./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/while_infinite_loop_2_true-unreach-call_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ccbc8227-dfb4-4baa-b03c-9e0d23ae8586/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ccbc8227-dfb4-4baa-b03c-9e0d23ae8586/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ccbc8227-dfb4-4baa-b03c-9e0d23ae8586/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ccbc8227-dfb4-4baa-b03c-9e0d23ae8586/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/while_infinite_loop_2_true-unreach-call_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ccbc8227-dfb4-4baa-b03c-9e0d23ae8586/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ccbc8227-dfb4-4baa-b03c-9e0d23ae8586/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 38eaba8d64f477684f2f9d73b6277bf5294da706 .................................................................................................................................................................................................................... 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 11:52:34,597 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:52:34,598 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:52:34,606 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:52:34,606 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:52:34,607 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:52:34,608 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:52:34,610 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:52:34,611 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:52:34,612 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:52:34,613 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:52:34,613 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:52:34,614 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:52:34,614 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:52:34,615 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:52:34,616 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:52:34,616 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:52:34,618 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:52:34,619 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:52:34,620 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:52:34,621 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:52:34,622 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:52:34,623 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:52:34,624 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:52:34,624 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:52:34,624 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:52:34,625 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:52:34,626 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:52:34,626 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:52:34,627 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:52:34,627 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:52:34,628 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:52:34,628 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:52:34,628 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:52:34,629 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:52:34,630 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:52:34,630 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ccbc8227-dfb4-4baa-b03c-9e0d23ae8586/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:52:34,639 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:52:34,639 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:52:34,640 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:52:34,640 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:52:34,640 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:52:34,641 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:52:34,641 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:52:34,641 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:52:34,641 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:52:34,641 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:52:34,641 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:52:34,642 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:52:34,642 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:52:34,642 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:52:34,642 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:52:34,642 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:52:34,642 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:52:34,642 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:52:34,643 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:52:34,643 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:52:34,643 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:52:34,643 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:52:34,643 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:52:34,643 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:52:34,644 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:52:34,644 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:52:34,644 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:52:34,644 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:52:34,644 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:52:34,644 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_ccbc8227-dfb4-4baa-b03c-9e0d23ae8586/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 -> 38eaba8d64f477684f2f9d73b6277bf5294da706 [2018-11-18 11:52:34,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:52:34,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:52:34,691 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:52:34,693 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:52:34,693 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:52:34,694 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ccbc8227-dfb4-4baa-b03c-9e0d23ae8586/bin-2019/ukojak/../../sv-benchmarks/c/loops/while_infinite_loop_2_true-unreach-call_false-termination.i [2018-11-18 11:52:34,750 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ccbc8227-dfb4-4baa-b03c-9e0d23ae8586/bin-2019/ukojak/data/3e664b93a/390af2fc09f54e98ac54204e46c2f0ff/FLAG235e9db4e [2018-11-18 11:52:35,106 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:52:35,107 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ccbc8227-dfb4-4baa-b03c-9e0d23ae8586/sv-benchmarks/c/loops/while_infinite_loop_2_true-unreach-call_false-termination.i [2018-11-18 11:52:35,111 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ccbc8227-dfb4-4baa-b03c-9e0d23ae8586/bin-2019/ukojak/data/3e664b93a/390af2fc09f54e98ac54204e46c2f0ff/FLAG235e9db4e [2018-11-18 11:52:35,125 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ccbc8227-dfb4-4baa-b03c-9e0d23ae8586/bin-2019/ukojak/data/3e664b93a/390af2fc09f54e98ac54204e46c2f0ff [2018-11-18 11:52:35,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:52:35,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:52:35,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:52:35,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:52:35,132 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:52:35,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:52:35" (1/1) ... [2018-11-18 11:52:35,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfef79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:52:35, skipping insertion in model container [2018-11-18 11:52:35,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:52:35" (1/1) ... [2018-11-18 11:52:35,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:52:35,158 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:52:35,290 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:52:35,293 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:52:35,304 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:52:35,314 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:52:35,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:52:35 WrapperNode [2018-11-18 11:52:35,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:52:35,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:52:35,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:52:35,315 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:52:35,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:52:35" (1/1) ... [2018-11-18 11:52:35,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:52:35" (1/1) ... [2018-11-18 11:52:35,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:52:35,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:52:35,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:52:35,340 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:52:35,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:52:35" (1/1) ... [2018-11-18 11:52:35,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:52:35" (1/1) ... [2018-11-18 11:52:35,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:52:35" (1/1) ... [2018-11-18 11:52:35,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:52:35" (1/1) ... [2018-11-18 11:52:35,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:52:35" (1/1) ... [2018-11-18 11:52:35,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:52:35" (1/1) ... [2018-11-18 11:52:35,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:52:35" (1/1) ... [2018-11-18 11:52:35,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:52:35,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:52:35,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:52:35,354 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:52:35,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:52:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ccbc8227-dfb4-4baa-b03c-9e0d23ae8586/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 11:52:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:52:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:52:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 11:52:35,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 11:52:35,552 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:52:35,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:52:35 BoogieIcfgContainer [2018-11-18 11:52:35,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:52:35,553 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:52:35,553 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:52:35,560 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:52:35,560 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:52:35" (1/1) ... [2018-11-18 11:52:35,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:52:35,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:52:35,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-11-18 11:52:35,591 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-11-18 11:52:35,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 11:52:35,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:52:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:52:35,655 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 11:52:35,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:52:35,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 10 transitions. [2018-11-18 11:52:35,663 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-11-18 11:52:35,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:52:35,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:52:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:52:35,734 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 11:52:35,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:52:35,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 8 states and 8 transitions. [2018-11-18 11:52:35,813 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-11-18 11:52:35,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:52:35,813 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-11-18 11:52:35,820 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:52:35,831 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:52:35,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:52:35 ImpRootNode [2018-11-18 11:52:35,835 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:52:35,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:52:35,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:52:35,835 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:52:35,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:52:35" (3/4) ... [2018-11-18 11:52:35,840 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:52:35,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-18 11:52:35,851 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 11:52:35,852 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:52:35,852 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:52:35,891 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ccbc8227-dfb4-4baa-b03c-9e0d23ae8586/bin-2019/ukojak/witness.graphml [2018-11-18 11:52:35,891 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:52:35,892 INFO L168 Benchmark]: Toolchain (without parser) took 764.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:52:35,893 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-18 11:52:35,893 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.86 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:52:35,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.26 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. [2018-11-18 11:52:35,894 INFO L168 Benchmark]: Boogie Preprocessor took 13.84 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. [2018-11-18 11:52:35,895 INFO L168 Benchmark]: RCFGBuilder took 198.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:52:35,895 INFO L168 Benchmark]: CodeCheck took 282.06 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: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:52:35,896 INFO L168 Benchmark]: Witness Printer took 56.22 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 11:52:35,898 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 2 procedures, 15 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 32 SDtfs, 8 SDslu, 12 SDs, 0 SdLazy, 28 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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: 5]: 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: 12]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 185.86 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.26 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 13.84 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 198.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 282.06 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: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Witness Printer took 56.22 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. RESULT: Ultimate proved your program to be correct! Received shutdown request...