./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-crafted/simple_vardep_true-unreach-call1_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_8b7c698a-51be-4798-a4ae-9386517ffdff/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8b7c698a-51be-4798-a4ae-9386517ffdff/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8b7c698a-51be-4798-a4ae-9386517ffdff/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8b7c698a-51be-4798-a4ae-9386517ffdff/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_vardep_true-unreach-call1_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8b7c698a-51be-4798-a4ae-9386517ffdff/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8b7c698a-51be-4798-a4ae-9386517ffdff/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 d356794daaebbc8857a6179eb0cd84a007ea8747 ........................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:36:47,411 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:36:47,412 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:36:47,421 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:36:47,421 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:36:47,422 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:36:47,424 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:36:47,425 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:36:47,426 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:36:47,427 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:36:47,428 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:36:47,428 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:36:47,429 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:36:47,429 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:36:47,430 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:36:47,431 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:36:47,432 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:36:47,433 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:36:47,445 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:36:47,446 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:36:47,447 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:36:47,448 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:36:47,453 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:36:47,454 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:36:47,454 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:36:47,455 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:36:47,455 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:36:47,456 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:36:47,456 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:36:47,457 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:36:47,457 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:36:47,458 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:36:47,458 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:36:47,458 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:36:47,462 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:36:47,463 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:36:47,464 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8b7c698a-51be-4798-a4ae-9386517ffdff/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:36:47,478 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:36:47,479 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:36:47,480 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:36:47,481 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:36:47,481 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:36:47,482 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:36:47,482 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:36:47,483 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:36:47,483 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:36:47,483 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:36:47,483 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:36:47,483 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:36:47,483 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:36:47,483 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:36:47,483 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:36:47,484 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:36:47,484 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:36:47,484 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:36:47,484 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:36:47,484 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:36:47,484 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:36:47,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:36:47,485 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:36:47,485 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:36:47,485 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:36:47,485 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:36:47,485 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:36:47,485 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:36:47,485 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_8b7c698a-51be-4798-a4ae-9386517ffdff/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 -> d356794daaebbc8857a6179eb0cd84a007ea8747 [2018-10-26 23:36:47,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:36:47,533 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:36:47,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:36:47,537 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:36:47,537 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:36:47,537 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8b7c698a-51be-4798-a4ae-9386517ffdff/bin-2019/ukojak/../../sv-benchmarks/c/loop-crafted/simple_vardep_true-unreach-call1_true-termination.i [2018-10-26 23:36:47,580 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b7c698a-51be-4798-a4ae-9386517ffdff/bin-2019/ukojak/data/ff41e24ce/9fbe9a80cf854e38a6ffc38b9f60b35b/FLAG24cfd2c66 [2018-10-26 23:36:47,945 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:36:47,946 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8b7c698a-51be-4798-a4ae-9386517ffdff/sv-benchmarks/c/loop-crafted/simple_vardep_true-unreach-call1_true-termination.i [2018-10-26 23:36:47,950 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b7c698a-51be-4798-a4ae-9386517ffdff/bin-2019/ukojak/data/ff41e24ce/9fbe9a80cf854e38a6ffc38b9f60b35b/FLAG24cfd2c66 [2018-10-26 23:36:47,961 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8b7c698a-51be-4798-a4ae-9386517ffdff/bin-2019/ukojak/data/ff41e24ce/9fbe9a80cf854e38a6ffc38b9f60b35b [2018-10-26 23:36:47,963 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:36:47,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:36:47,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:36:47,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:36:47,968 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:36:47,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:36:47" (1/1) ... [2018-10-26 23:36:47,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3637f5d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:36:47, skipping insertion in model container [2018-10-26 23:36:47,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:36:47" (1/1) ... [2018-10-26 23:36:47,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:36:47,996 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:36:48,109 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:36:48,112 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:36:48,122 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:36:48,132 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:36:48,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:36:48 WrapperNode [2018-10-26 23:36:48,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:36:48,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:36:48,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:36:48,134 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:36:48,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:36:48" (1/1) ... [2018-10-26 23:36:48,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:36:48" (1/1) ... [2018-10-26 23:36:48,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:36:48,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:36:48,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:36:48,161 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:36:48,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:36:48" (1/1) ... [2018-10-26 23:36:48,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:36:48" (1/1) ... [2018-10-26 23:36:48,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:36:48" (1/1) ... [2018-10-26 23:36:48,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:36:48" (1/1) ... [2018-10-26 23:36:48,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:36:48" (1/1) ... [2018-10-26 23:36:48,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:36:48" (1/1) ... [2018-10-26 23:36:48,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:36:48" (1/1) ... [2018-10-26 23:36:48,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:36:48,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:36:48,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:36:48,176 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:36:48,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:36:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b7c698a-51be-4798-a4ae-9386517ffdff/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 [2018-10-26 23:36:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:36:48,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:36:48,573 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:36:48,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:36:48 BoogieIcfgContainer [2018-10-26 23:36:48,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:36:48,574 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:36:48,574 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:36:48,584 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:36:48,584 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:36:48" (1/1) ... [2018-10-26 23:36:48,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:36:48,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:36:48,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-10-26 23:36:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-10-26 23:36:48,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-26 23:36:48,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:36:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:36:48,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:36:50,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:36:50,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-10-26 23:36:50,872 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-10-26 23:36:50,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 23:36:50,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:36:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:36:51,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:36:51,392 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2018-10-26 23:36:51,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:36:51,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-26 23:36:51,693 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-26 23:36:51,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:36:51,693 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-10-26 23:36:51,700 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 23:36:51,736 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-26 23:36:51,743 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-26 23:36:51,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:36:51 ImpRootNode [2018-10-26 23:36:51,744 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:36:51,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:36:51,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:36:51,745 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:36:51,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:36:48" (3/4) ... [2018-10-26 23:36:51,750 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:36:51,758 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 23:36:51,758 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 23:36:51,759 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 23:36:51,796 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8b7c698a-51be-4798-a4ae-9386517ffdff/bin-2019/ukojak/witness.graphml [2018-10-26 23:36:51,797 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:36:51,797 INFO L168 Benchmark]: Toolchain (without parser) took 3833.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -128.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-10-26 23:36:51,798 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:36:51,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.94 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:36:51,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.78 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:36:51,799 INFO L168 Benchmark]: Boogie Preprocessor took 15.03 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:36:51,800 INFO L168 Benchmark]: RCFGBuilder took 398.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -196.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-10-26 23:36:51,800 INFO L168 Benchmark]: CodeCheck took 3170.29 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: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:36:51,801 INFO L168 Benchmark]: Witness Printer took 52.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:36:51,803 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, 11 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 12 SDslu, 12 SDs, 0 SdLazy, 46 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 91 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 728 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2/3 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: 10]: 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: 7]: Loop Invariant Derived loop invariant: k <= i + j && i + j <= k - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: k <= i + j && i + j <= k * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 167.94 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.78 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.03 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 398.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -196.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * CodeCheck took 3170.29 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: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. * Witness Printer took 52.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...