./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/sum03_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_2eaa407e-1e77-416a-b1ce-087a6df0e415/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2eaa407e-1e77-416a-b1ce-087a6df0e415/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2eaa407e-1e77-416a-b1ce-087a6df0e415/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2eaa407e-1e77-416a-b1ce-087a6df0e415/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum03_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2eaa407e-1e77-416a-b1ce-087a6df0e415/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2eaa407e-1e77-416a-b1ce-087a6df0e415/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 a5bec83c84f47b7653d49cdbe6bc7857a2bc0080 ............................................................................................................................................................................................................................................................................................................................................................ 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 08:52:39,560 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:52:39,561 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:52:39,569 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:52:39,570 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:52:39,570 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:52:39,571 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:52:39,572 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:52:39,573 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:52:39,574 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:52:39,575 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:52:39,575 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:52:39,575 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:52:39,576 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:52:39,577 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:52:39,577 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:52:39,578 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:52:39,579 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:52:39,580 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:52:39,581 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:52:39,582 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:52:39,583 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:52:39,584 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:52:39,584 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:52:39,585 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:52:39,585 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:52:39,586 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:52:39,586 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:52:39,587 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:52:39,588 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:52:39,588 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:52:39,588 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:52:39,589 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:52:39,589 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:52:39,589 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:52:39,590 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:52:39,590 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2eaa407e-1e77-416a-b1ce-087a6df0e415/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 08:52:39,600 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:52:39,600 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:52:39,601 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:52:39,601 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 08:52:39,602 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:52:39,602 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:52:39,602 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:52:39,602 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:52:39,602 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:52:39,602 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:52:39,602 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:52:39,603 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:52:39,603 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:52:39,603 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:52:39,603 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:52:39,603 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:52:39,603 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:52:39,603 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:52:39,604 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 08:52:39,604 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 08:52:39,604 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:52:39,604 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:52:39,604 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 08:52:39,604 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:52:39,604 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:52:39,604 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:52:39,604 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 08:52:39,604 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:52:39,604 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:52:39,605 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_2eaa407e-1e77-416a-b1ce-087a6df0e415/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 -> a5bec83c84f47b7653d49cdbe6bc7857a2bc0080 [2018-11-18 08:52:39,628 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:52:39,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:52:39,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:52:39,638 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:52:39,639 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:52:39,639 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2eaa407e-1e77-416a-b1ce-087a6df0e415/bin-2019/ukojak/../../sv-benchmarks/c/loops/sum03_false-unreach-call_true-termination.i [2018-11-18 08:52:39,675 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2eaa407e-1e77-416a-b1ce-087a6df0e415/bin-2019/ukojak/data/4c8b48652/f735ac957f174bcb892ef32d75482058/FLAG26deb79d2 [2018-11-18 08:52:39,970 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:52:39,971 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2eaa407e-1e77-416a-b1ce-087a6df0e415/sv-benchmarks/c/loops/sum03_false-unreach-call_true-termination.i [2018-11-18 08:52:39,976 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2eaa407e-1e77-416a-b1ce-087a6df0e415/bin-2019/ukojak/data/4c8b48652/f735ac957f174bcb892ef32d75482058/FLAG26deb79d2 [2018-11-18 08:52:39,984 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2eaa407e-1e77-416a-b1ce-087a6df0e415/bin-2019/ukojak/data/4c8b48652/f735ac957f174bcb892ef32d75482058 [2018-11-18 08:52:39,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:52:39,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:52:39,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:52:39,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:52:39,990 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:52:39,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:52:39" (1/1) ... [2018-11-18 08:52:39,992 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 08:52:39, skipping insertion in model container [2018-11-18 08:52:39,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:52:39" (1/1) ... [2018-11-18 08:52:39,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:52:40,008 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:52:40,102 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:52:40,104 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:52:40,112 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:52:40,122 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:52:40,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:52:40 WrapperNode [2018-11-18 08:52:40,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:52:40,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:52:40,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:52:40,123 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:52:40,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:52:40" (1/1) ... [2018-11-18 08:52:40,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:52:40" (1/1) ... [2018-11-18 08:52:40,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:52:40,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:52:40,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:52:40,141 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:52:40,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:52:40" (1/1) ... [2018-11-18 08:52:40,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:52:40" (1/1) ... [2018-11-18 08:52:40,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:52:40" (1/1) ... [2018-11-18 08:52:40,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:52:40" (1/1) ... [2018-11-18 08:52:40,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:52:40" (1/1) ... [2018-11-18 08:52:40,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:52:40" (1/1) ... [2018-11-18 08:52:40,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:52:40" (1/1) ... [2018-11-18 08:52:40,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:52:40,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:52:40,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:52:40,153 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:52:40,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:52:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eaa407e-1e77-416a-b1ce-087a6df0e415/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 08:52:40,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:52:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:52:40,366 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:52:40,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:52:40 BoogieIcfgContainer [2018-11-18 08:52:40,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:52:40,367 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 08:52:40,367 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 08:52:40,377 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 08:52:40,377 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:52:40" (1/1) ... [2018-11-18 08:52:40,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:52:40,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:52:40,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-18 08:52:40,421 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-18 08:52:40,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 08:52:40,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:52:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:52:40,626 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 08:52:40,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:52:40,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-11-18 08:52:40,672 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-11-18 08:52:40,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 08:52:40,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:52:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:52:40,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:52:41,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:52:41,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 08:52:41,306 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 08:52:41,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 08:52:41,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:52:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:52:41,551 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:52:42,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:52:42,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-11-18 08:52:42,330 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-11-18 08:52:42,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 08:52:42,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:52:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:52:42,560 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:52:43,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:52:43,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2018-11-18 08:52:43,218 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2018-11-18 08:52:43,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 08:52:43,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:52:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:52:43,425 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:52:44,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:52:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 38 states and 42 transitions. [2018-11-18 08:52:44,136 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2018-11-18 08:52:44,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 08:52:44,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:52:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:52:44,434 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:52:45,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:52:45,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2018-11-18 08:52:45,243 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-11-18 08:52:45,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 08:52:45,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:52:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:52:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:52:46,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:52:46,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 54 states and 58 transitions. [2018-11-18 08:52:46,528 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2018-11-18 08:52:46,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 08:52:46,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:52:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:52:46,965 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:52:48,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:52:48,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 62 states and 66 transitions. [2018-11-18 08:52:48,089 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2018-11-18 08:52:48,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 08:52:48,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:52:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:52:48,484 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:52:50,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:52:50,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 70 states and 74 transitions. [2018-11-18 08:52:50,575 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2018-11-18 08:52:50,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 08:52:50,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:52:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:52:51,140 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:52:59,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:52:59,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 78 states and 82 transitions. [2018-11-18 08:52:59,336 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2018-11-18 08:52:59,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 08:52:59,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:52:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:52:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:52:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:52:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:52:59,517 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2018-11-18 08:52:59,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 08:52:59 ImpRootNode [2018-11-18 08:52:59,540 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 08:52:59,540 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:52:59,540 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:52:59,540 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:52:59,541 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:52:40" (3/4) ... [2018-11-18 08:52:59,544 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 08:52:59,619 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2eaa407e-1e77-416a-b1ce-087a6df0e415/bin-2019/ukojak/witness.graphml [2018-11-18 08:52:59,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:52:59,620 INFO L168 Benchmark]: Toolchain (without parser) took 19633.37 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 357.6 MB). Free memory was 953.8 MB in the beginning and 1.3 GB in the end (delta: -335.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:52:59,621 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:52:59,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.71 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:52:59,622 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.41 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:52:59,623 INFO L168 Benchmark]: Boogie Preprocessor took 11.78 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:52:59,623 INFO L168 Benchmark]: RCFGBuilder took 213.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:52:59,623 INFO L168 Benchmark]: CodeCheck took 19173.26 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 203.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -153.3 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:52:59,624 INFO L168 Benchmark]: Witness Printer took 79.37 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:52:59,627 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, 13 locations, 1 error locations. UNSAFE Result, 19.1s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1536 SDtfs, 10984 SDslu, 15072 SDs, 0 SdLazy, 26578 SolverSat, 8690 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1777 GetRequests, 1445 SyntacticMatches, 138 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20649 ImplicationChecksByTransitivity, 9.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 94444 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/615 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: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] int sn=0; [L11] unsigned int loop1=__VERIFIER_nondet_uint(), n1=__VERIFIER_nondet_uint(); [L11] unsigned int loop1=__VERIFIER_nondet_uint(), n1=__VERIFIER_nondet_uint(); [L12] unsigned int x=0; [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND FALSE !(x<10) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND TRUE !(cond) [L4] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 134.71 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.41 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.78 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 213.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 19173.26 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 203.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -153.3 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. * Witness Printer took 79.37 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...