./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN --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 7b0bfaa6c7d811996f5b33ad0f1c15286336df1e708489ed8126c9dce2c34f22 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:39:46,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:39:46,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:39:46,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:39:46,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:39:46,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:39:46,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:39:46,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:39:46,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:39:46,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:39:46,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:39:46,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:39:46,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:39:46,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:39:46,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:39:46,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:39:46,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:39:46,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:39:46,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:39:46,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:39:46,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:39:46,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:39:46,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:39:46,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:39:46,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:39:46,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:39:46,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:39:46,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:39:46,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:39:46,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:39:46,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:39:46,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:39:46,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:39:46,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:39:46,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:39:46,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:39:46,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:39:46,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:39:46,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:39:46,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:39:46,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:39:46,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 06:39:46,268 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:39:46,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:39:46,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:39:46,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:39:46,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:39:46,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:39:46,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:39:46,272 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:39:46,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:39:46,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:39:46,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:39:46,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:39:46,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:39:46,274 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 06:39:46,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:39:46,275 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:39:46,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:39:46,276 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:39:46,276 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:39:46,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:39:46,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:39:46,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:39:46,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:39:46,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:39:46,279 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:39:46,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:39:46,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:39:46,280 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_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b0bfaa6c7d811996f5b33ad0f1c15286336df1e708489ed8126c9dce2c34f22 [2021-11-21 06:39:46,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:39:46,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:39:46,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:39:46,603 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:39:46,604 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:39:46,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-1.c [2021-11-21 06:39:46,684 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN/data/456454e97/75e80142ab504fdc915c8d16e958509e/FLAG0c29d6a1e [2021-11-21 06:39:47,118 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:39:47,119 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-1.c [2021-11-21 06:39:47,140 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN/data/456454e97/75e80142ab504fdc915c8d16e958509e/FLAG0c29d6a1e [2021-11-21 06:39:47,529 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN/data/456454e97/75e80142ab504fdc915c8d16e958509e [2021-11-21 06:39:47,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:39:47,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:39:47,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:39:47,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:39:47,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:39:47,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:47" (1/1) ... [2021-11-21 06:39:47,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c3751c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:47, skipping insertion in model container [2021-11-21 06:39:47,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:47" (1/1) ... [2021-11-21 06:39:47,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:39:47,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:39:47,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:39:47,754 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:39:47,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:39:47,778 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:39:47,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:47 WrapperNode [2021-11-21 06:39:47,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:39:47,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:39:47,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:39:47,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:39:47,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:47" (1/1) ... [2021-11-21 06:39:47,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:47" (1/1) ... [2021-11-21 06:39:47,820 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2021-11-21 06:39:47,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:39:47,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:39:47,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:39:47,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:39:47,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:47" (1/1) ... [2021-11-21 06:39:47,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:47" (1/1) ... [2021-11-21 06:39:47,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:47" (1/1) ... [2021-11-21 06:39:47,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:47" (1/1) ... [2021-11-21 06:39:47,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:47" (1/1) ... [2021-11-21 06:39:47,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:47" (1/1) ... [2021-11-21 06:39:47,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:47" (1/1) ... [2021-11-21 06:39:47,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:39:47,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:39:47,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:39:47,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:39:47,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:47" (1/1) ... [2021-11-21 06:39:47,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:39:47,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:39:47,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:39:47,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:39:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:39:47,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:39:48,019 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:39:48,020 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:39:48,134 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:39:48,154 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:39:48,155 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 06:39:48,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:48 BoogieIcfgContainer [2021-11-21 06:39:48,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:39:48,158 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:39:48,159 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:39:48,176 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:39:48,176 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:48" (1/1) ... [2021-11-21 06:39:48,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:39:48,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:48,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-11-21 06:39:48,241 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-11-21 06:39:48,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 06:39:48,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:48,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:39:48,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:39:48,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:39:48,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-21 06:39:48,390 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-21 06:39:48,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:39:48,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:39:48,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:39:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 06:39:48,399 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 06:39:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 06:39:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 06:39:48,428 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 06:39:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 06:39:48,439 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-11-21 06:39:48,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:39:48 ImpRootNode [2021-11-21 06:39:48,464 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 06:39:48,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 06:39:48,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 06:39:48,465 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 06:39:48,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:48" (3/4) ... [2021-11-21 06:39:48,468 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-21 06:39:48,504 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 06:39:48,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 06:39:48,506 INFO L158 Benchmark]: Toolchain (without parser) took 970.74ms. Allocated memory is still 109.1MB. Free memory was 72.6MB in the beginning and 59.9MB in the end (delta: 12.7MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2021-11-21 06:39:48,507 INFO L158 Benchmark]: CDTParser took 1.49ms. Allocated memory is still 109.1MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:39:48,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.48ms. Allocated memory is still 109.1MB. Free memory was 72.4MB in the beginning and 85.9MB in the end (delta: -13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 06:39:48,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.18ms. Allocated memory is still 109.1MB. Free memory was 85.9MB in the beginning and 84.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:39:48,511 INFO L158 Benchmark]: Boogie Preprocessor took 35.75ms. Allocated memory is still 109.1MB. Free memory was 84.5MB in the beginning and 83.9MB in the end (delta: 617.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:39:48,512 INFO L158 Benchmark]: RCFGBuilder took 297.23ms. Allocated memory is still 109.1MB. Free memory was 83.9MB in the beginning and 74.4MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 06:39:48,513 INFO L158 Benchmark]: CodeCheck took 305.65ms. Allocated memory is still 109.1MB. Free memory was 74.4MB in the beginning and 61.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 06:39:48,514 INFO L158 Benchmark]: Witness Printer took 40.09ms. Allocated memory is still 109.1MB. Free memory was 61.5MB in the beginning and 59.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:39:48,521 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, 7 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 20]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int x, b; [L16] x = __VERIFIER_nondet_int() [L17] b = __VERIFIER_nondet_int() [L18] COND TRUE b != 0 [L19] b = __VERIFIER_nondet_int() [L20] x - 1 VAL [b=0, x=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49ms. Allocated memory is still 109.1MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.48ms. Allocated memory is still 109.1MB. Free memory was 72.4MB in the beginning and 85.9MB in the end (delta: -13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.18ms. Allocated memory is still 109.1MB. Free memory was 85.9MB in the beginning and 84.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.75ms. Allocated memory is still 109.1MB. Free memory was 84.5MB in the beginning and 83.9MB in the end (delta: 617.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.23ms. Allocated memory is still 109.1MB. Free memory was 83.9MB in the beginning and 74.4MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 305.65ms. Allocated memory is still 109.1MB. Free memory was 74.4MB in the beginning and 61.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 40.09ms. Allocated memory is still 109.1MB. Free memory was 61.5MB in the beginning and 59.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-21 06:39:48,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68b7b84-7ba6-4fa2-8549-533c449486e6/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)