./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum01-1.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_2482f104-0982-4dbd-80d5-992bfded5825/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2482f104-0982-4dbd-80d5-992bfded5825/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2482f104-0982-4dbd-80d5-992bfded5825/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2482f104-0982-4dbd-80d5-992bfded5825/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum01-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2482f104-0982-4dbd-80d5-992bfded5825/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2482f104-0982-4dbd-80d5-992bfded5825/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 5cba8acfa381c990ec40e4bf9e5d202ee845a576 .................................................................................................................................................................................................................................................................................................................... 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 10:16:37,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:16:37,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:16:37,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:16:37,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:16:37,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:16:37,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:16:37,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:16:37,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:16:37,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:16:37,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:16:37,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:16:37,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:16:37,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:16:37,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:16:37,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:16:37,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:16:37,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:16:37,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:16:37,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:16:37,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:16:37,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:16:37,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:16:37,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:16:37,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:16:37,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:16:37,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:16:37,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:16:37,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:16:37,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:16:37,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:16:37,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:16:37,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:16:37,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:16:37,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:16:37,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:16:37,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:16:37,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:16:37,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:16:37,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:16:37,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:16:37,732 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2482f104-0982-4dbd-80d5-992bfded5825/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:16:37,742 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:16:37,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:16:37,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:16:37,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:16:37,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:16:37,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:16:37,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:16:37,744 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:16:37,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:16:37,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:16:37,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:16:37,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:16:37,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:16:37,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:16:37,745 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:16:37,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:16:37,745 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:16:37,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:16:37,746 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:16:37,746 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:16:37,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:16:37,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:16:37,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:16:37,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:16:37,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:16:37,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:16:37,747 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:16:37,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:16:37,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:16:37,748 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_2482f104-0982-4dbd-80d5-992bfded5825/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 -> 5cba8acfa381c990ec40e4bf9e5d202ee845a576 [2019-10-22 10:16:37,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:16:37,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:16:37,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:16:37,788 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:16:37,788 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:16:37,789 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2482f104-0982-4dbd-80d5-992bfded5825/bin/ukojak/../../sv-benchmarks/c/loops/sum01-1.i [2019-10-22 10:16:37,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2482f104-0982-4dbd-80d5-992bfded5825/bin/ukojak/data/19b86fecf/72c6a54f7e4a48058d47b74fea446fa0/FLAG5816f2427 [2019-10-22 10:16:38,208 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:16:38,209 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2482f104-0982-4dbd-80d5-992bfded5825/sv-benchmarks/c/loops/sum01-1.i [2019-10-22 10:16:38,213 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2482f104-0982-4dbd-80d5-992bfded5825/bin/ukojak/data/19b86fecf/72c6a54f7e4a48058d47b74fea446fa0/FLAG5816f2427 [2019-10-22 10:16:38,625 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2482f104-0982-4dbd-80d5-992bfded5825/bin/ukojak/data/19b86fecf/72c6a54f7e4a48058d47b74fea446fa0 [2019-10-22 10:16:38,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:16:38,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:16:38,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:38,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:16:38,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:16:38,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:38" (1/1) ... [2019-10-22 10:16:38,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd995c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:38, skipping insertion in model container [2019-10-22 10:16:38,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:38" (1/1) ... [2019-10-22 10:16:38,643 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:16:38,659 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:16:38,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:38,785 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:16:38,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:38,865 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:16:38,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:38 WrapperNode [2019-10-22 10:16:38,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:38,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:38,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:16:38,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:16:38,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:38" (1/1) ... [2019-10-22 10:16:38,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:38" (1/1) ... [2019-10-22 10:16:38,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:38,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:16:38,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:16:38,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:16:38,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:38" (1/1) ... [2019-10-22 10:16:38,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:38" (1/1) ... [2019-10-22 10:16:38,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:38" (1/1) ... [2019-10-22 10:16:38,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:38" (1/1) ... [2019-10-22 10:16:38,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:38" (1/1) ... [2019-10-22 10:16:38,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:38" (1/1) ... [2019-10-22 10:16:38,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:38" (1/1) ... [2019-10-22 10:16:38,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:16:38,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:16:38,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:16:38,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:16:38,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2482f104-0982-4dbd-80d5-992bfded5825/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 10:16:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:16:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:16:39,142 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:16:39,142 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 10:16:39,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:39 BoogieIcfgContainer [2019-10-22 10:16:39,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:16:39,144 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:16:39,144 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:16:39,156 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:16:39,156 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:39" (1/1) ... [2019-10-22 10:16:39,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:16:39,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:39,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2019-10-22 10:16:39,201 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-10-22 10:16:39,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:16:39,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:39,397 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 10:16:39,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:39,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2019-10-22 10:16:39,451 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2019-10-22 10:16:39,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:16:39,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:39,561 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 10:16:39,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:39,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2019-10-22 10:16:39,833 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2019-10-22 10:16:39,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:16:39,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:39,908 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 10:16:40,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:40,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2019-10-22 10:16:40,123 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2019-10-22 10:16:40,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:16:40,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:40,232 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 10:16:40,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:40,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2019-10-22 10:16:40,461 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2019-10-22 10:16:40,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:16:40,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:40,554 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 10:16:40,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:40,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 14 states and 26 transitions. [2019-10-22 10:16:40,858 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 26 transitions. [2019-10-22 10:16:40,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:16:40,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:40,935 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 10:16:41,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:41,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 15 states and 28 transitions. [2019-10-22 10:16:41,183 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 28 transitions. [2019-10-22 10:16:41,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:16:41,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:41,261 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:41,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:41,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 16 states and 30 transitions. [2019-10-22 10:16:41,522 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 30 transitions. [2019-10-22 10:16:41,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:16:41,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:41,633 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:41,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:41,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 17 states and 32 transitions. [2019-10-22 10:16:41,887 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 32 transitions. [2019-10-22 10:16:41,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:16:41,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:41,990 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:42,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:42,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2019-10-22 10:16:42,262 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2019-10-22 10:16:42,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:16:42,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:42,349 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:42,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:42,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 19 states and 36 transitions. [2019-10-22 10:16:42,624 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 36 transitions. [2019-10-22 10:16:42,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:16:42,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:16:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:16:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:16:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:16:42,725 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2019-10-22 10:16:42,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:16:42 ImpRootNode [2019-10-22 10:16:42,769 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:16:42,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:16:42,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:16:42,769 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:16:42,770 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:39" (3/4) ... [2019-10-22 10:16:42,772 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:16:42,843 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2482f104-0982-4dbd-80d5-992bfded5825/bin/ukojak/witness.graphml [2019-10-22 10:16:42,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:16:42,845 INFO L168 Benchmark]: Toolchain (without parser) took 4216.40 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 236.5 MB). Free memory was 941.8 MB in the beginning and 1.0 GB in the end (delta: -78.6 MB). Peak memory consumption was 157.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:42,846 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:16:42,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 940.4 MB in the beginning and 1.2 GB in the end (delta: -237.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:42,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:42,848 INFO L168 Benchmark]: Boogie Preprocessor took 12.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:42,849 INFO L168 Benchmark]: RCFGBuilder took 234.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:42,850 INFO L168 Benchmark]: CodeCheck took 3625.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 52.4 MB). Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 129.7 MB). Peak memory consumption was 182.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:42,850 INFO L168 Benchmark]: Witness Printer took 74.08 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:42,855 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: 3.5s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 512 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 20464 SolverSat, 9716 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 829 GetRequests, 714 SyntacticMatches, 51 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1596 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 9456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/165 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, n=__VERIFIER_nondet_uint(), sn=0; [L12] int i, n=__VERIFIER_nondet_uint(), sn=0; [L13] i=1 [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND FALSE !(i<10) [L13] i++ [L13] COND FALSE !(i<=n) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 237.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 940.4 MB in the beginning and 1.2 GB in the end (delta: -237.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 234.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * CodeCheck took 3625.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 52.4 MB). Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 129.7 MB). Peak memory consumption was 182.2 MB. Max. memory is 11.5 GB. * Witness Printer took 74.08 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...