./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum01_bug02.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7ab4f723-b277-429d-a307-ac1897cf9bd0/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7ab4f723-b277-429d-a307-ac1897cf9bd0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7ab4f723-b277-429d-a307-ac1897cf9bd0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7ab4f723-b277-429d-a307-ac1897cf9bd0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum01_bug02.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7ab4f723-b277-429d-a307-ac1897cf9bd0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7ab4f723-b277-429d-a307-ac1897cf9bd0/bin/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 0.1.24-cad4683 [2019-10-22 10:18:41,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:18:41,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:18:41,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:18:41,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:18:41,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:18:41,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:18:41,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:18:41,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:18:41,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:18:41,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:18:41,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:18:41,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:18:41,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:18:41,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:18:41,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:18:41,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:18:41,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:18:41,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:18:41,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:18:41,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:18:41,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:18:41,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:18:41,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:18:41,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:18:41,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:18:41,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:18:41,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:18:41,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:18:41,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:18:41,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:18:41,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:18:41,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:18:41,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:18:41,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:18:41,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:18:41,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:18:41,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:18:41,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:18:41,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:18:41,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:18:41,638 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7ab4f723-b277-429d-a307-ac1897cf9bd0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:18:41,653 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:18:41,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:18:41,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:18:41,654 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:18:41,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:18:41,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:18:41,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:18:41,655 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:18:41,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:18:41,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:18:41,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:18:41,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:18:41,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:18:41,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:18:41,656 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:18:41,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:18:41,656 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:18:41,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:18:41,665 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:18:41,665 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:18:41,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:18:41,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:18:41,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:18:41,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:18:41,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:18:41,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:18:41,666 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:18:41,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:18:41,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:18:41,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7ab4f723-b277-429d-a307-ac1897cf9bd0/bin/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 [2019-10-22 10:18:41,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:18:41,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:18:41,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:18:41,710 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:18:41,711 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:18:41,711 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7ab4f723-b277-429d-a307-ac1897cf9bd0/bin/ukojak/../../sv-benchmarks/c/loops/sum01_bug02.i [2019-10-22 10:18:41,757 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7ab4f723-b277-429d-a307-ac1897cf9bd0/bin/ukojak/data/9438f50f8/412b82330882417597c4c7746e788209/FLAG66728c8e6 [2019-10-22 10:18:42,152 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:18:42,153 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7ab4f723-b277-429d-a307-ac1897cf9bd0/sv-benchmarks/c/loops/sum01_bug02.i [2019-10-22 10:18:42,158 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7ab4f723-b277-429d-a307-ac1897cf9bd0/bin/ukojak/data/9438f50f8/412b82330882417597c4c7746e788209/FLAG66728c8e6 [2019-10-22 10:18:42,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7ab4f723-b277-429d-a307-ac1897cf9bd0/bin/ukojak/data/9438f50f8/412b82330882417597c4c7746e788209 [2019-10-22 10:18:42,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:18:42,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:18:42,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:18:42,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:18:42,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:18:42,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:18:42" (1/1) ... [2019-10-22 10:18:42,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7464cab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:42, skipping insertion in model container [2019-10-22 10:18:42,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:18:42" (1/1) ... [2019-10-22 10:18:42,198 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:18:42,214 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:18:42,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:18:42,410 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:18:42,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:18:42,535 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:18:42,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:42 WrapperNode [2019-10-22 10:18:42,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:18:42,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:42,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:18:42,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:18:42,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:42" (1/1) ... [2019-10-22 10:18:42,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:42" (1/1) ... [2019-10-22 10:18:42,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:42,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:18:42,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:18:42,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:18:42,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:42" (1/1) ... [2019-10-22 10:18:42,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:42" (1/1) ... [2019-10-22 10:18:42,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:42" (1/1) ... [2019-10-22 10:18:42,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:42" (1/1) ... [2019-10-22 10:18:42,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:42" (1/1) ... [2019-10-22 10:18:42,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:42" (1/1) ... [2019-10-22 10:18:42,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:42" (1/1) ... [2019-10-22 10:18:42,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:18:42,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:18:42,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:18:42,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:18:42,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ab4f723-b277-429d-a307-ac1897cf9bd0/bin/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 [2019-10-22 10:18:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:18:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:18:43,034 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:18:43,035 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 10:18:43,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:43 BoogieIcfgContainer [2019-10-22 10:18:43,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:18:43,037 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:18:43,037 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:18:43,049 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:18:43,049 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:43" (1/1) ... [2019-10-22 10:18:43,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:18:43,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:43,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2019-10-22 10:18:43,095 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-10-22 10:18:43,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:18:43,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:43,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:43,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-10-22 10:18:43,331 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-10-22 10:18:43,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:18:43,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:43,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:43,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:43,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 11 states and 20 transitions. [2019-10-22 10:18:43,917 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 20 transitions. [2019-10-22 10:18:43,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:18:43,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:44,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:44,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 12 states and 23 transitions. [2019-10-22 10:18:44,273 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 23 transitions. [2019-10-22 10:18:44,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:18:44,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:44,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:44,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:44,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 13 states and 27 transitions. [2019-10-22 10:18:44,549 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 27 transitions. [2019-10-22 10:18:44,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:18:44,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:44,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:44,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 14 states and 29 transitions. [2019-10-22 10:18:44,942 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 29 transitions. [2019-10-22 10:18:44,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:18:44,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:45,015 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:45,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:45,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 15 states and 32 transitions. [2019-10-22 10:18:45,218 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 32 transitions. [2019-10-22 10:18:45,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:18:45,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:45,347 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:45,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:45,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 16 states and 34 transitions. [2019-10-22 10:18:45,628 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 34 transitions. [2019-10-22 10:18:45,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:18:45,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:45,690 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:45,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:45,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 17 states and 37 transitions. [2019-10-22 10:18:45,952 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 37 transitions. [2019-10-22 10:18:45,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:18:45,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:46,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:46,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 18 states and 39 transitions. [2019-10-22 10:18:46,339 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 39 transitions. [2019-10-22 10:18:46,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:18:46,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:18:46,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:46,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 19 states and 42 transitions. [2019-10-22 10:18:46,656 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 42 transitions. [2019-10-22 10:18:46,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:18:46,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:18:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:18:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:18:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:18:46,732 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2019-10-22 10:18:46,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:18:46 ImpRootNode [2019-10-22 10:18:46,754 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:18:46,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:18:46,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:18:46,755 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:18:46,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:43" (3/4) ... [2019-10-22 10:18:46,758 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:18:46,846 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7ab4f723-b277-429d-a307-ac1897cf9bd0/bin/ukojak/witness.graphml [2019-10-22 10:18:46,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:18:46,848 INFO L168 Benchmark]: Toolchain (without parser) took 4670.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:46,849 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:18:46,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:46,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:18:46,851 INFO L168 Benchmark]: Boogie Preprocessor took 24.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:46,852 INFO L168 Benchmark]: RCFGBuilder took 435.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:46,859 INFO L168 Benchmark]: CodeCheck took 3717.51 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.5 MB). Peak memory consumption was 74.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:46,859 INFO L168 Benchmark]: Witness Printer took 91.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:46,864 INFO L335 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, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.6s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 512 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 20888 SolverSat, 8520 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 771 GetRequests, 679 SyntacticMatches, 36 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1204 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 5418 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/69 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 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