./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark07_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_08e08f4b-314f-4e34-9607-0b85eaaa800d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_08e08f4b-314f-4e34-9607-0b85eaaa800d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_08e08f4b-314f-4e34-9607-0b85eaaa800d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_08e08f4b-314f-4e34-9607-0b85eaaa800d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark07_linear.i -s /tmp/vcloud-vcloud-master/worker/run_dir_08e08f4b-314f-4e34-9607-0b85eaaa800d/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_08e08f4b-314f-4e34-9607-0b85eaaa800d/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 32bit --witnessprinter.graph.data.programhash 80b527022d9b36e61193ad6d068e68d29260bb67 ...................................................................................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-01 16:25:23,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:25:23,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:25:24,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:25:24,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:25:24,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:25:24,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:25:24,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:25:24,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:25:24,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:25:24,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:25:24,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:25:24,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:25:24,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:25:24,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:25:24,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:25:24,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:25:24,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:25:24,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:25:24,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:25:24,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:25:24,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:25:24,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:25:24,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:25:24,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:25:24,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:25:24,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:25:24,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:25:24,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:25:24,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:25:24,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:25:24,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:25:24,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:25:24,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:25:24,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:25:24,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:25:24,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:25:24,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:25:24,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:25:24,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:25:24,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:25:24,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_08e08f4b-314f-4e34-9607-0b85eaaa800d/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-12-01 16:25:24,198 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:25:24,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:25:24,200 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:25:24,200 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:25:24,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:25:24,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:25:24,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:25:24,201 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:25:24,202 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:25:24,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:25:24,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:25:24,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:25:24,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:25:24,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:25:24,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:25:24,203 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 16:25:24,204 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:25:24,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:25:24,204 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:25:24,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:25:24,205 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:25:24,205 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:25:24,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:25:24,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:25:24,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:25:24,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:25:24,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:25:24,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:25:24,207 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:25:24,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:25:24,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:25:24,208 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_08e08f4b-314f-4e34-9607-0b85eaaa800d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_08e08f4b-314f-4e34-9607-0b85eaaa800d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80b527022d9b36e61193ad6d068e68d29260bb67 [2020-12-01 16:25:24,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:25:24,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:25:24,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:25:24,538 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:25:24,539 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:25:24,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_08e08f4b-314f-4e34-9607-0b85eaaa800d/bin/ukojak/../../sv-benchmarks/c/loop-zilu/benchmark07_linear.i [2020-12-01 16:25:24,604 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_08e08f4b-314f-4e34-9607-0b85eaaa800d/bin/ukojak/data/f5b6142d9/a8b84c09d6034b9ab6eea6e42720ccb9/FLAG0d822f1de [2020-12-01 16:25:25,099 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:25:25,099 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_08e08f4b-314f-4e34-9607-0b85eaaa800d/sv-benchmarks/c/loop-zilu/benchmark07_linear.i [2020-12-01 16:25:25,106 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_08e08f4b-314f-4e34-9607-0b85eaaa800d/bin/ukojak/data/f5b6142d9/a8b84c09d6034b9ab6eea6e42720ccb9/FLAG0d822f1de [2020-12-01 16:25:25,477 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_08e08f4b-314f-4e34-9607-0b85eaaa800d/bin/ukojak/data/f5b6142d9/a8b84c09d6034b9ab6eea6e42720ccb9 [2020-12-01 16:25:25,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:25:25,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:25:25,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:25:25,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:25:25,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:25:25,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:25:25" (1/1) ... [2020-12-01 16:25:25,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45cfd20a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:25, skipping insertion in model container [2020-12-01 16:25:25,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:25:25" (1/1) ... [2020-12-01 16:25:25,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:25:25,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:25:25,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:25:25,719 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:25:25,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:25:25,766 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:25:25,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:25 WrapperNode [2020-12-01 16:25:25,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:25:25,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:25:25,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:25:25,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:25:25,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:25" (1/1) ... [2020-12-01 16:25:25,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:25" (1/1) ... [2020-12-01 16:25:25,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:25:25,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:25:25,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:25:25,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:25:25,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:25" (1/1) ... [2020-12-01 16:25:25,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:25" (1/1) ... [2020-12-01 16:25:25,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:25" (1/1) ... [2020-12-01 16:25:25,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:25" (1/1) ... [2020-12-01 16:25:25,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:25" (1/1) ... [2020-12-01 16:25:25,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:25" (1/1) ... [2020-12-01 16:25:25,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:25" (1/1) ... [2020-12-01 16:25:25,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:25:25,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:25:25,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:25:25,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:25:25,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_08e08f4b-314f-4e34-9607-0b85eaaa800d/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 [2020-12-01 16:25:25,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:25:25,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:25:25,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:25:25,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:25:26,264 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:25:26,264 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 16:25:26,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:25:26 BoogieIcfgContainer [2020-12-01 16:25:26,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:25:26,268 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:25:26,268 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:25:26,281 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:25:26,281 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:25:26" (1/1) ... [2020-12-01 16:25:26,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:25:26,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:26,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2020-12-01 16:25:26,369 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2020-12-01 16:25:26,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:25:26,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:26,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:26,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:26,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2020-12-01 16:25:26,735 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2020-12-01 16:25:26,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:25:26,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:26,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:26,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:26,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2020-12-01 16:25:26,842 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2020-12-01 16:25:26,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:25:26,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:25:26,878 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:25:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:25:26,899 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:25:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:25:26,948 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:25:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:25:26,959 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:25:26,981 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2020-12-01 16:25:27,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:25:27 ImpRootNode [2020-12-01 16:25:27,017 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:25:27,019 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:25:27,019 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:25:27,020 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:25:27,020 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:25:26" (3/4) ... [2020-12-01 16:25:27,022 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:25:27,073 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_08e08f4b-314f-4e34-9607-0b85eaaa800d/bin/ukojak/witness.graphml [2020-12-01 16:25:27,073 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:25:27,077 INFO L168 Benchmark]: Toolchain (without parser) took 1593.61 ms. Allocated memory was 104.9 MB in the beginning and 144.7 MB in the end (delta: 39.8 MB). Free memory was 77.0 MB in the beginning and 74.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 40.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:25:27,078 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 104.9 MB. Free memory is still 63.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:25:27,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.03 ms. Allocated memory was 104.9 MB in the beginning and 144.7 MB in the end (delta: 39.8 MB). Free memory was 77.0 MB in the beginning and 121.6 MB in the end (delta: -44.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:25:27,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.82 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 119.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:25:27,081 INFO L168 Benchmark]: Boogie Preprocessor took 34.54 ms. Allocated memory is still 144.7 MB. Free memory was 119.9 MB in the beginning and 119.0 MB in the end (delta: 911.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:25:27,082 INFO L168 Benchmark]: RCFGBuilder took 412.34 ms. Allocated memory is still 144.7 MB. Free memory was 119.0 MB in the beginning and 101.1 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:25:27,082 INFO L168 Benchmark]: CodeCheck took 749.46 ms. Allocated memory is still 144.7 MB. Free memory was 101.1 MB in the beginning and 75.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:25:27,083 INFO L168 Benchmark]: Witness Printer took 53.72 ms. Allocated memory is still 144.7 MB. Free memory was 75.9 MB in the beginning and 74.2 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:25:27,088 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, 18 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 8 SDslu, 12 SDs, 0 SdLazy, 30 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 75 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 28]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int i = __VERIFIER_nondet_int(); [L21] int n = __VERIFIER_nondet_int(); [L22] int k = __VERIFIER_nondet_int(); [L23] _Bool flag = __VERIFIER_nondet_bool(); [L24] i=0 [L25] COND FALSE !(!(n>0 && n<10)) [L26] COND TRUE i