./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_70cf1bf1-1162-45f6-823f-2e5be1a297f1/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_70cf1bf1-1162-45f6-823f-2e5be1a297f1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_70cf1bf1-1162-45f6-823f-2e5be1a297f1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_70cf1bf1-1162-45f6-823f-2e5be1a297f1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i -s /tmp/vcloud-vcloud-master/worker/run_dir_70cf1bf1-1162-45f6-823f-2e5be1a297f1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_70cf1bf1-1162-45f6-823f-2e5be1a297f1/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dfd48abfacd60a3a4485060da29ebb446d23ac13 ................................................................................................................................................................................................................................................................ 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 0.2.0-a4ecdab [2020-11-28 04:43:18,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:43:18,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:43:18,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:43:18,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:43:18,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:43:18,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:43:18,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:43:18,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:43:18,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:43:18,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:43:18,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:43:18,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:43:18,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:43:18,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:43:18,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:43:18,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:43:18,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:43:18,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:43:18,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:43:18,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:43:18,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:43:18,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:43:18,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:43:18,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:43:18,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:43:18,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:43:18,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:43:18,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:43:18,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:43:18,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:43:18,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:43:18,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:43:18,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:43:18,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:43:18,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:43:18,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:43:18,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:43:18,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:43:18,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:43:18,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:43:18,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_70cf1bf1-1162-45f6-823f-2e5be1a297f1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:43:18,930 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:43:18,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:43:18,931 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:43:18,931 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:43:18,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:43:18,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:43:18,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:43:18,933 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:43:18,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:43:18,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:43:18,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:43:18,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:43:18,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:43:18,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:43:18,935 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:43:18,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:43:18,936 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:43:18,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:43:18,936 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:43:18,937 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:43:18,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:43:18,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:43:18,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:43:18,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:43:18,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:43:18,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:43:18,939 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:43:18,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:43:18,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:43:18,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_70cf1bf1-1162-45f6-823f-2e5be1a297f1/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_70cf1bf1-1162-45f6-823f-2e5be1a297f1/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfd48abfacd60a3a4485060da29ebb446d23ac13 [2020-11-28 04:43:19,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:43:19,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:43:19,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:43:19,254 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:43:19,256 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:43:19,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_70cf1bf1-1162-45f6-823f-2e5be1a297f1/bin/ukojak/../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i [2020-11-28 04:43:19,332 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70cf1bf1-1162-45f6-823f-2e5be1a297f1/bin/ukojak/data/77683e6c0/0ce7b3354943405c9b260ec865cb2bdf/FLAG6ab41befc [2020-11-28 04:43:19,885 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:43:19,886 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_70cf1bf1-1162-45f6-823f-2e5be1a297f1/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i [2020-11-28 04:43:19,898 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70cf1bf1-1162-45f6-823f-2e5be1a297f1/bin/ukojak/data/77683e6c0/0ce7b3354943405c9b260ec865cb2bdf/FLAG6ab41befc [2020-11-28 04:43:20,210 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_70cf1bf1-1162-45f6-823f-2e5be1a297f1/bin/ukojak/data/77683e6c0/0ce7b3354943405c9b260ec865cb2bdf [2020-11-28 04:43:20,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:43:20,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:43:20,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:20,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:43:20,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:43:20,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:20" (1/1) ... [2020-11-28 04:43:20,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404c55f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:20, skipping insertion in model container [2020-11-28 04:43:20,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:20" (1/1) ... [2020-11-28 04:43:20,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:43:20,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:43:20,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:20,448 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:43:20,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:20,498 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:43:20,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:20 WrapperNode [2020-11-28 04:43:20,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:20,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:20,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:43:20,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:43:20,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:20" (1/1) ... [2020-11-28 04:43:20,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:20" (1/1) ... [2020-11-28 04:43:20,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:20,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:43:20,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:43:20,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:43:20,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:20" (1/1) ... [2020-11-28 04:43:20,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:20" (1/1) ... [2020-11-28 04:43:20,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:20" (1/1) ... [2020-11-28 04:43:20,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:20" (1/1) ... [2020-11-28 04:43:20,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:20" (1/1) ... [2020-11-28 04:43:20,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:20" (1/1) ... [2020-11-28 04:43:20,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:20" (1/1) ... [2020-11-28 04:43:20,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:43:20,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:43:20,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:43:20,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:43:20,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70cf1bf1-1162-45f6-823f-2e5be1a297f1/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 [2020-11-28 04:43:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:43:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:43:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:43:20,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:43:20,981 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:43:20,981 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 04:43:20,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:20 BoogieIcfgContainer [2020-11-28 04:43:20,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:43:20,984 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:43:20,985 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:43:20,996 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:43:20,997 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:20" (1/1) ... [2020-11-28 04:43:21,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:43:21,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:21,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-11-28 04:43:21,073 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-11-28 04:43:21,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:43:21,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:21,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:21,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:21,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2020-11-28 04:43:21,366 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2020-11-28 04:43:21,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:43:21,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:21,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:21,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:21,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2020-11-28 04:43:21,854 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2020-11-28 04:43:21,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:43:21,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:22,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:22,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:22,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2020-11-28 04:43:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2020-11-28 04:43:22,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:43:22,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:22,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:22,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:22,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 14 states and 24 transitions. [2020-11-28 04:43:22,799 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 24 transitions. [2020-11-28 04:43:22,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:43:22,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:22,819 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:22,838 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:22,880 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:22,899 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:22,915 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2020-11-28 04:43:22,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:43:22 ImpRootNode [2020-11-28 04:43:22,941 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:43:22,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:43:22,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:43:22,943 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:43:22,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:20" (3/4) ... [2020-11-28 04:43:22,946 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:43:23,019 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_70cf1bf1-1162-45f6-823f-2e5be1a297f1/bin/ukojak/witness.graphml [2020-11-28 04:43:23,019 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:43:23,022 INFO L168 Benchmark]: Toolchain (without parser) took 2806.40 ms. Allocated memory was 111.1 MB in the beginning and 151.0 MB in the end (delta: 39.8 MB). Free memory was 84.5 MB in the beginning and 67.7 MB in the end (delta: 16.8 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:23,027 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 111.1 MB. Free memory was 68.3 MB in the beginning and 68.2 MB in the end (delta: 62.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:23,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.73 ms. Allocated memory is still 111.1 MB. Free memory was 84.3 MB in the beginning and 86.5 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:23,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.04 ms. Allocated memory is still 111.1 MB. Free memory was 86.3 MB in the beginning and 85.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:23,033 INFO L168 Benchmark]: Boogie Preprocessor took 23.15 ms. Allocated memory is still 111.1 MB. Free memory was 85.0 MB in the beginning and 84.0 MB in the end (delta: 994.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:23,034 INFO L168 Benchmark]: RCFGBuilder took 404.18 ms. Allocated memory is still 111.1 MB. Free memory was 84.0 MB in the beginning and 69.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:23,034 INFO L168 Benchmark]: CodeCheck took 1957.18 ms. Allocated memory was 111.1 MB in the beginning and 151.0 MB in the end (delta: 39.8 MB). Free memory was 69.3 MB in the beginning and 69.8 MB in the end (delta: -501.6 kB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:23,035 INFO L168 Benchmark]: Witness Printer took 76.63 ms. Allocated memory is still 151.0 MB. Free memory was 69.8 MB in the beginning and 67.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:23,038 INFO L339 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, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 288 SolverSat, 124 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 225 GetRequests, 193 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 1008 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/10 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: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L24] i=1 [L24] COND TRUE i<=n [L25] sn = sn + (2) [L26] COND FALSE !(i==4) [L24] i++ [L24] COND TRUE i<=n [L25] sn = sn + (2) [L26] COND FALSE !(i==4) [L24] i++ [L24] COND TRUE i<=n [L25] sn = sn + (2) [L26] COND FALSE !(i==4) [L24] i++ [L24] COND TRUE i<=n [L25] sn = sn + (2) [L26] COND TRUE i==4 [L26] sn=-10 [L24] i++ [L24] COND FALSE !(i<=n) [L15] COND TRUE !(cond) [L12] COND FALSE !(0) [L12] __assert_fail ("0", "sum01_bug02_sum01_bug02_base.case.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 111.1 MB. Free memory was 68.3 MB in the beginning and 68.2 MB in the end (delta: 62.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 282.73 ms. Allocated memory is still 111.1 MB. Free memory was 84.3 MB in the beginning and 86.5 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.04 ms. Allocated memory is still 111.1 MB. Free memory was 86.3 MB in the beginning and 85.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.15 ms. Allocated memory is still 111.1 MB. Free memory was 85.0 MB in the beginning and 84.0 MB in the end (delta: 994.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 404.18 ms. Allocated memory is still 111.1 MB. Free memory was 84.0 MB in the beginning and 69.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 1957.18 ms. Allocated memory was 111.1 MB in the beginning and 151.0 MB in the end (delta: 39.8 MB). Free memory was 69.3 MB in the beginning and 69.8 MB in the end (delta: -501.6 kB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. * Witness Printer took 76.63 ms. Allocated memory is still 151.0 MB. Free memory was 69.8 MB in the beginning and 67.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...