./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ --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 70d19402e1755e0ea53ceb2fd6f9ed7e06eff75daf602cd0875025b12c901393 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:40:48,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:40:48,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:40:48,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:40:48,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:40:48,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:40:48,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:40:48,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:40:48,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:40:48,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:40:48,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:40:48,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:40:48,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:40:48,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:40:48,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:40:48,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:40:48,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:40:48,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:40:48,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:40:48,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:40:48,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:40:48,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:40:48,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:40:48,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:40:48,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:40:48,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:40:48,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:40:48,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:40:48,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:40:48,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:40:48,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:40:48,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:40:48,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:40:48,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:40:48,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:40:48,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:40:48,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:40:48,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:40:48,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:40:48,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:40:48,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:40:48,200 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:40:48,238 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:40:48,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:40:48,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:40:48,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:40:48,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:40:48,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:40:48,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:40:48,241 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:40:48,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:40:48,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:40:48,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:40:48,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:40:48,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:40:48,243 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:40:48,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:40:48,243 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:40:48,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:40:48,244 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:40:48,244 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:40:48,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:40:48,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:40:48,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:40:48,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:40:48,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:40:48,245 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:40:48,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:40:48,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:40:48,245 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_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70d19402e1755e0ea53ceb2fd6f9ed7e06eff75daf602cd0875025b12c901393 [2022-11-20 16:40:48,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:40:48,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:40:48,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:40:48,579 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:40:48,579 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:40:48,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i [2022-11-20 16:40:51,660 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:40:52,114 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:40:52,114 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i [2022-11-20 16:40:52,146 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/data/56f035d8c/064bbad05b6448bb9b2071f6ea6edb9a/FLAGf16fd7803 [2022-11-20 16:40:52,170 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/data/56f035d8c/064bbad05b6448bb9b2071f6ea6edb9a [2022-11-20 16:40:52,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:40:52,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:40:52,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:40:52,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:40:52,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:40:52,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:52" (1/1) ... [2022-11-20 16:40:52,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d18836d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:52, skipping insertion in model container [2022-11-20 16:40:52,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:52" (1/1) ... [2022-11-20 16:40:52,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:40:52,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:40:52,660 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:40:53,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:40:53,308 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:40:53,342 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:40:53,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:40:53,585 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:40:53,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:53 WrapperNode [2022-11-20 16:40:53,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:40:53,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:40:53,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:40:53,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:40:53,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:53" (1/1) ... [2022-11-20 16:40:53,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:53" (1/1) ... [2022-11-20 16:40:53,687 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-11-20 16:40:53,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:40:53,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:40:53,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:40:53,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:40:53,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:53" (1/1) ... [2022-11-20 16:40:53,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:53" (1/1) ... [2022-11-20 16:40:53,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:53" (1/1) ... [2022-11-20 16:40:53,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:53" (1/1) ... [2022-11-20 16:40:53,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:53" (1/1) ... [2022-11-20 16:40:53,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:53" (1/1) ... [2022-11-20 16:40:53,740 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:53" (1/1) ... [2022-11-20 16:40:53,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:53" (1/1) ... [2022-11-20 16:40:53,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:40:53,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:40:53,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:40:53,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:40:53,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:53" (1/1) ... [2022-11-20 16:40:53,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:40:53,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:40:53,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:40:53,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:40:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:40:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:40:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:40:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:40:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:40:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:40:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:40:54,058 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:40:54,067 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:40:54,306 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:40:54,403 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:40:54,404 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:40:54,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:54 BoogieIcfgContainer [2022-11-20 16:40:54,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:40:54,407 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:40:54,408 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:40:54,429 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:40:54,429 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:54" (1/1) ... [2022-11-20 16:40:54,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:40:54,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:54,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-20 16:40:54,509 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-20 16:40:54,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:40:54,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:54,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:40:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:40:55,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:40:55,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-20 16:40:55,157 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-20 16:40:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:40:55,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:40:55,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:40:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:40:55,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:40:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:40:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:40:55,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:40:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:40:55,398 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 16:40:55,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:40:55 ImpRootNode [2022-11-20 16:40:55,443 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:40:55,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:40:55,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:40:55,444 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:40:55,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:54" (3/4) ... [2022-11-20 16:40:55,448 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 16:40:55,448 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:40:55,449 INFO L158 Benchmark]: Toolchain (without parser) took 3273.03ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 121.3MB in the beginning and 138.4MB in the end (delta: -17.1MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-11-20 16:40:55,450 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 72.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:40:55,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1406.78ms. Allocated memory is still 155.2MB. Free memory was 121.1MB in the beginning and 115.1MB in the end (delta: 6.0MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2022-11-20 16:40:55,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.47ms. Allocated memory is still 155.2MB. Free memory was 115.1MB in the beginning and 111.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:40:55,452 INFO L158 Benchmark]: Boogie Preprocessor took 54.50ms. Allocated memory is still 155.2MB. Free memory was 111.6MB in the beginning and 110.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:40:55,453 INFO L158 Benchmark]: RCFGBuilder took 662.01ms. Allocated memory is still 155.2MB. Free memory was 110.3MB in the beginning and 89.9MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 16:40:55,453 INFO L158 Benchmark]: CodeCheck took 1035.99ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 89.9MB in the beginning and 138.4MB in the end (delta: -48.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:40:55,454 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 186.6MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:40:55,457 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 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 4 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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 - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1556, overapproximation of bitwiseAnd at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={14:13}, argv={14:13}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1570] CALL CWE191_Integer_Underflow__int_rand_sub_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=0, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1561] data - 1 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=0, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 72.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1406.78ms. Allocated memory is still 155.2MB. Free memory was 121.1MB in the beginning and 115.1MB in the end (delta: 6.0MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.47ms. Allocated memory is still 155.2MB. Free memory was 115.1MB in the beginning and 111.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.50ms. Allocated memory is still 155.2MB. Free memory was 111.6MB in the beginning and 110.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 662.01ms. Allocated memory is still 155.2MB. Free memory was 110.3MB in the beginning and 89.9MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 1035.99ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 89.9MB in the beginning and 138.4MB in the end (delta: -48.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 186.6MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 16:40:55,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ --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 70d19402e1755e0ea53ceb2fd6f9ed7e06eff75daf602cd0875025b12c901393 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:40:58,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:40:58,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:40:58,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:40:58,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:40:58,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:40:58,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:40:58,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:40:58,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:40:58,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:40:58,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:40:58,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:40:58,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:40:58,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:40:58,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:40:58,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:40:58,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:40:58,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:40:58,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:40:58,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:40:58,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:40:58,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:40:58,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:40:58,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:40:58,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:40:58,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:40:58,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:40:58,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:40:58,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:40:58,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:40:58,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:40:58,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:40:58,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:40:58,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:40:58,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:40:58,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:40:58,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:40:58,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:40:58,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:40:58,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:40:58,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:40:58,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 16:40:58,299 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:40:58,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:40:58,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:40:58,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:40:58,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:40:58,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:40:58,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:40:58,303 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:40:58,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:40:58,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:40:58,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:40:58,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:40:58,305 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:40:58,305 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:40:58,305 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:40:58,306 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:40:58,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:40:58,306 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:40:58,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:40:58,306 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:40:58,307 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:40:58,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:40:58,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:40:58,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:40:58,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:40:58,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:40:58,308 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:40:58,308 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:40:58,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:40:58,308 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:40:58,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:40:58,309 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70d19402e1755e0ea53ceb2fd6f9ed7e06eff75daf602cd0875025b12c901393 [2022-11-20 16:40:58,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:40:58,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:40:58,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:40:58,725 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:40:58,726 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:40:58,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i [2022-11-20 16:41:01,813 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:41:02,201 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:41:02,206 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_04_bad.i [2022-11-20 16:41:02,243 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/data/f2c604d6c/e74cbe71158b457abdf822b7ff05c08f/FLAG276468287 [2022-11-20 16:41:02,397 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7f9e85-50a9-44bb-9cc8-46ef21a5dbc4/bin/ukojak-pZX7IvK2PQ/data/f2c604d6c/e74cbe71158b457abdf822b7ff05c08f [2022-11-20 16:41:02,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:41:02,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:41:02,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:41:02,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:41:02,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:41:02,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:41:02" (1/1) ... [2022-11-20 16:41:02,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1897bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:02, skipping insertion in model container [2022-11-20 16:41:02,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:41:02" (1/1) ... [2022-11-20 16:41:02,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:41:02,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:41:02,969 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:41:03,312 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 16:41:03,320 INFO L158 Benchmark]: Toolchain (without parser) took 917.07ms. Allocated memory is still 86.0MB. Free memory was 66.0MB in the beginning and 50.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 16:41:03,321 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:41:03,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 912.34ms. Allocated memory is still 86.0MB. Free memory was 65.7MB in the beginning and 50.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 16:41:03,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 912.34ms. Allocated memory is still 86.0MB. Free memory was 65.7MB in the beginning and 50.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.