./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/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_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/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_ddd6449a-81b8-462e-8287-1083fa2f3fb6/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 90aa6c1ebc353e827c4144d5889d21bd353c41e4cd52414fcd72b08d0d8a7ec6 --- 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 16:31:06,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:31:06,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:31:06,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:31:06,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:31:06,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:31:06,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:31:06,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:31:06,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:31:07,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:31:07,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:31:07,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:31:07,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:31:07,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:31:07,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:31:07,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:31:07,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:31:07,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:31:07,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:31:07,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:31:07,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:31:07,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:31:07,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:31:07,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:31:07,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:31:07,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:31:07,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:31:07,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:31:07,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:31:07,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:31:07,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:31:07,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:31:07,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:31:07,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:31:07,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:31:07,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:31:07,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:31:07,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:31:07,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:31:07,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:31:07,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:31:07,043 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:31:07,077 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:31:07,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:31:07,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:31:07,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:31:07,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:31:07,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:31:07,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:31:07,083 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:31:07,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:31:07,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:31:07,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:31:07,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:31:07,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:31:07,086 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:31:07,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:31:07,087 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:31:07,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:31:07,087 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:31:07,087 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:31:07,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:31:07,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:31:07,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:31:07,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:31:07,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:31:07,089 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:31:07,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:31:07,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:31:07,090 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_ddd6449a-81b8-462e-8287-1083fa2f3fb6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90aa6c1ebc353e827c4144d5889d21bd353c41e4cd52414fcd72b08d0d8a7ec6 [2022-11-20 16:31:07,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:31:07,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:31:07,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:31:07,497 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:31:07,498 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:31:07,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i [2022-11-20 16:31:10,809 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:31:11,273 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:31:11,275 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i [2022-11-20 16:31:11,315 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/data/b71770ebc/4d276596a0484526bc8411597a073f31/FLAGe53b8607e [2022-11-20 16:31:11,337 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/data/b71770ebc/4d276596a0484526bc8411597a073f31 [2022-11-20 16:31:11,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:31:11,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:31:11,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:31:11,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:31:11,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:31:11,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:31:11" (1/1) ... [2022-11-20 16:31:11,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@643d0859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:11, skipping insertion in model container [2022-11-20 16:31:11,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:31:11" (1/1) ... [2022-11-20 16:31:11,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:31:11,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:31:11,986 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:31:12,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:31:12,767 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:31:12,800 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:31:12,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:31:13,076 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:31:13,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:13 WrapperNode [2022-11-20 16:31:13,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:31:13,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:31:13,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:31:13,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:31:13,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:13" (1/1) ... [2022-11-20 16:31:13,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:13" (1/1) ... [2022-11-20 16:31:13,176 INFO L138 Inliner]: procedures = 499, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2022-11-20 16:31:13,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:31:13,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:31:13,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:31:13,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:31:13,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:13" (1/1) ... [2022-11-20 16:31:13,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:13" (1/1) ... [2022-11-20 16:31:13,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:13" (1/1) ... [2022-11-20 16:31:13,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:13" (1/1) ... [2022-11-20 16:31:13,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:13" (1/1) ... [2022-11-20 16:31:13,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:13" (1/1) ... [2022-11-20 16:31:13,219 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:13" (1/1) ... [2022-11-20 16:31:13,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:13" (1/1) ... [2022-11-20 16:31:13,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:31:13,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:31:13,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:31:13,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:31:13,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:13" (1/1) ... [2022-11-20 16:31:13,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:31:13,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:31:13,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:31:13,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:31:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:31:13,335 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:31:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:31:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:31:13,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:31:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:31:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:31:13,526 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:31:13,529 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:31:13,885 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:31:13,958 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:31:13,959 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:31:13,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:31:13 BoogieIcfgContainer [2022-11-20 16:31:13,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:31:13,963 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:31:13,964 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:31:13,977 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:31:13,978 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:31:13" (1/1) ... [2022-11-20 16:31:13,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:31:14,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:31:14,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-11-20 16:31:14,069 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-11-20 16:31:14,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:31:14,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:31:14,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:31:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:31:14,796 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 16:31:14,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:31:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2022-11-20 16:31:14,918 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2022-11-20 16:31:14,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:31:14,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:31:14,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:31:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:31:15,011 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 16:31:15,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:31:15,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 20 transitions. [2022-11-20 16:31:15,047 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-20 16:31:15,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:31:15,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:31:15,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:31:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:31:15,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:31:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:31:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:31:15,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:31:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:31:15,312 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-11-20 16:31:15,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:31:15 ImpRootNode [2022-11-20 16:31:15,368 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:31:15,369 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:31:15,369 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:31:15,369 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:31:15,370 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:31:13" (3/4) ... [2022-11-20 16:31:15,374 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 16:31:15,374 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:31:15,376 INFO L158 Benchmark]: Toolchain (without parser) took 4028.81ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 103.5MB in the beginning and 100.2MB in the end (delta: 3.3MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2022-11-20 16:31:15,376 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 111.1MB. Free memory was 85.0MB in the beginning and 84.9MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:31:15,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1727.73ms. Allocated memory is still 146.8MB. Free memory was 103.0MB in the beginning and 93.0MB in the end (delta: 10.0MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2022-11-20 16:31:15,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.82ms. Allocated memory is still 146.8MB. Free memory was 93.0MB in the beginning and 90.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:31:15,379 INFO L158 Benchmark]: Boogie Preprocessor took 47.34ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 88.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:31:15,379 INFO L158 Benchmark]: RCFGBuilder took 737.28ms. Allocated memory is still 146.8MB. Free memory was 88.0MB in the beginning and 69.9MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 16:31:15,380 INFO L158 Benchmark]: CodeCheck took 1404.71ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 69.9MB in the beginning and 100.2MB in the end (delta: -30.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:31:15,381 INFO L158 Benchmark]: Witness Printer took 5.89ms. Allocated memory is still 176.2MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:31:15,385 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 29 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 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 - UnprovableResult [Line: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1555, overapproximation of bitwiseAnd at line 1555. 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); [L1578] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={14:12}, argv={14:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_rand_postdec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1563] case 7: [L1565] data-- VAL [data=-2147483648, 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 111.1MB. Free memory was 85.0MB in the beginning and 84.9MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1727.73ms. Allocated memory is still 146.8MB. Free memory was 103.0MB in the beginning and 93.0MB in the end (delta: 10.0MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.82ms. Allocated memory is still 146.8MB. Free memory was 93.0MB in the beginning and 90.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.34ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 88.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 737.28ms. Allocated memory is still 146.8MB. Free memory was 88.0MB in the beginning and 69.9MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1404.71ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 69.9MB in the beginning and 100.2MB in the end (delta: -30.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.89ms. Allocated memory is still 176.2MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 16:31:15,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/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_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/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_ddd6449a-81b8-462e-8287-1083fa2f3fb6/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 90aa6c1ebc353e827c4144d5889d21bd353c41e4cd52414fcd72b08d0d8a7ec6 --- 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 16:31:18,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:31:18,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:31:18,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:31:18,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:31:18,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:31:18,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:31:18,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:31:18,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:31:18,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:31:18,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:31:18,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:31:18,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:31:18,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:31:18,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:31:18,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:31:18,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:31:18,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:31:18,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:31:18,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:31:18,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:31:18,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:31:18,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:31:18,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:31:18,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:31:18,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:31:18,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:31:18,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:31:18,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:31:18,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:31:18,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:31:18,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:31:18,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:31:18,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:31:18,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:31:18,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:31:18,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:31:18,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:31:18,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:31:18,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:31:18,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:31:18,462 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 16:31:18,488 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:31:18,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:31:18,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:31:18,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:31:18,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:31:18,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:31:18,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:31:18,492 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:31:18,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:31:18,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:31:18,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:31:18,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:31:18,493 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:31:18,493 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:31:18,494 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:31:18,494 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:31:18,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:31:18,494 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:31:18,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:31:18,495 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:31:18,495 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:31:18,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:31:18,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:31:18,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:31:18,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:31:18,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:31:18,497 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:31:18,497 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:31:18,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:31:18,498 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:31:18,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:31:18,498 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_ddd6449a-81b8-462e-8287-1083fa2f3fb6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90aa6c1ebc353e827c4144d5889d21bd353c41e4cd52414fcd72b08d0d8a7ec6 [2022-11-20 16:31:18,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:31:19,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:31:19,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:31:19,034 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:31:19,035 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:31:19,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i [2022-11-20 16:31:22,513 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:31:23,086 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:31:23,087 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i [2022-11-20 16:31:23,124 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/data/173f5d658/a19b3e8c77ca47f6b628981eecc7493e/FLAGb191b3284 [2022-11-20 16:31:23,153 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd6449a-81b8-462e-8287-1083fa2f3fb6/bin/ukojak-pZX7IvK2PQ/data/173f5d658/a19b3e8c77ca47f6b628981eecc7493e [2022-11-20 16:31:23,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:31:23,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:31:23,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:31:23,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:31:23,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:31:23,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:31:23" (1/1) ... [2022-11-20 16:31:23,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e682364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:23, skipping insertion in model container [2022-11-20 16:31:23,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:31:23" (1/1) ... [2022-11-20 16:31:23,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:31:23,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:31:23,806 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:31:24,058 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 16:31:24,065 INFO L158 Benchmark]: Toolchain (without parser) took 904.40ms. Allocated memory is still 77.6MB. Free memory was 33.4MB in the beginning and 44.6MB in the end (delta: -11.2MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2022-11-20 16:31:24,066 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 77.6MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:31:24,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 896.76ms. Allocated memory is still 77.6MB. Free memory was 33.2MB in the beginning and 44.6MB in the end (delta: -11.4MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2022-11-20 16:31:24,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 77.6MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 896.76ms. Allocated memory is still 77.6MB. Free memory was 33.2MB in the beginning and 44.6MB in the end (delta: -11.4MB). Peak memory consumption was 6.9MB. 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.