./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/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_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/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_dd3c016a-6dcd-44b0-9477-069aaaf30658/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 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 --- 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 23:38:01,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:38:01,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:38:01,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:38:01,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:38:01,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:38:01,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:38:01,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:38:01,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:38:01,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:38:01,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:38:01,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:38:01,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:38:01,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:38:01,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:38:01,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:38:01,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:38:01,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:38:01,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:38:01,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:38:01,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:38:01,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:38:01,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:38:01,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:38:01,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:38:01,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:38:01,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:38:01,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:38:01,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:38:01,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:38:01,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:38:01,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:38:01,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:38:01,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:38:01,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:38:01,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:38:01,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:38:01,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:38:01,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:38:01,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:38:01,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:38:01,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:38:01,747 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:38:01,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:38:01,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:38:01,749 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:38:01,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:38:01,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:38:01,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:38:01,750 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:38:01,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:38:01,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:38:01,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:38:01,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:38:01,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:38:01,752 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:38:01,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:38:01,752 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:38:01,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:38:01,753 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:38:01,753 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:38:01,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:38:01,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:38:01,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:38:01,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:38:01,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:38:01,755 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:38:01,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:38:01,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:38:01,755 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_dd3c016a-6dcd-44b0-9477-069aaaf30658/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 [2022-11-21 23:38:02,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:38:02,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:38:02,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:38:02,089 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:38:02,089 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:38:02,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2022-11-21 23:38:05,157 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:38:05,558 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:38:05,559 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2022-11-21 23:38:05,580 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg/data/291d1b67a/480724e84001437b98d2b4aff60cf231/FLAG199245d74 [2022-11-21 23:38:05,594 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg/data/291d1b67a/480724e84001437b98d2b4aff60cf231 [2022-11-21 23:38:05,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:38:05,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:38:05,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:38:05,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:38:05,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:38:05,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:38:05" (1/1) ... [2022-11-21 23:38:05,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f544c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:05, skipping insertion in model container [2022-11-21 23:38:05,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:38:05" (1/1) ... [2022-11-21 23:38:05,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:38:05,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:38:06,113 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:38:06,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:38:06,730 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:38:06,750 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:38:06,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:38:06,953 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:38:06,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:06 WrapperNode [2022-11-21 23:38:06,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:38:06,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:38:06,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:38:06,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:38:06,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:06" (1/1) ... [2022-11-21 23:38:06,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:06" (1/1) ... [2022-11-21 23:38:07,013 INFO L138 Inliner]: procedures = 500, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2022-11-21 23:38:07,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:38:07,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:38:07,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:38:07,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:38:07,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:06" (1/1) ... [2022-11-21 23:38:07,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:06" (1/1) ... [2022-11-21 23:38:07,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:06" (1/1) ... [2022-11-21 23:38:07,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:06" (1/1) ... [2022-11-21 23:38:07,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:06" (1/1) ... [2022-11-21 23:38:07,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:06" (1/1) ... [2022-11-21 23:38:07,039 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:06" (1/1) ... [2022-11-21 23:38:07,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:06" (1/1) ... [2022-11-21 23:38:07,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:38:07,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:38:07,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:38:07,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:38:07,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:06" (1/1) ... [2022-11-21 23:38:07,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:38:07,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:38:07,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:38:07,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:38:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:38:07,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:38:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:38:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:38:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:38:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:38:07,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:38:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:38:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:38:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:38:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:38:07,323 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:38:07,325 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:38:07,536 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:38:07,660 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:38:07,669 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:38:07,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:38:07 BoogieIcfgContainer [2022-11-21 23:38:07,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:38:07,675 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:38:07,675 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:38:07,687 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:38:07,687 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:38:07" (1/1) ... [2022-11-21 23:38:07,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:38:07,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:07,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-21 23:38:07,746 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-21 23:38:07,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:38:07,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:07,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:38:08,373 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 23:38:08,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:38:08,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-21 23:38:08,415 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-21 23:38:08,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:38:08,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:38:08,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:38:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:38:08,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:38:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:38:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:38:08,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:38:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:38:08,676 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-21 23:38:08,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:38:08 ImpRootNode [2022-11-21 23:38:08,707 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:38:08,708 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:38:08,708 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:38:08,708 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:38:08,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:38:07" (3/4) ... [2022-11-21 23:38:08,721 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 23:38:08,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:38:08,724 INFO L158 Benchmark]: Toolchain (without parser) took 3124.95ms. Allocated memory is still 172.0MB. Free memory was 132.6MB in the beginning and 70.8MB in the end (delta: 61.8MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2022-11-21 23:38:08,724 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 119.5MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:38:08,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1351.90ms. Allocated memory is still 172.0MB. Free memory was 132.6MB in the beginning and 73.2MB in the end (delta: 59.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-21 23:38:08,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.55ms. Allocated memory is still 172.0MB. Free memory was 73.2MB in the beginning and 69.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:38:08,727 INFO L158 Benchmark]: Boogie Preprocessor took 29.37ms. Allocated memory is still 172.0MB. Free memory was 69.7MB in the beginning and 68.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:38:08,728 INFO L158 Benchmark]: RCFGBuilder took 630.21ms. Allocated memory is still 172.0MB. Free memory was 68.3MB in the beginning and 140.0MB in the end (delta: -71.7MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-11-21 23:38:08,729 INFO L158 Benchmark]: CodeCheck took 1032.42ms. Allocated memory is still 172.0MB. Free memory was 140.0MB in the beginning and 71.8MB in the end (delta: 68.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2022-11-21 23:38:08,733 INFO L158 Benchmark]: Witness Printer took 14.55ms. Allocated memory is still 172.0MB. Free memory was 71.8MB in the beginning and 70.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:38:08,736 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 33 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, 0.5s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. 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); [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=18, argc=18, argv={16:13}, argv={16:13}, 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 CWE191_Integer_Underflow__int_rand_postdec_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data-- VAL [data=-2147483648, data--=-2147483648, dataPtr={20586:0}, dataVoidPtr={20586:0}, dataVoidPtr={20586:0}, 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 0.54ms. Allocated memory is still 119.5MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1351.90ms. Allocated memory is still 172.0MB. Free memory was 132.6MB in the beginning and 73.2MB in the end (delta: 59.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.55ms. Allocated memory is still 172.0MB. Free memory was 73.2MB in the beginning and 69.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.37ms. Allocated memory is still 172.0MB. Free memory was 69.7MB in the beginning and 68.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 630.21ms. Allocated memory is still 172.0MB. Free memory was 68.3MB in the beginning and 140.0MB in the end (delta: -71.7MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * CodeCheck took 1032.42ms. Allocated memory is still 172.0MB. Free memory was 140.0MB in the beginning and 71.8MB in the end (delta: 68.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Witness Printer took 14.55ms. Allocated memory is still 172.0MB. Free memory was 71.8MB in the beginning and 70.8MB in the end (delta: 1.0MB). 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 23:38:08,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/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_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/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_dd3c016a-6dcd-44b0-9477-069aaaf30658/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 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 --- 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 23:38:11,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:38:11,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:38:11,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:38:11,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:38:11,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:38:11,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:38:11,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:38:11,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:38:11,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:38:11,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:38:11,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:38:11,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:38:11,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:38:11,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:38:11,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:38:11,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:38:11,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:38:11,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:38:11,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:38:11,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:38:11,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:38:11,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:38:11,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:38:11,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:38:11,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:38:11,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:38:11,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:38:11,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:38:11,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:38:11,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:38:11,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:38:11,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:38:11,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:38:11,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:38:11,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:38:11,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:38:11,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:38:11,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:38:11,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:38:11,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:38:11,461 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 23:38:11,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:38:11,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:38:11,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:38:11,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:38:11,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:38:11,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:38:11,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:38:11,505 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:38:11,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:38:11,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:38:11,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:38:11,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:38:11,507 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:38:11,507 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:38:11,507 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:38:11,507 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:38:11,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:38:11,507 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:38:11,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:38:11,508 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:38:11,508 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:38:11,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:38:11,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:38:11,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:38:11,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:38:11,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:38:11,509 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:38:11,509 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:38:11,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:38:11,510 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:38:11,510 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:38:11,510 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_dd3c016a-6dcd-44b0-9477-069aaaf30658/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ee7f8fb024522f94fe2d93950e7d5f7b56bea1019427e75a0d74f3e8129f230 [2022-11-21 23:38:11,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:38:11,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:38:11,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:38:11,922 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:38:11,923 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:38:11,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2022-11-21 23:38:14,905 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:38:15,350 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:38:15,350 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_64_bad.i [2022-11-21 23:38:15,386 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg/data/10fc75025/5cb937ea11914ba6bd512b34f2862937/FLAGaaf2c6ad3 [2022-11-21 23:38:15,401 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3c016a-6dcd-44b0-9477-069aaaf30658/bin/ukojak-jW3SillKbg/data/10fc75025/5cb937ea11914ba6bd512b34f2862937 [2022-11-21 23:38:15,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:38:15,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:38:15,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:38:15,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:38:15,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:38:15,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:38:15" (1/1) ... [2022-11-21 23:38:15,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aace512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:38:15, skipping insertion in model container [2022-11-21 23:38:15,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:38:15" (1/1) ... [2022-11-21 23:38:15,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:38:15,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:38:15,930 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:38:16,348 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 23:38:16,357 INFO L158 Benchmark]: Toolchain (without parser) took 950.36ms. Allocated memory is still 86.0MB. Free memory was 60.5MB in the beginning and 44.9MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:38:16,357 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 86.0MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:38:16,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 945.43ms. Allocated memory is still 86.0MB. Free memory was 60.3MB in the beginning and 44.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:38:16,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 86.0MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 945.43ms. Allocated memory is still 86.0MB. Free memory was 60.3MB in the beginning and 44.9MB in the end (delta: 15.3MB). 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.