./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f6d4baf3-8402-4289-b25d-2ed2439bd936/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f6d4baf3-8402-4289-b25d-2ed2439bd936/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f6d4baf3-8402-4289-b25d-2ed2439bd936/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f6d4baf3-8402-4289-b25d-2ed2439bd936/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f6d4baf3-8402-4289-b25d-2ed2439bd936/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f6d4baf3-8402-4289-b25d-2ed2439bd936/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 1b149b3cef099476d14a8b122afb66552d0406eb ................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 18:29:10,679 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:29:10,680 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:29:10,686 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:29:10,687 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:29:10,687 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:29:10,688 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:29:10,689 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:29:10,689 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:29:10,690 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:29:10,690 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:29:10,690 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:29:10,691 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:29:10,691 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:29:10,692 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:29:10,692 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:29:10,693 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:29:10,693 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:29:10,694 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:29:10,695 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:29:10,696 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:29:10,696 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:29:10,697 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:29:10,697 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:29:10,697 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:29:10,698 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:29:10,698 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:29:10,699 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:29:10,699 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:29:10,700 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:29:10,700 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:29:10,700 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:29:10,700 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:29:10,700 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:29:10,701 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:29:10,701 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:29:10,701 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f6d4baf3-8402-4289-b25d-2ed2439bd936/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 18:29:10,708 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:29:10,708 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:29:10,709 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:29:10,709 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 18:29:10,709 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:29:10,709 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:29:10,709 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:29:10,709 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:29:10,709 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:29:10,710 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:29:10,710 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:29:10,710 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:29:10,710 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:29:10,710 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:29:10,710 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:29:10,710 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:29:10,710 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:29:10,710 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:29:10,710 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 18:29:10,710 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 18:29:10,710 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:29:10,711 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:29:10,711 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:29:10,711 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:29:10,711 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:29:10,711 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:29:10,711 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 18:29:10,711 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:29:10,711 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 18:29:10,711 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_f6d4baf3-8402-4289-b25d-2ed2439bd936/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 -> 1b149b3cef099476d14a8b122afb66552d0406eb [2018-12-01 18:29:10,729 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:29:10,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:29:10,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:29:10,740 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:29:10,741 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:29:10,741 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f6d4baf3-8402-4289-b25d-2ed2439bd936/bin-2019/ukojak/../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i [2018-12-01 18:29:10,784 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6d4baf3-8402-4289-b25d-2ed2439bd936/bin-2019/ukojak/data/69623b164/eca142b0cba344ab8fe1ced3c91c7438/FLAGb88e5f905 [2018-12-01 18:29:11,171 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:29:11,172 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f6d4baf3-8402-4289-b25d-2ed2439bd936/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i [2018-12-01 18:29:11,175 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6d4baf3-8402-4289-b25d-2ed2439bd936/bin-2019/ukojak/data/69623b164/eca142b0cba344ab8fe1ced3c91c7438/FLAGb88e5f905 [2018-12-01 18:29:11,186 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f6d4baf3-8402-4289-b25d-2ed2439bd936/bin-2019/ukojak/data/69623b164/eca142b0cba344ab8fe1ced3c91c7438 [2018-12-01 18:29:11,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:29:11,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:29:11,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:29:11,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:29:11,191 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:29:11,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:29:11" (1/1) ... [2018-12-01 18:29:11,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42aa496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:11, skipping insertion in model container [2018-12-01 18:29:11,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:29:11" (1/1) ... [2018-12-01 18:29:11,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:29:11,206 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:29:11,294 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:29:11,296 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:29:11,304 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:29:11,312 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:29:11,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:11 WrapperNode [2018-12-01 18:29:11,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:29:11,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:29:11,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:29:11,313 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:29:11,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:11" (1/1) ... [2018-12-01 18:29:11,321 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:11" (1/1) ... [2018-12-01 18:29:11,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:29:11,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:29:11,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:29:11,334 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:29:11,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:11" (1/1) ... [2018-12-01 18:29:11,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:11" (1/1) ... [2018-12-01 18:29:11,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:11" (1/1) ... [2018-12-01 18:29:11,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:11" (1/1) ... [2018-12-01 18:29:11,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:11" (1/1) ... [2018-12-01 18:29:11,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:11" (1/1) ... [2018-12-01 18:29:11,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:11" (1/1) ... [2018-12-01 18:29:11,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:29:11,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:29:11,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:29:11,375 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:29:11,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6d4baf3-8402-4289-b25d-2ed2439bd936/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:29:11,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:29:11,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:29:11,515 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:29:11,516 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 18:29:11,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:29:11 BoogieIcfgContainer [2018-12-01 18:29:11,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:29:11,516 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 18:29:11,516 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 18:29:11,523 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 18:29:11,524 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:29:11" (1/1) ... [2018-12-01 18:29:11,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:29:11,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:29:11,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-01 18:29:11,552 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-01 18:29:11,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-01 18:29:11,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:29:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:29:11,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:29:11,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:29:11,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2018-12-01 18:29:11,682 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2018-12-01 18:29:11,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 18:29:11,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:29:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:29:11,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:29:11,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:29:11,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2018-12-01 18:29:11,922 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2018-12-01 18:29:11,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 18:29:11,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:29:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:29:11,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:29:12,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:29:12,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2018-12-01 18:29:12,066 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2018-12-01 18:29:12,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 18:29:12,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:29:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:29:12,111 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:29:12,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:29:12,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2018-12-01 18:29:12,274 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2018-12-01 18:29:12,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 18:29:12,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:29:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:29:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:29:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:29:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:29:12,316 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2018-12-01 18:29:12,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:29:12 ImpRootNode [2018-12-01 18:29:12,334 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 18:29:12,334 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:29:12,334 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:29:12,334 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:29:12,335 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:29:11" (3/4) ... [2018-12-01 18:29:12,336 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 18:29:12,365 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f6d4baf3-8402-4289-b25d-2ed2439bd936/bin-2019/ukojak/witness.graphml [2018-12-01 18:29:12,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:29:12,366 INFO L168 Benchmark]: Toolchain (without parser) took 1178.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 954.4 MB in the beginning and 950.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 125.5 MB. Max. memory is 11.5 GB. [2018-12-01 18:29:12,367 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:29:12,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 124.19 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-01 18:29:12,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.91 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:29:12,368 INFO L168 Benchmark]: Boogie Preprocessor took 40.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-01 18:29:12,369 INFO L168 Benchmark]: RCFGBuilder took 141.55 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: 25.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-01 18:29:12,370 INFO L168 Benchmark]: CodeCheck took 817.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 950.0 MB in the end (delta: 150.9 MB). Peak memory consumption was 150.9 MB. Max. memory is 11.5 GB. [2018-12-01 18:29:12,370 INFO L168 Benchmark]: Witness Printer took 31.60 ms. Allocated memory is still 1.2 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:29:12,373 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. UNSAFE Result, 0.7s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 296 SolverSat, 116 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 210 GetRequests, 174 SyntacticMatches, 8 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 972 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/10 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 - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] int i, n=__VERIFIER_nondet_uint(), sn=0; [L12] int i, n=__VERIFIER_nondet_uint(), sn=0; [L13] i=1 [L13] COND TRUE i<=n [L14] sn = sn + (2) [L15] COND FALSE !(i==4) [L13] i++ [L13] COND TRUE i<=n [L14] sn = sn + (2) [L15] COND FALSE !(i==4) [L13] i++ [L13] COND TRUE i<=n [L14] sn = sn + (2) [L15] COND FALSE !(i==4) [L13] i++ [L13] COND TRUE i<=n [L14] sn = sn + (2) [L15] COND TRUE i==4 [L15] sn=-10 [L13] i++ [L13] COND FALSE !(i<=n) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 124.19 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.6 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 19.91 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 141.55 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: 25.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * CodeCheck took 817.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 950.0 MB in the end (delta: 150.9 MB). Peak memory consumption was 150.9 MB. Max. memory is 11.5 GB. * Witness Printer took 31.60 ms. Allocated memory is still 1.2 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...