./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_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_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/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_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/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_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/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 f4c140b8546fb24524e8a961a0c3bbe100d764893c615811095174f9c1358afc --- 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 17:34:21,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:34:21,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:34:21,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:34:21,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:34:21,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:34:21,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:34:21,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:34:21,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:34:21,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:34:21,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:34:21,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:34:21,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:34:21,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:34:21,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:34:21,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:34:21,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:34:21,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:34:21,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:34:21,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:34:21,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:34:21,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:34:21,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:34:21,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:34:21,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:34:21,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:34:21,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:34:21,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:34:21,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:34:21,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:34:21,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:34:21,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:34:21,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:34:21,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:34:21,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:34:21,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:34:21,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:34:21,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:34:21,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:34:21,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:34:21,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:34:21,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:34:21,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:34:21,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:34:21,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:34:21,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:34:21,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:34:21,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:34:21,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:34:21,192 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:34:21,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:34:21,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:34:21,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:34:21,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:34:21,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:34:21,194 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:34:21,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:34:21,194 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:34:21,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:34:21,195 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:34:21,195 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:34:21,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:34:21,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:34:21,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:34:21,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:34:21,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:34:21,196 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:34:21,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:34:21,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:34:21,197 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_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4c140b8546fb24524e8a961a0c3bbe100d764893c615811095174f9c1358afc [2022-11-20 17:34:21,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:34:21,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:34:21,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:34:21,534 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:34:21,535 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:34:21,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i [2022-11-20 17:34:24,692 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:34:25,068 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:34:25,069 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i [2022-11-20 17:34:25,098 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ/data/dda20547e/c380940aec994fcd84ea20871dc08235/FLAG2a4854f1e [2022-11-20 17:34:25,114 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ/data/dda20547e/c380940aec994fcd84ea20871dc08235 [2022-11-20 17:34:25,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:34:25,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:34:25,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:34:25,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:34:25,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:34:25,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:34:25" (1/1) ... [2022-11-20 17:34:25,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5deb7908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:25, skipping insertion in model container [2022-11-20 17:34:25,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:34:25" (1/1) ... [2022-11-20 17:34:25,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:34:25,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:34:25,637 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:34:26,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:34:26,203 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:34:26,244 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:34:26,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:34:26,525 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:34:26,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:26 WrapperNode [2022-11-20 17:34:26,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:34:26,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:34:26,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:34:26,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:34:26,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:26" (1/1) ... [2022-11-20 17:34:26,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:26" (1/1) ... [2022-11-20 17:34:26,606 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-11-20 17:34:26,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:34:26,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:34:26,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:34:26,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:34:26,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:26" (1/1) ... [2022-11-20 17:34:26,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:26" (1/1) ... [2022-11-20 17:34:26,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:26" (1/1) ... [2022-11-20 17:34:26,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:26" (1/1) ... [2022-11-20 17:34:26,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:26" (1/1) ... [2022-11-20 17:34:26,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:26" (1/1) ... [2022-11-20 17:34:26,658 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:26" (1/1) ... [2022-11-20 17:34:26,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:26" (1/1) ... [2022-11-20 17:34:26,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:34:26,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:34:26,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:34:26,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:34:26,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:26" (1/1) ... [2022-11-20 17:34:26,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:34:26,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:34:26,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:34:26,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:34:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:34:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:34:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:34:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:34:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:34:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:34:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:34:26,990 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:34:26,993 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:34:27,129 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:34:27,277 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:34:27,281 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:34:27,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:34:27 BoogieIcfgContainer [2022-11-20 17:34:27,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:34:27,285 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:34:27,285 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:34:27,295 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:34:27,295 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:34:27" (1/1) ... [2022-11-20 17:34:27,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:34:27,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:27,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-20 17:34:27,388 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-20 17:34:27,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:34:27,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:27,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:28,010 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 17:34:28,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:28,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 14 transitions. [2022-11-20 17:34:28,081 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-20 17:34:28,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:34:28,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:28,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:34:28,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:34:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:34:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:34:28,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:34:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:34:28,245 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 17:34:28,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:34:28 ImpRootNode [2022-11-20 17:34:28,275 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:34:28,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:34:28,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:34:28,276 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:34:28,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:34:27" (3/4) ... [2022-11-20 17:34:28,280 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 17:34:28,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:34:28,281 INFO L158 Benchmark]: Toolchain (without parser) took 3162.49ms. Allocated memory is still 159.4MB. Free memory was 113.6MB in the beginning and 72.8MB in the end (delta: 40.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-20 17:34:28,282 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 121.6MB. Free memory was 88.8MB in the beginning and 88.8MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:34:28,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1406.12ms. Allocated memory is still 159.4MB. Free memory was 113.1MB in the beginning and 93.6MB in the end (delta: 19.5MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2022-11-20 17:34:28,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.62ms. Allocated memory is still 159.4MB. Free memory was 93.6MB in the beginning and 90.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:34:28,283 INFO L158 Benchmark]: Boogie Preprocessor took 70.00ms. Allocated memory is still 159.4MB. Free memory was 90.6MB in the beginning and 89.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:34:28,284 INFO L158 Benchmark]: RCFGBuilder took 606.08ms. Allocated memory is still 159.4MB. Free memory was 88.5MB in the beginning and 68.4MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:34:28,285 INFO L158 Benchmark]: CodeCheck took 990.41ms. Allocated memory is still 159.4MB. Free memory was 68.4MB in the beginning and 72.8MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:34:28,285 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 159.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:34:28,288 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, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 8 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. 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); [L1568] 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}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 [L1559] 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, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 121.6MB. Free memory was 88.8MB in the beginning and 88.8MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1406.12ms. Allocated memory is still 159.4MB. Free memory was 113.1MB in the beginning and 93.6MB in the end (delta: 19.5MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.62ms. Allocated memory is still 159.4MB. Free memory was 93.6MB in the beginning and 90.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.00ms. Allocated memory is still 159.4MB. Free memory was 90.6MB in the beginning and 89.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 606.08ms. Allocated memory is still 159.4MB. Free memory was 88.5MB in the beginning and 68.4MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 990.41ms. Allocated memory is still 159.4MB. Free memory was 68.4MB in the beginning and 72.8MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 159.4MB. Free memory is still 72.8MB. 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 17:34:28,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/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_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/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_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/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_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/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 f4c140b8546fb24524e8a961a0c3bbe100d764893c615811095174f9c1358afc --- 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 17:34:30,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:34:30,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:34:30,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:34:30,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:34:30,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:34:30,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:34:30,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:34:30,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:34:30,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:34:30,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:34:30,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:34:30,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:34:30,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:34:30,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:34:30,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:34:30,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:34:30,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:34:30,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:34:30,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:34:30,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:34:30,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:34:30,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:34:30,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:34:30,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:34:30,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:34:30,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:34:30,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:34:30,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:34:30,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:34:30,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:34:30,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:34:30,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:34:30,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:34:30,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:34:30,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:34:30,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:34:30,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:34:30,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:34:30,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:34:30,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:34:30,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 17:34:30,852 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:34:30,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:34:30,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:34:30,855 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:34:30,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:34:30,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:34:30,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:34:30,857 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:34:30,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:34:30,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:34:30,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:34:30,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:34:30,859 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:34:30,859 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:34:30,859 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:34:30,859 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:34:30,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:34:30,860 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:34:30,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:34:30,860 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:34:30,860 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:34:30,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:34:30,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:34:30,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:34:30,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:34:30,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:34:30,862 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:34:30,862 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:34:30,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:34:30,862 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:34:30,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:34:30,863 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_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4c140b8546fb24524e8a961a0c3bbe100d764893c615811095174f9c1358afc [2022-11-20 17:34:31,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:34:31,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:34:31,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:34:31,290 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:34:31,291 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:34:31,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i [2022-11-20 17:34:34,400 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:34:34,834 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:34:34,835 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_13_bad.i [2022-11-20 17:34:34,871 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ/data/afe053c2e/a221b7ba4052426f9ffcf9cce5201787/FLAGfb4cc1212 [2022-11-20 17:34:34,892 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0181c7ef-a8b1-439e-9ca1-77c0af19e5e9/bin/ukojak-pZX7IvK2PQ/data/afe053c2e/a221b7ba4052426f9ffcf9cce5201787 [2022-11-20 17:34:34,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:34:34,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:34:34,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:34:34,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:34:34,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:34:34,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:34:34" (1/1) ... [2022-11-20 17:34:34,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d21136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:34, skipping insertion in model container [2022-11-20 17:34:34,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:34:34" (1/1) ... [2022-11-20 17:34:34,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:34:34,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:34:35,434 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:34:35,726 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 17:34:35,735 INFO L158 Benchmark]: Toolchain (without parser) took 835.28ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 55.8MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:34:35,736 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:34:35,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 832.77ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 55.8MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:34:35,740 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 832.77ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 55.8MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. 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.