./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1540f06d-406a-41de-b483-76a4cc7c3272/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1540f06d-406a-41de-b483-76a4cc7c3272/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1540f06d-406a-41de-b483-76a4cc7c3272/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1540f06d-406a-41de-b483-76a4cc7c3272/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1540f06d-406a-41de-b483-76a4cc7c3272/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1540f06d-406a-41de-b483-76a4cc7c3272/bin-2019/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 b4fbc36a28ccee76a98a185e0c5cc58738af3c30 ................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:41:06,073 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:41:06,074 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:41:06,081 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:41:06,081 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:41:06,082 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:41:06,083 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:41:06,084 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:41:06,085 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:41:06,085 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:41:06,086 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:41:06,086 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:41:06,087 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:41:06,088 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:41:06,088 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:41:06,089 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:41:06,090 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:41:06,091 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:41:06,092 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:41:06,093 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:41:06,094 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:41:06,095 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:41:06,096 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:41:06,096 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:41:06,096 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:41:06,097 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:41:06,098 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:41:06,098 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:41:06,099 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:41:06,100 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:41:06,100 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:41:06,100 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:41:06,101 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:41:06,101 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:41:06,101 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:41:06,102 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:41:06,102 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1540f06d-406a-41de-b483-76a4cc7c3272/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:41:06,109 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:41:06,110 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:41:06,110 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:41:06,110 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:41:06,111 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:41:06,111 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:41:06,111 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:41:06,111 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:41:06,112 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:41:06,112 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:41:06,112 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:41:06,112 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:41:06,112 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:41:06,112 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:41:06,113 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:41:06,113 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:41:06,113 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:41:06,113 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:41:06,113 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:41:06,113 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:41:06,114 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:41:06,114 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:41:06,114 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:41:06,114 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:41:06,114 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:41:06,114 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:41:06,114 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:41:06,115 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:41:06,115 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_1540f06d-406a-41de-b483-76a4cc7c3272/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 ! 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 -> b4fbc36a28ccee76a98a185e0c5cc58738af3c30 [2018-11-10 05:41:06,139 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:41:06,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:41:06,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:41:06,153 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:41:06,153 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:41:06,154 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1540f06d-406a-41de-b483-76a4cc7c3272/bin-2019/ukojak/../../sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call_true-termination.i [2018-11-10 05:41:06,199 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1540f06d-406a-41de-b483-76a4cc7c3272/bin-2019/ukojak/data/4fc2383a3/5731a90ba3144b87980694243c388803/FLAGb9aafd31f [2018-11-10 05:41:06,586 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:41:06,586 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1540f06d-406a-41de-b483-76a4cc7c3272/sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call_true-termination.i [2018-11-10 05:41:06,591 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1540f06d-406a-41de-b483-76a4cc7c3272/bin-2019/ukojak/data/4fc2383a3/5731a90ba3144b87980694243c388803/FLAGb9aafd31f [2018-11-10 05:41:06,600 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1540f06d-406a-41de-b483-76a4cc7c3272/bin-2019/ukojak/data/4fc2383a3/5731a90ba3144b87980694243c388803 [2018-11-10 05:41:06,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:41:06,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:41:06,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:41:06,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:41:06,606 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:41:06,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:41:06" (1/1) ... [2018-11-10 05:41:06,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:06, skipping insertion in model container [2018-11-10 05:41:06,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:41:06" (1/1) ... [2018-11-10 05:41:06,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:41:06,628 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:41:06,723 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:41:06,725 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:41:06,735 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:41:06,746 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:41:06,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:06 WrapperNode [2018-11-10 05:41:06,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:41:06,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:41:06,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:41:06,747 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:41:06,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:06" (1/1) ... [2018-11-10 05:41:06,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:06" (1/1) ... [2018-11-10 05:41:06,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:41:06,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:41:06,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:41:06,777 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:41:06,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:06" (1/1) ... [2018-11-10 05:41:06,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:06" (1/1) ... [2018-11-10 05:41:06,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:06" (1/1) ... [2018-11-10 05:41:06,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:06" (1/1) ... [2018-11-10 05:41:06,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:06" (1/1) ... [2018-11-10 05:41:06,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:06" (1/1) ... [2018-11-10 05:41:06,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:06" (1/1) ... [2018-11-10 05:41:06,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:41:06,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:41:06,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:41:06,795 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:41:06,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:41:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1540f06d-406a-41de-b483-76a4cc7c3272/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 [2018-11-10 05:41:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:41:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:41:06,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 05:41:07,053 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:41:07,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:41:07 BoogieIcfgContainer [2018-11-10 05:41:07,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:41:07,054 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:41:07,054 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:41:07,064 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:41:07,065 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:41:07" (1/1) ... [2018-11-10 05:41:07,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:41:07,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:41:07,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2018-11-10 05:41:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2018-11-10 05:41:07,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:41:07,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:41:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:41:07,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:41:07,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:41:07,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-10 05:41:07,204 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-10 05:41:07,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 05:41:07,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:41:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:41:07,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:41:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:41:07,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-11-10 05:41:07,341 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-11-10 05:41:07,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 05:41:07,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:41:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:41:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:41:07,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:41:07,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2018-11-10 05:41:07,937 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2018-11-10 05:41:07,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:41:07,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:41:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:41:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:41:08,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:41:08,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2018-11-10 05:41:08,882 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2018-11-10 05:41:08,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 05:41:08,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:41:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:41:09,091 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:41:09,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:41:09,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-10 05:41:09,445 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-10 05:41:09,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:41:09,445 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-11-10 05:41:09,451 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:41:09,524 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:41:09,526 INFO L582 CodeCheckObserver]: Invariant with dag size 34 [2018-11-10 05:41:09,529 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 05:41:09,529 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 05:41:09,529 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 05:41:09,533 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 05:41:09,533 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 05:41:09,534 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 05:41:09,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:41:09 ImpRootNode [2018-11-10 05:41:09,534 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:41:09,535 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:41:09,535 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:41:09,535 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:41:09,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:41:07" (3/4) ... [2018-11-10 05:41:09,537 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:41:09,544 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 05:41:09,544 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-10 05:41:09,544 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 05:41:09,544 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 05:41:09,574 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1540f06d-406a-41de-b483-76a4cc7c3272/bin-2019/ukojak/witness.graphml [2018-11-10 05:41:09,574 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:41:09,575 INFO L168 Benchmark]: Toolchain (without parser) took 2972.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.0 MB). Free memory was 960.3 MB in the beginning and 1.0 GB in the end (delta: -55.1 MB). Peak memory consumption was 161.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:41:09,576 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:41:09,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 143.14 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:41:09,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.97 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:41:09,576 INFO L168 Benchmark]: Boogie Preprocessor took 17.62 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:41:09,577 INFO L168 Benchmark]: RCFGBuilder took 259.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -190.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:41:09,577 INFO L168 Benchmark]: CodeCheck took 2480.39 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 121.4 MB). Peak memory consumption was 180.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:41:09,578 INFO L168 Benchmark]: Witness Printer took 39.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:41:09,580 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, 17 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 208 SDtfs, 100 SDslu, 64 SDs, 0 SdLazy, 690 SolverSat, 210 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 415 GetRequests, 337 SyntacticMatches, 10 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1736 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 4903 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/20 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: 3]: 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: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant [2018-11-10 05:41:09,581 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 05:41:09,582 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 05:41:09,582 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 05:41:09,583 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 05:41:09,583 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 05:41:09,583 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((a == 0 && (marker == unknown-#memory_int-unknown[a][a + 4 * i] || marker == unknown-#memory_int-unknown[a][-(-a + -4 * pos)])) && 4 * i <= a + 4 * pos + 3) && 1 <= a + 4 * pos) || (((a == 0 && 0 <= pos) && i == 0) && marker == unknown-#memory_int-unknown[a][-(-a + -4 * pos)]) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 143.14 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 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 29.97 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.62 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 259.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -190.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * CodeCheck took 2480.39 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 121.4 MB). Peak memory consumption was 180.6 MB. Max. memory is 11.5 GB. * Witness Printer took 39.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. 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 - 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 - 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...