./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg --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 529c5f153063cc5ff6c3961268cce7a1a9eb1b4894b5183b16333d385eaddca4 --- 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-b5237d8 [2022-11-21 23:53:32,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:53:32,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:53:32,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:53:32,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:53:32,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:53:32,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:53:32,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:53:32,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:53:32,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:53:32,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:53:32,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:53:32,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:53:32,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:53:32,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:53:32,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:53:32,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:53:32,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:53:32,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:53:32,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:53:32,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:53:32,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:53:32,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:53:32,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:53:32,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:53:32,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:53:32,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:53:32,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:53:32,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:53:32,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:53:32,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:53:32,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:53:32,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:53:32,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:53:32,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:53:32,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:53:32,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:53:32,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:53:32,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:53:32,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:53:32,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:53:32,862 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:53:32,900 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:53:32,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:53:32,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:53:32,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:53:32,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:53:32,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:53:32,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:53:32,902 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:53:32,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:53:32,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:53:32,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:53:32,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:53:32,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:53:32,903 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:53:32,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:53:32,903 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:53:32,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:53:32,904 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:53:32,904 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:53:32,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:53:32,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:53:32,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:53:32,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:53:32,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:53:32,905 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:53:32,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:53:32,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:53:32,905 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_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529c5f153063cc5ff6c3961268cce7a1a9eb1b4894b5183b16333d385eaddca4 [2022-11-21 23:53:33,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:53:33,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:53:33,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:53:33,272 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:53:33,272 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:53:33,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_22_bad.i [2022-11-21 23:53:36,226 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:53:36,655 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:53:36,658 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_22_bad.i [2022-11-21 23:53:36,682 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/data/4415e7d88/ccde871504984959b32996fa171679b2/FLAGcc1eee2e9 [2022-11-21 23:53:36,698 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/data/4415e7d88/ccde871504984959b32996fa171679b2 [2022-11-21 23:53:36,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:53:36,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:53:36,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:53:36,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:53:36,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:53:36,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:53:36" (1/1) ... [2022-11-21 23:53:36,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60526917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:53:36, skipping insertion in model container [2022-11-21 23:53:36,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:53:36" (1/1) ... [2022-11-21 23:53:36,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:53:36,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:53:37,191 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:53:37,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:53:37,721 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:53:37,763 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:53:37,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:53:38,005 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:53:38,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:53:38 WrapperNode [2022-11-21 23:53:38,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:53:38,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:53:38,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:53:38,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:53:38,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:53:38" (1/1) ... [2022-11-21 23:53:38,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:53:38" (1/1) ... [2022-11-21 23:53:38,089 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-11-21 23:53:38,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:53:38,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:53:38,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:53:38,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:53:38,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:53:38" (1/1) ... [2022-11-21 23:53:38,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:53:38" (1/1) ... [2022-11-21 23:53:38,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:53:38" (1/1) ... [2022-11-21 23:53:38,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:53:38" (1/1) ... [2022-11-21 23:53:38,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:53:38" (1/1) ... [2022-11-21 23:53:38,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:53:38" (1/1) ... [2022-11-21 23:53:38,118 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:53:38" (1/1) ... [2022-11-21 23:53:38,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:53:38" (1/1) ... [2022-11-21 23:53:38,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:53:38,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:53:38,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:53:38,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:53:38,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:53:38" (1/1) ... [2022-11-21 23:53:38,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:53:38,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:53:38,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:53:38,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:53:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:53:38,200 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:53:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:53:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:53:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:53:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:53:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:53:38,353 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:53:38,355 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:53:38,503 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:53:38,587 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:53:38,588 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:53:38,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:53:38 BoogieIcfgContainer [2022-11-21 23:53:38,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:53:38,591 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:53:38,591 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:53:38,601 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:53:38,602 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:53:38" (1/1) ... [2022-11-21 23:53:38,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:53:38,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:53:38,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-21 23:53:38,669 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-21 23:53:38,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:53:38,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:53:38,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:53:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:53:39,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:53:39,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:53:39,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-21 23:53:39,318 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-21 23:53:39,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:53:39,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:53:39,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:53:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:53:39,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:53:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:53:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:53:39,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:53:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:53:39,537 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-21 23:53:39,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:53:39 ImpRootNode [2022-11-21 23:53:39,592 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:53:39,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:53:39,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:53:39,593 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:53:39,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:53:38" (3/4) ... [2022-11-21 23:53:39,597 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 23:53:39,597 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:53:39,598 INFO L158 Benchmark]: Toolchain (without parser) took 2895.76ms. Allocated memory is still 172.0MB. Free memory was 132.8MB in the beginning and 108.1MB in the end (delta: 24.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2022-11-21 23:53:39,598 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 125.8MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:53:39,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1301.56ms. Allocated memory is still 172.0MB. Free memory was 132.8MB in the beginning and 87.0MB in the end (delta: 45.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-21 23:53:39,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.00ms. Allocated memory is still 172.0MB. Free memory was 87.0MB in the beginning and 84.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:53:39,600 INFO L158 Benchmark]: Boogie Preprocessor took 24.05ms. Allocated memory is still 172.0MB. Free memory was 84.0MB in the beginning and 82.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:53:39,601 INFO L158 Benchmark]: RCFGBuilder took 467.69ms. Allocated memory is still 172.0MB. Free memory was 82.0MB in the beginning and 63.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 23:53:39,601 INFO L158 Benchmark]: CodeCheck took 1000.55ms. Allocated memory is still 172.0MB. Free memory was 63.2MB in the beginning and 108.1MB in the end (delta: -44.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:53:39,602 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 172.0MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:53:39,605 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, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 8 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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: 1572]: 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); [L1548] int CWE191_Integer_Underflow__int_rand_predec_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_predec_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, argv={13:12}, argv={13:12}, CWE191_Integer_Underflow__int_rand_predec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_predec_22_bad() [L1552] int data; [L1553] data = 0 [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)) [L1555] CWE191_Integer_Underflow__int_rand_predec_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_predec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_predec_22_badGlobal) VAL [\old(data)=-2147483648, CWE191_Integer_Underflow__int_rand_predec_22_badGlobal=1, 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] [L1572] --data VAL [\old(data)=-2147483648, CWE191_Integer_Underflow__int_rand_predec_22_badGlobal=1, 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 0.46ms. Allocated memory is still 125.8MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1301.56ms. Allocated memory is still 172.0MB. Free memory was 132.8MB in the beginning and 87.0MB in the end (delta: 45.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.00ms. Allocated memory is still 172.0MB. Free memory was 87.0MB in the beginning and 84.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.05ms. Allocated memory is still 172.0MB. Free memory was 84.0MB in the beginning and 82.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.69ms. Allocated memory is still 172.0MB. Free memory was 82.0MB in the beginning and 63.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1000.55ms. Allocated memory is still 172.0MB. Free memory was 63.2MB in the beginning and 108.1MB in the end (delta: -44.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 172.0MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 23:53:39,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg --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 529c5f153063cc5ff6c3961268cce7a1a9eb1b4894b5183b16333d385eaddca4 --- 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-b5237d8 [2022-11-21 23:53:42,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:53:42,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:53:42,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:53:42,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:53:42,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:53:42,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:53:42,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:53:42,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:53:42,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:53:42,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:53:42,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:53:42,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:53:42,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:53:42,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:53:42,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:53:42,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:53:42,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:53:42,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:53:42,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:53:42,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:53:42,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:53:42,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:53:42,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:53:42,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:53:42,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:53:42,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:53:42,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:53:42,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:53:42,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:53:42,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:53:42,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:53:42,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:53:42,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:53:42,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:53:42,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:53:42,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:53:42,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:53:42,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:53:42,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:53:42,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:53:42,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 23:53:42,291 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:53:42,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:53:42,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:53:42,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:53:42,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:53:42,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:53:42,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:53:42,296 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:53:42,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:53:42,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:53:42,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:53:42,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:53:42,298 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:53:42,298 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:53:42,299 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:53:42,299 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:53:42,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:53:42,299 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:53:42,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:53:42,300 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:53:42,300 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:53:42,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:53:42,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:53:42,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:53:42,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:53:42,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:53:42,302 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:53:42,302 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:53:42,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:53:42,303 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:53:42,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:53:42,303 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_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529c5f153063cc5ff6c3961268cce7a1a9eb1b4894b5183b16333d385eaddca4 [2022-11-21 23:53:42,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:53:42,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:53:42,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:53:42,723 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:53:42,723 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:53:42,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_22_bad.i [2022-11-21 23:53:46,067 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:53:46,488 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:53:46,489 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_22_bad.i [2022-11-21 23:53:46,519 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/data/7431070c7/b97cec6e017a4171a3f01733f925564a/FLAG83a89d58d [2022-11-21 23:53:46,540 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2aa5f15-1da3-4aa6-8cdd-d8bc6b390d20/bin/ukojak-jW3SillKbg/data/7431070c7/b97cec6e017a4171a3f01733f925564a [2022-11-21 23:53:46,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:53:46,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:53:46,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:53:46,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:53:46,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:53:46,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:53:46" (1/1) ... [2022-11-21 23:53:46,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33708734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:53:46, skipping insertion in model container [2022-11-21 23:53:46,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:53:46" (1/1) ... [2022-11-21 23:53:46,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:53:46,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:53:47,186 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:53:47,548 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) [2022-11-21 23:53:47,556 INFO L158 Benchmark]: Toolchain (without parser) took 1007.40ms. Allocated memory is still 71.3MB. Free memory was 45.3MB in the beginning and 46.6MB in the end (delta: -1.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:53:47,557 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 48.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:53:47,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1002.80ms. Allocated memory is still 71.3MB. Free memory was 45.1MB in the beginning and 46.6MB in the end (delta: -1.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:53:47,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 48.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1002.80ms. Allocated memory is still 71.3MB. Free memory was 45.1MB in the beginning and 46.6MB in the end (delta: -1.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.