./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_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_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/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_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/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_e13f87c0-1019-4fff-a6e0-0560ac05f957/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 2e4fb4b63bcdd58b6328d3d8ac7e686ad7215cae7de56dced0453676ba573c19 --- 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 23:40:15,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:40:15,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:40:15,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:40:15,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:40:15,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:40:15,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:40:15,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:40:15,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:40:15,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:40:15,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:40:15,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:40:15,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:40:15,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:40:15,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:40:15,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:40:15,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:40:15,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:40:15,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:40:15,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:40:15,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:40:15,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:40:15,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:40:15,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:40:15,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:40:15,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:40:15,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:40:15,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:40:15,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:40:15,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:40:15,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:40:15,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:40:15,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:40:15,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:40:15,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:40:15,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:40:15,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:40:15,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:40:15,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:40:15,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:40:15,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:40:15,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:40:15,687 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:40:15,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:40:15,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:40:15,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:40:15,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:40:15,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:40:15,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:40:15,691 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:40:15,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:40:15,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:40:15,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:40:15,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:40:15,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:40:15,694 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:40:15,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:40:15,695 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:40:15,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:40:15,695 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:40:15,696 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:40:15,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:40:15,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:40:15,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:40:15,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:40:15,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:40:15,697 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:40:15,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:40:15,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:40:15,698 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_e13f87c0-1019-4fff-a6e0-0560ac05f957/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e4fb4b63bcdd58b6328d3d8ac7e686ad7215cae7de56dced0453676ba573c19 [2022-11-21 23:40:16,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:40:16,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:40:16,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:40:16,077 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:40:16,077 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:40:16,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2022-11-21 23:40:19,517 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:40:20,049 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:40:20,063 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2022-11-21 23:40:20,099 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/data/1b94cc636/9a2f5a4880d74ade893addea7e0ed721/FLAGf6b4f16ee [2022-11-21 23:40:20,121 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/data/1b94cc636/9a2f5a4880d74ade893addea7e0ed721 [2022-11-21 23:40:20,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:40:20,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:40:20,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:40:20,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:40:20,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:40:20,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:40:20" (1/1) ... [2022-11-21 23:40:20,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b218e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:40:20, skipping insertion in model container [2022-11-21 23:40:20,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:40:20" (1/1) ... [2022-11-21 23:40:20,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:40:20,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:40:20,629 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:40:21,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:40:21,282 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:40:21,322 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:40:21,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:40:21,598 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:40:21,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:40:21 WrapperNode [2022-11-21 23:40:21,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:40:21,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:40:21,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:40:21,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:40:21,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:40:21" (1/1) ... [2022-11-21 23:40:21,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:40:21" (1/1) ... [2022-11-21 23:40:21,705 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-11-21 23:40:21,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:40:21,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:40:21,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:40:21,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:40:21,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:40:21" (1/1) ... [2022-11-21 23:40:21,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:40:21" (1/1) ... [2022-11-21 23:40:21,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:40:21" (1/1) ... [2022-11-21 23:40:21,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:40:21" (1/1) ... [2022-11-21 23:40:21,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:40:21" (1/1) ... [2022-11-21 23:40:21,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:40:21" (1/1) ... [2022-11-21 23:40:21,742 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:40:21" (1/1) ... [2022-11-21 23:40:21,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:40:21" (1/1) ... [2022-11-21 23:40:21,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:40:21,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:40:21,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:40:21,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:40:21,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:40:21" (1/1) ... [2022-11-21 23:40:21,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:40:21,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:40:21,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:40:21,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:40:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:40:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:40:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:40:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:40:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:40:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-21 23:40:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-21 23:40:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:40:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:40:22,095 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:40:22,098 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:40:22,348 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:40:22,486 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:40:22,486 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:40:22,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:40:22 BoogieIcfgContainer [2022-11-21 23:40:22,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:40:22,490 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:40:22,491 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:40:22,503 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:40:22,504 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:40:22" (1/1) ... [2022-11-21 23:40:22,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:40:22,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:40:22,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2022-11-21 23:40:22,582 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-11-21 23:40:22,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:40:22,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:40:22,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:40:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:40:23,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:40:23,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:40:23,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 21 transitions. [2022-11-21 23:40:23,481 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-21 23:40:23,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:40:23,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:40:23,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:40:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:40:23,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:40:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:40:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:40:23,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:40:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:40:23,689 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-21 23:40:23,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:40:23 ImpRootNode [2022-11-21 23:40:23,732 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:40:23,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:40:23,733 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:40:23,733 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:40:23,734 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:40:22" (3/4) ... [2022-11-21 23:40:23,738 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 23:40:23,746 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:40:23,747 INFO L158 Benchmark]: Toolchain (without parser) took 3620.54ms. Allocated memory is still 157.3MB. Free memory was 128.5MB in the beginning and 59.2MB in the end (delta: 69.2MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2022-11-21 23:40:23,748 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 121.6MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:40:23,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1470.89ms. Allocated memory is still 157.3MB. Free memory was 128.1MB in the beginning and 66.1MB in the end (delta: 62.0MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-21 23:40:23,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.69ms. Allocated memory is still 157.3MB. Free memory was 66.1MB in the beginning and 62.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:40:23,750 INFO L158 Benchmark]: Boogie Preprocessor took 39.45ms. Allocated memory is still 157.3MB. Free memory was 62.7MB in the beginning and 61.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:40:23,751 INFO L158 Benchmark]: RCFGBuilder took 741.55ms. Allocated memory is still 157.3MB. Free memory was 61.4MB in the beginning and 123.0MB in the end (delta: -61.6MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-11-21 23:40:23,751 INFO L158 Benchmark]: CodeCheck took 1241.66ms. Allocated memory is still 157.3MB. Free memory was 123.0MB in the beginning and 59.2MB in the end (delta: 63.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2022-11-21 23:40:23,752 INFO L158 Benchmark]: Witness Printer took 13.65ms. Allocated memory is still 157.3MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:40:23,755 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 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 22 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 1/2 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: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1562, overapproximation of bitwiseAnd at line 1562. 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE191_Integer_Underflow__int_rand_postdec_08_bad() [L1558] int data; [L1559] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticReturnsTrue()=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=0, staticReturnsTrue()=1] [L1564] COND TRUE staticReturnsTrue() [L1567] 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 0.66ms. Allocated memory is still 121.6MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1470.89ms. Allocated memory is still 157.3MB. Free memory was 128.1MB in the beginning and 66.1MB in the end (delta: 62.0MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.69ms. Allocated memory is still 157.3MB. Free memory was 66.1MB in the beginning and 62.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.45ms. Allocated memory is still 157.3MB. Free memory was 62.7MB in the beginning and 61.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 741.55ms. Allocated memory is still 157.3MB. Free memory was 61.4MB in the beginning and 123.0MB in the end (delta: -61.6MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * CodeCheck took 1241.66ms. Allocated memory is still 157.3MB. Free memory was 123.0MB in the beginning and 59.2MB in the end (delta: 63.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Witness Printer took 13.65ms. Allocated memory is still 157.3MB. Free memory is still 59.2MB. 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 23:40:23,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/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_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/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_e13f87c0-1019-4fff-a6e0-0560ac05f957/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 2e4fb4b63bcdd58b6328d3d8ac7e686ad7215cae7de56dced0453676ba573c19 --- 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 23:40:26,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:40:26,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:40:26,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:40:26,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:40:26,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:40:26,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:40:26,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:40:26,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:40:26,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:40:26,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:40:26,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:40:26,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:40:26,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:40:26,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:40:26,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:40:26,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:40:26,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:40:26,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:40:26,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:40:26,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:40:26,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:40:26,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:40:26,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:40:26,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:40:26,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:40:26,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:40:26,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:40:26,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:40:26,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:40:26,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:40:26,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:40:26,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:40:26,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:40:26,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:40:26,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:40:26,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:40:26,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:40:26,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:40:26,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:40:26,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:40:26,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 23:40:26,951 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:40:26,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:40:26,954 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:40:26,955 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:40:26,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:40:26,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:40:26,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:40:26,957 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:40:26,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:40:26,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:40:26,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:40:26,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:40:26,959 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:40:26,960 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:40:26,960 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:40:26,960 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:40:26,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:40:26,961 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:40:26,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:40:26,962 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:40:26,962 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:40:26,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:40:26,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:40:26,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:40:26,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:40:26,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:40:26,964 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:40:26,964 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:40:26,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:40:26,965 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:40:26,965 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:40:26,966 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_e13f87c0-1019-4fff-a6e0-0560ac05f957/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e4fb4b63bcdd58b6328d3d8ac7e686ad7215cae7de56dced0453676ba573c19 [2022-11-21 23:40:27,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:40:27,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:40:27,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:40:27,496 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:40:27,498 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:40:27,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2022-11-21 23:40:31,078 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:40:31,571 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:40:31,572 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2022-11-21 23:40:31,622 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/data/052628893/ac4e85c6a7b44248b593325c5703dae3/FLAG0fc665a92 [2022-11-21 23:40:31,641 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13f87c0-1019-4fff-a6e0-0560ac05f957/bin/ukojak-jW3SillKbg/data/052628893/ac4e85c6a7b44248b593325c5703dae3 [2022-11-21 23:40:31,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:40:31,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:40:31,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:40:31,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:40:31,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:40:31,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:40:31" (1/1) ... [2022-11-21 23:40:31,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d9adf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:40:31, skipping insertion in model container [2022-11-21 23:40:31,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:40:31" (1/1) ... [2022-11-21 23:40:31,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:40:31,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:40:32,214 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:40:32,544 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 23:40:32,552 INFO L158 Benchmark]: Toolchain (without parser) took 904.08ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 41.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:40:32,553 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:40:32,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 901.24ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 41.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:40:32,555 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 901.24ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 41.4MB in the end (delta: 15.2MB). 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.