./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-exmini.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_57d6a144-fa5a-4f41-a106-09ae460f6e79/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_57d6a144-fa5a-4f41-a106-09ae460f6e79/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_57d6a144-fa5a-4f41-a106-09ae460f6e79/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_57d6a144-fa5a-4f41-a106-09ae460f6e79/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-exmini.c -s /tmp/vcloud-vcloud-master/worker/run_dir_57d6a144-fa5a-4f41-a106-09ae460f6e79/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_57d6a144-fa5a-4f41-a106-09ae460f6e79/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f75d3b0df88aa6cba3575b396148d07555139dde ......................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:19:31,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:19:31,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:19:31,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:19:31,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:19:31,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:19:31,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:19:31,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:19:31,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:19:31,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:19:31,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:19:31,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:19:31,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:19:31,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:19:31,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:19:31,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:19:31,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:19:31,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:19:31,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:19:31,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:19:31,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:19:31,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:19:31,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:19:31,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:19:31,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:19:31,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:19:31,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:19:31,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:19:32,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:19:32,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:19:32,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:19:32,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:19:32,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:19:32,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:19:32,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:19:32,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:19:32,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:19:32,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:19:32,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:19:32,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:19:32,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:19:32,014 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_57d6a144-fa5a-4f41-a106-09ae460f6e79/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-29 23:19:32,054 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:19:32,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:19:32,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 23:19:32,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 23:19:32,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:19:32,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:19:32,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:19:32,058 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:19:32,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:19:32,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:19:32,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:19:32,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:19:32,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:19:32,060 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 23:19:32,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:19:32,060 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:19:32,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:19:32,061 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:19:32,061 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:19:32,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:19:32,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:19:32,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:19:32,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:19:32,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:19:32,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:19:32,062 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 23:19:32,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:19:32,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:19:32,063 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_57d6a144-fa5a-4f41-a106-09ae460f6e79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_57d6a144-fa5a-4f41-a106-09ae460f6e79/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f75d3b0df88aa6cba3575b396148d07555139dde [2020-11-29 23:19:32,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:19:32,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:19:32,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:19:32,451 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:19:32,458 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:19:32,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_57d6a144-fa5a-4f41-a106-09ae460f6e79/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-exmini.c [2020-11-29 23:19:32,570 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57d6a144-fa5a-4f41-a106-09ae460f6e79/bin/ukojak/data/dbdce80ad/3fe022834ff64268aaa08adb5da81982/FLAG8f3fe4eb5 [2020-11-29 23:19:33,273 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:19:33,273 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_57d6a144-fa5a-4f41-a106-09ae460f6e79/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-exmini.c [2020-11-29 23:19:33,282 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57d6a144-fa5a-4f41-a106-09ae460f6e79/bin/ukojak/data/dbdce80ad/3fe022834ff64268aaa08adb5da81982/FLAG8f3fe4eb5 [2020-11-29 23:19:33,643 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_57d6a144-fa5a-4f41-a106-09ae460f6e79/bin/ukojak/data/dbdce80ad/3fe022834ff64268aaa08adb5da81982 [2020-11-29 23:19:33,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:19:33,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:19:33,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:19:33,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:19:33,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:19:33,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:19:33" (1/1) ... [2020-11-29 23:19:33,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1671ea73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:19:33, skipping insertion in model container [2020-11-29 23:19:33,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:19:33" (1/1) ... [2020-11-29 23:19:33,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:19:33,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:19:33,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:19:33,857 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:19:33,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:19:33,904 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:19:33,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:19:33 WrapperNode [2020-11-29 23:19:33,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:19:33,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:19:33,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:19:33,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:19:33,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:19:33" (1/1) ... [2020-11-29 23:19:33,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:19:33" (1/1) ... [2020-11-29 23:19:33,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:19:33,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:19:33,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:19:33,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:19:33,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:19:33" (1/1) ... [2020-11-29 23:19:33,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:19:33" (1/1) ... [2020-11-29 23:19:33,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:19:33" (1/1) ... [2020-11-29 23:19:33,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:19:33" (1/1) ... [2020-11-29 23:19:33,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:19:33" (1/1) ... [2020-11-29 23:19:33,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:19:33" (1/1) ... [2020-11-29 23:19:33,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:19:33" (1/1) ... [2020-11-29 23:19:33,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:19:33,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:19:33,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:19:33,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:19:33,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:19:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57d6a144-fa5a-4f41-a106-09ae460f6e79/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 [2020-11-29 23:19:34,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:19:34,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:19:34,436 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:19:34,436 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-29 23:19:34,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:19:34 BoogieIcfgContainer [2020-11-29 23:19:34,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:19:34,438 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 23:19:34,439 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 23:19:34,448 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 23:19:34,449 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:19:34" (1/1) ... [2020-11-29 23:19:34,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:19:34,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:19:34,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-11-29 23:19:34,505 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-11-29 23:19:34,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-29 23:19:34,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:19:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:19:34,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:19:34,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:19:34,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-11-29 23:19:34,736 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-11-29 23:19:34,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 23:19:34,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:19:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:19:34,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:19:35,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:19:35,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2020-11-29 23:19:35,023 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2020-11-29 23:19:35,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 23:19:35,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:19:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:19:35,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:19:35,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:19:35,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2020-11-29 23:19:35,604 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2020-11-29 23:19:35,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 23:19:35,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:19:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:19:35,618 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:19:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:19:35,629 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:19:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:19:35,662 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:19:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:19:35,671 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:19:35,677 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2020-11-29 23:19:35,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 11:19:35 ImpRootNode [2020-11-29 23:19:35,694 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 23:19:35,695 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:19:35,695 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:19:35,695 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:19:35,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:19:34" (3/4) ... [2020-11-29 23:19:35,698 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 23:19:35,734 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_57d6a144-fa5a-4f41-a106-09ae460f6e79/bin/ukojak/witness.graphml [2020-11-29 23:19:35,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:19:35,736 INFO L168 Benchmark]: Toolchain (without parser) took 2087.39 ms. Allocated memory is still 111.1 MB. Free memory was 80.5 MB in the beginning and 60.0 MB in the end (delta: 20.5 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:19:35,737 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 79.7 MB. Free memory was 52.8 MB in the beginning and 52.8 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:19:35,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.23 ms. Allocated memory is still 111.1 MB. Free memory was 80.5 MB in the beginning and 90.8 MB in the end (delta: -10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:19:35,738 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.77 ms. Allocated memory is still 111.1 MB. Free memory was 90.8 MB in the beginning and 89.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:19:35,739 INFO L168 Benchmark]: Boogie Preprocessor took 24.94 ms. Allocated memory is still 111.1 MB. Free memory was 89.4 MB in the beginning and 88.7 MB in the end (delta: 653.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:19:35,740 INFO L168 Benchmark]: RCFGBuilder took 462.55 ms. Allocated memory is still 111.1 MB. Free memory was 88.6 MB in the beginning and 77.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:19:35,741 INFO L168 Benchmark]: CodeCheck took 1256.05 ms. Allocated memory is still 111.1 MB. Free memory was 77.5 MB in the beginning and 62.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:19:35,741 INFO L168 Benchmark]: Witness Printer took 38.83 ms. Allocated memory is still 111.1 MB. Free memory was 62.1 MB in the beginning and 60.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:19:35,746 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, 11 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 20 SDslu, 8 SDs, 0 SdLazy, 124 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 101 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int i, j, k, tmp; [L15] i = __VERIFIER_nondet_int() [L16] j = __VERIFIER_nondet_int() [L17] k = __VERIFIER_nondet_int() [L18] tmp = __VERIFIER_nondet_int() [L19] COND TRUE i <= 100 && j <= k [L20] tmp = i [L21] i = j [L22] EXPR tmp + 1 [L22] j = tmp + 1 [L23] k - 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 79.7 MB. Free memory was 52.8 MB in the beginning and 52.8 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 254.23 ms. Allocated memory is still 111.1 MB. Free memory was 80.5 MB in the beginning and 90.8 MB in the end (delta: -10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.77 ms. Allocated memory is still 111.1 MB. Free memory was 90.8 MB in the beginning and 89.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.94 ms. Allocated memory is still 111.1 MB. Free memory was 89.4 MB in the beginning and 88.7 MB in the end (delta: 653.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 462.55 ms. Allocated memory is still 111.1 MB. Free memory was 88.6 MB in the beginning and 77.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 1256.05 ms. Allocated memory is still 111.1 MB. Free memory was 77.5 MB in the beginning and 62.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * Witness Printer took 38.83 ms. Allocated memory is still 111.1 MB. Free memory was 62.1 MB in the beginning and 60.0 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...