./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/sum01_bug02_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_97b484c1-72ce-44e0-bb71-1a7c86c804f5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_97b484c1-72ce-44e0-bb71-1a7c86c804f5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_97b484c1-72ce-44e0-bb71-1a7c86c804f5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_97b484c1-72ce-44e0-bb71-1a7c86c804f5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum01_bug02_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_97b484c1-72ce-44e0-bb71-1a7c86c804f5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_97b484c1-72ce-44e0-bb71-1a7c86c804f5/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 c5465a084053aead702161d951dd339bfa1665d5 ............................................................................................................................................................................................................................................................................................................ 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 0.1.23-1dbac8b [2018-11-10 01:46:13,603 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 01:46:13,604 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 01:46:13,610 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 01:46:13,610 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 01:46:13,611 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 01:46:13,612 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 01:46:13,613 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 01:46:13,614 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 01:46:13,615 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 01:46:13,615 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 01:46:13,615 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 01:46:13,616 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 01:46:13,617 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 01:46:13,617 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 01:46:13,618 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 01:46:13,618 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 01:46:13,619 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 01:46:13,620 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 01:46:13,621 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 01:46:13,622 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 01:46:13,622 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 01:46:13,624 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 01:46:13,624 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 01:46:13,624 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 01:46:13,625 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 01:46:13,625 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 01:46:13,626 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 01:46:13,626 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 01:46:13,627 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 01:46:13,627 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 01:46:13,628 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 01:46:13,628 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 01:46:13,628 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 01:46:13,629 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 01:46:13,629 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 01:46:13,629 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_97b484c1-72ce-44e0-bb71-1a7c86c804f5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 01:46:13,637 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 01:46:13,637 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 01:46:13,638 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 01:46:13,638 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 01:46:13,638 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 01:46:13,639 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 01:46:13,639 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 01:46:13,639 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 01:46:13,639 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 01:46:13,639 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 01:46:13,639 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 01:46:13,639 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 01:46:13,639 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 01:46:13,640 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 01:46:13,640 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 01:46:13,640 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 01:46:13,640 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 01:46:13,640 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 01:46:13,640 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 01:46:13,640 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 01:46:13,641 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 01:46:13,641 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:46:13,641 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 01:46:13,641 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 01:46:13,641 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 01:46:13,641 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 01:46:13,641 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 01:46:13,642 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 01:46:13,642 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_97b484c1-72ce-44e0-bb71-1a7c86c804f5/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 -> c5465a084053aead702161d951dd339bfa1665d5 [2018-11-10 01:46:13,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 01:46:13,674 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 01:46:13,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 01:46:13,677 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 01:46:13,677 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 01:46:13,678 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_97b484c1-72ce-44e0-bb71-1a7c86c804f5/bin-2019/ukojak/../../sv-benchmarks/c/loops/sum01_bug02_false-unreach-call_true-termination.i [2018-11-10 01:46:13,716 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97b484c1-72ce-44e0-bb71-1a7c86c804f5/bin-2019/ukojak/data/0884cc898/fd29a79c44074ce4b4a132314413a966/FLAG12e674a8d [2018-11-10 01:46:14,048 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 01:46:14,049 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_97b484c1-72ce-44e0-bb71-1a7c86c804f5/sv-benchmarks/c/loops/sum01_bug02_false-unreach-call_true-termination.i [2018-11-10 01:46:14,054 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97b484c1-72ce-44e0-bb71-1a7c86c804f5/bin-2019/ukojak/data/0884cc898/fd29a79c44074ce4b4a132314413a966/FLAG12e674a8d [2018-11-10 01:46:14,063 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_97b484c1-72ce-44e0-bb71-1a7c86c804f5/bin-2019/ukojak/data/0884cc898/fd29a79c44074ce4b4a132314413a966 [2018-11-10 01:46:14,066 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 01:46:14,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 01:46:14,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 01:46:14,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 01:46:14,070 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 01:46:14,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:46:14" (1/1) ... [2018-11-10 01:46:14,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f638c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:14, skipping insertion in model container [2018-11-10 01:46:14,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:46:14" (1/1) ... [2018-11-10 01:46:14,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 01:46:14,091 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 01:46:14,188 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:46:14,190 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 01:46:14,200 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:46:14,208 INFO L193 MainTranslator]: Completed translation [2018-11-10 01:46:14,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:14 WrapperNode [2018-11-10 01:46:14,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 01:46:14,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 01:46:14,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 01:46:14,210 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 01:46:14,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:14" (1/1) ... [2018-11-10 01:46:14,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:14" (1/1) ... [2018-11-10 01:46:14,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 01:46:14,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 01:46:14,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 01:46:14,227 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 01:46:14,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:14" (1/1) ... [2018-11-10 01:46:14,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:14" (1/1) ... [2018-11-10 01:46:14,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:14" (1/1) ... [2018-11-10 01:46:14,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:14" (1/1) ... [2018-11-10 01:46:14,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:14" (1/1) ... [2018-11-10 01:46:14,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:14" (1/1) ... [2018-11-10 01:46:14,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:14" (1/1) ... [2018-11-10 01:46:14,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 01:46:14,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 01:46:14,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 01:46:14,237 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 01:46:14,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:46:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97b484c1-72ce-44e0-bb71-1a7c86c804f5/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:46:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 01:46:14,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 01:46:14,430 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 01:46:14,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:46:14 BoogieIcfgContainer [2018-11-10 01:46:14,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 01:46:14,431 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 01:46:14,431 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 01:46:14,440 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 01:46:14,440 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:46:14" (1/1) ... [2018-11-10 01:46:14,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:46:14,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:46:14,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-10 01:46:14,480 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-10 01:46:14,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 01:46:14,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:46:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:46:14,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:46:14,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:46:14,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-10 01:46:14,560 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-10 01:46:14,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 01:46:14,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:46:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:46:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:46:14,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:46:14,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2018-11-10 01:46:14,652 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2018-11-10 01:46:14,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 01:46:14,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:46:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:46:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:46:15,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:46:15,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-11-10 01:46:15,106 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-11-10 01:46:15,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 01:46:15,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:46:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:46:15,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:46:15,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:46:15,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2018-11-10 01:46:15,360 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2018-11-10 01:46:15,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 01:46:15,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:46:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:46:15,454 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:46:15,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:46:15,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2018-11-10 01:46:15,650 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2018-11-10 01:46:15,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 01:46:15,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:46:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:46:15,699 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:46:15,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:46:15,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2018-11-10 01:46:15,819 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2018-11-10 01:46:15,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 01:46:15,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:46:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:46:15,892 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:46:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:46:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2018-11-10 01:46:16,083 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2018-11-10 01:46:16,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 01:46:16,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:46:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:46:16,127 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:46:16,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:46:16,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2018-11-10 01:46:16,258 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2018-11-10 01:46:16,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 01:46:16,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:46:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:46:16,350 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:46:16,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:46:16,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2018-11-10 01:46:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2018-11-10 01:46:16,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 01:46:16,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:46:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:46:16,552 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:46:16,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:46:16,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2018-11-10 01:46:16,671 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2018-11-10 01:46:16,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 01:46:16,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:46:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:46:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:46:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:46:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:46:16,741 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2018-11-10 01:46:16,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 01:46:16 ImpRootNode [2018-11-10 01:46:16,763 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 01:46:16,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 01:46:16,764 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 01:46:16,764 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 01:46:16,764 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:46:14" (3/4) ... [2018-11-10 01:46:16,768 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 01:46:16,824 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_97b484c1-72ce-44e0-bb71-1a7c86c804f5/bin-2019/ukojak/witness.graphml [2018-11-10 01:46:16,824 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 01:46:16,825 INFO L168 Benchmark]: Toolchain (without parser) took 2758.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 963.0 MB in the beginning and 951.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 140.0 MB. Max. memory is 11.5 GB. [2018-11-10 01:46:16,826 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:46:16,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 141.90 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 952.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 01:46:16,827 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.23 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:46:16,828 INFO L168 Benchmark]: Boogie Preprocessor took 10.01 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 946.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 01:46:16,828 INFO L168 Benchmark]: RCFGBuilder took 194.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 01:46:16,830 INFO L168 Benchmark]: CodeCheck took 2331.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.1 MB in the end (delta: 159.6 MB). Peak memory consumption was 159.6 MB. Max. memory is 11.5 GB. [2018-11-10 01:46:16,831 INFO L168 Benchmark]: Witness Printer took 60.51 ms. Allocated memory is still 1.2 GB. Free memory was 956.1 MB in the beginning and 951.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-10 01:46:16,835 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, 15 locations, 1 error locations. UNSAFE Result, 2.2s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6144 SDtfs, 3836 SDslu, 5112 SDs, 0 SdLazy, 17418 SolverSat, 5098 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1032 GetRequests, 901 SyntacticMatches, 73 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1510 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 19427 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 0/132 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, j=10, n=__VERIFIER_nondet_uint(), sn=0; [L12] int i, j=10, n=__VERIFIER_nondet_uint(), sn=0; [L13] i=1 [L13] COND TRUE i<=n [L14] COND TRUE i