./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dec82937-4152-4c18-ae37-c2f8ccf6ff10/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dec82937-4152-4c18-ae37-c2f8ccf6ff10/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dec82937-4152-4c18-ae37-c2f8ccf6ff10/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dec82937-4152-4c18-ae37-c2f8ccf6ff10/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_dec82937-4152-4c18-ae37-c2f8ccf6ff10/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dec82937-4152-4c18-ae37-c2f8ccf6ff10/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 0.1.23-5842f4b [2018-11-18 15:07:49,582 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:07:49,583 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:07:49,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:07:49,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:07:49,593 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:07:49,594 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:07:49,595 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:07:49,596 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:07:49,597 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:07:49,598 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:07:49,598 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:07:49,598 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:07:49,599 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:07:49,600 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:07:49,601 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:07:49,601 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:07:49,603 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:07:49,604 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:07:49,605 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:07:49,606 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:07:49,607 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:07:49,608 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:07:49,608 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:07:49,609 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:07:49,609 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:07:49,610 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:07:49,611 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:07:49,611 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:07:49,612 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:07:49,612 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:07:49,613 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:07:49,613 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:07:49,613 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:07:49,614 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:07:49,614 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:07:49,614 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dec82937-4152-4c18-ae37-c2f8ccf6ff10/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:07:49,622 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:07:49,622 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:07:49,623 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:07:49,623 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:07:49,624 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:07:49,624 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:07:49,624 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:07:49,624 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:07:49,624 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:07:49,625 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:07:49,625 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:07:49,625 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:07:49,625 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:07:49,625 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:07:49,625 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:07:49,625 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:07:49,626 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:07:49,626 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:07:49,626 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:07:49,626 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:07:49,626 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:07:49,626 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:07:49,627 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:07:49,627 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:07:49,627 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:07:49,627 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:07:49,627 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:07:49,627 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:07:49,627 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:07:49,628 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_dec82937-4152-4c18-ae37-c2f8ccf6ff10/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 [2018-11-18 15:07:49,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:07:49,657 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:07:49,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:07:49,660 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:07:49,660 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:07:49,661 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dec82937-4152-4c18-ae37-c2f8ccf6ff10/bin-2019/ukojak/../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i [2018-11-18 15:07:49,695 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dec82937-4152-4c18-ae37-c2f8ccf6ff10/bin-2019/ukojak/data/fd3209496/20a9d8f206b54851bdefec1df49c5800/FLAG44187fc92 [2018-11-18 15:07:49,998 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:07:49,999 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dec82937-4152-4c18-ae37-c2f8ccf6ff10/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i [2018-11-18 15:07:50,002 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dec82937-4152-4c18-ae37-c2f8ccf6ff10/bin-2019/ukojak/data/fd3209496/20a9d8f206b54851bdefec1df49c5800/FLAG44187fc92 [2018-11-18 15:07:50,010 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dec82937-4152-4c18-ae37-c2f8ccf6ff10/bin-2019/ukojak/data/fd3209496/20a9d8f206b54851bdefec1df49c5800 [2018-11-18 15:07:50,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:07:50,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:07:50,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:07:50,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:07:50,016 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:07:50,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:07:50" (1/1) ... [2018-11-18 15:07:50,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4546e68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:50, skipping insertion in model container [2018-11-18 15:07:50,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:07:50" (1/1) ... [2018-11-18 15:07:50,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:07:50,036 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:07:50,135 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:07:50,138 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:07:50,146 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:07:50,154 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:07:50,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:50 WrapperNode [2018-11-18 15:07:50,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:07:50,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:07:50,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:07:50,155 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:07:50,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:50" (1/1) ... [2018-11-18 15:07:50,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:50" (1/1) ... [2018-11-18 15:07:50,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:07:50,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:07:50,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:07:50,180 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:07:50,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:50" (1/1) ... [2018-11-18 15:07:50,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:50" (1/1) ... [2018-11-18 15:07:50,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:50" (1/1) ... [2018-11-18 15:07:50,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:50" (1/1) ... [2018-11-18 15:07:50,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:50" (1/1) ... [2018-11-18 15:07:50,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:50" (1/1) ... [2018-11-18 15:07:50,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:50" (1/1) ... [2018-11-18 15:07:50,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:07:50,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:07:50,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:07:50,194 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:07:50,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dec82937-4152-4c18-ae37-c2f8ccf6ff10/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:07:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:07:50,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:07:50,428 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:07:50,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:07:50 BoogieIcfgContainer [2018-11-18 15:07:50,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:07:50,428 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:07:50,428 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:07:50,438 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:07:50,439 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:07:50" (1/1) ... [2018-11-18 15:07:50,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:07:50,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:07:50,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-18 15:07:50,483 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-18 15:07:50,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 15:07:50,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:07:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:07:50,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:07:50,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:07:50,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-18 15:07:50,580 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-18 15:07:50,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 15:07:50,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:07:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:07:50,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:07:50,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:07:50,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-11-18 15:07:50,693 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-11-18 15:07:50,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 15:07:50,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:07:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:07:50,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:07:51,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:07:51,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2018-11-18 15:07:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2018-11-18 15:07:51,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 15:07:51,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:07:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:07:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:07:51,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:07:51,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-11-18 15:07:51,487 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-11-18 15:07:51,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 15:07:51,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:07:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:07:51,578 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:07:51,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:07:51,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-11-18 15:07:51,802 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-11-18 15:07:51,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 15:07:51,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:07:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:07:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:07:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:07:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:07:51,871 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2018-11-18 15:07:51,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:07:51 ImpRootNode [2018-11-18 15:07:51,889 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:07:51,890 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:07:51,890 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:07:51,890 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:07:51,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:07:50" (3/4) ... [2018-11-18 15:07:51,893 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 15:07:51,935 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dec82937-4152-4c18-ae37-c2f8ccf6ff10/bin-2019/ukojak/witness.graphml [2018-11-18 15:07:51,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:07:51,936 INFO L168 Benchmark]: Toolchain (without parser) took 1923.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 959.2 MB in the beginning and 950.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 175.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:07:51,938 INFO L168 Benchmark]: CDTParser took 0.11 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 15:07:51,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 140.89 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:07:51,939 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.27 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:07:51,940 INFO L168 Benchmark]: Boogie Preprocessor took 13.69 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:07:51,941 INFO L168 Benchmark]: RCFGBuilder took 234.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:07:51,942 INFO L168 Benchmark]: CodeCheck took 1460.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.5 MB in the end (delta: 189.7 MB). Peak memory consumption was 189.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:07:51,942 INFO L168 Benchmark]: Witness Printer took 46.15 ms. Allocated memory is still 1.2 GB. Free memory was 953.5 MB in the beginning and 950.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:07:51,947 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, 14 locations, 1 error locations. UNSAFE Result, 1.4s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 192 SDtfs, 116 SDslu, 152 SDs, 0 SdLazy, 482 SolverSat, 154 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 348 GetRequests, 302 SyntacticMatches, 12 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 4086 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 - 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) [L17] CALL __VERIFIER_assert(sn==n*(2) || sn == 0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 140.89 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.27 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.69 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 234.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 1460.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.5 MB in the end (delta: 189.7 MB). Peak memory consumption was 189.7 MB. Max. memory is 11.5 GB. * Witness Printer took 46.15 ms. Allocated memory is still 1.2 GB. Free memory was 953.5 MB in the beginning and 950.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...