./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_44_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_226f093e-277d-4d9f-82fe-2aa8fe09521c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226f093e-277d-4d9f-82fe-2aa8fe09521c/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226f093e-277d-4d9f-82fe-2aa8fe09521c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226f093e-277d-4d9f-82fe-2aa8fe09521c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_44_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226f093e-277d-4d9f-82fe-2aa8fe09521c/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226f093e-277d-4d9f-82fe-2aa8fe09521c/bin/ukojak-rkRKPMF4O4 --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 c1435641ad56a147caab5d2a73a035ac8a404926cb312c8ed651139fe77f1d44 --- 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-2329fc7 [2022-12-14 20:17:14,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:17:14,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:17:14,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:17:14,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:17:14,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:17:14,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:17:14,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:17:14,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:17:14,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:17:14,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:17:14,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:17:14,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:17:14,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:17:14,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:17:14,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:17:14,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:17:14,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:17:14,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:17:14,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:17:14,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:17:14,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:17:14,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:17:14,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:17:14,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:17:14,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:17:14,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:17:14,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:17:14,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:17:14,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:17:14,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:17:14,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:17:14,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:17:14,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:17:14,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:17:14,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:17:14,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:17:14,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:17:14,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:17:14,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:17:14,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:17:14,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226f093e-277d-4d9f-82fe-2aa8fe09521c/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 20:17:14,712 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:17:14,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:17:14,713 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:17:14,713 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:17:14,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:17:14,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:17:14,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:17:14,715 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:17:14,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:17:14,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:17:14,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:17:14,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:17:14,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:17:14,716 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 20:17:14,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:17:14,716 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:17:14,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:17:14,716 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:17:14,717 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:17:14,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:17:14,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:17:14,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:17:14,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:17:14,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:17:14,718 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:17:14,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:17:14,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:17:14,718 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_226f093e-277d-4d9f-82fe-2aa8fe09521c/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226f093e-277d-4d9f-82fe-2aa8fe09521c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1435641ad56a147caab5d2a73a035ac8a404926cb312c8ed651139fe77f1d44 [2022-12-14 20:17:14,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:17:14,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:17:14,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:17:14,935 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:17:14,936 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:17:14,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226f093e-277d-4d9f-82fe-2aa8fe09521c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_44_good.i [2022-12-14 20:17:17,567 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:17:17,836 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:17:17,837 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226f093e-277d-4d9f-82fe-2aa8fe09521c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_44_good.i [2022-12-14 20:17:17,856 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226f093e-277d-4d9f-82fe-2aa8fe09521c/bin/ukojak-rkRKPMF4O4/data/6436d517b/e06ebe3a553e447fb0a0855453bb9bba/FLAG3d3191f00 [2022-12-14 20:17:17,870 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226f093e-277d-4d9f-82fe-2aa8fe09521c/bin/ukojak-rkRKPMF4O4/data/6436d517b/e06ebe3a553e447fb0a0855453bb9bba [2022-12-14 20:17:17,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:17:17,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:17:17,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:17:17,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:17:17,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:17:17,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:17:17" (1/1) ... [2022-12-14 20:17:17,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7873ea56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:17, skipping insertion in model container [2022-12-14 20:17:17,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:17:17" (1/1) ... [2022-12-14 20:17:17,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:17:17,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:17:18,184 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 20:17:18,455 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 20:17:18,459 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:17:18,461 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:17:18,462 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:17:18,463 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:17:18,490 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 20:17:18,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:17:18,498 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:17:18,511 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 20:17:18,542 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 20:17:18,543 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:17:18,544 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:17:18,546 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:17:18,546 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:17:18,550 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 20:17:18,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:17:18,633 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:17:18,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:18 WrapperNode [2022-12-14 20:17:18,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:17:18,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:17:18,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:17:18,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:17:18,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:18" (1/1) ... [2022-12-14 20:17:18,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:18" (1/1) ... [2022-12-14 20:17:18,681 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 59 [2022-12-14 20:17:18,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:17:18,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:17:18,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:17:18,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:17:18,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:18" (1/1) ... [2022-12-14 20:17:18,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:18" (1/1) ... [2022-12-14 20:17:18,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:18" (1/1) ... [2022-12-14 20:17:18,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:18" (1/1) ... [2022-12-14 20:17:18,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:18" (1/1) ... [2022-12-14 20:17:18,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:18" (1/1) ... [2022-12-14 20:17:18,701 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:18" (1/1) ... [2022-12-14 20:17:18,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:18" (1/1) ... [2022-12-14 20:17:18,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:17:18,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:17:18,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:17:18,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:17:18,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:17:18" (1/1) ... [2022-12-14 20:17:18,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:17:18,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226f093e-277d-4d9f-82fe-2aa8fe09521c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:17:18,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226f093e-277d-4d9f-82fe-2aa8fe09521c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:17:18,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226f093e-277d-4d9f-82fe-2aa8fe09521c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:17:18,764 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 20:17:18,764 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 20:17:18,764 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 20:17:18,765 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 20:17:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:17:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-14 20:17:18,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-14 20:17:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:17:18,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:17:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 20:17:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:17:18,884 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:17:18,886 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:17:19,002 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:17:19,031 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:17:19,032 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 20:17:19,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:17:19 BoogieIcfgContainer [2022-12-14 20:17:19,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:17:19,035 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:17:19,035 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:17:19,043 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:17:19,043 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:17:19" (1/1) ... [2022-12-14 20:17:19,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:17:19,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:19,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2022-12-14 20:17:19,095 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-12-14 20:17:19,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 20:17:19,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:19,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:19,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:17:19,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:19,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 47 transitions. [2022-12-14 20:17:19,440 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-12-14 20:17:19,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 20:17:19,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:19,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:19,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:17:19,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:19,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 46 transitions. [2022-12-14 20:17:19,540 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2022-12-14 20:17:19,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 20:17:19,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:19,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:19,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:17:19,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:19,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 45 transitions. [2022-12-14 20:17:19,607 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-12-14 20:17:19,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 20:17:19,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:19,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:17:19,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:19,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 44 transitions. [2022-12-14 20:17:19,703 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-12-14 20:17:19,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 20:17:19,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:19,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:17:20,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:20,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 49 transitions. [2022-12-14 20:17:20,065 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-12-14 20:17:20,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 20:17:20,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:20,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:20,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:17:20,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:20,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 41 states and 56 transitions. [2022-12-14 20:17:20,407 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2022-12-14 20:17:20,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 20:17:20,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:20,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:20,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:17:20,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:20,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 41 states and 55 transitions. [2022-12-14 20:17:20,560 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2022-12-14 20:17:20,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 20:17:20,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:17:20,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:17:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:17:20,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:17:21,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:17:21,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 50 transitions. [2022-12-14 20:17:21,074 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2022-12-14 20:17:21,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 20:17:21,075 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-14 20:17:21,082 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 20:17:21,136 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:17:21,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:17:21 ImpRootNode [2022-12-14 20:17:21,140 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:17:21,140 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:17:21,140 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:17:21,140 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:17:21,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:17:19" (3/4) ... [2022-12-14 20:17:21,143 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 20:17:21,148 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 20:17:21,148 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 20:17:21,148 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-12-14 20:17:21,152 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-14 20:17:21,152 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 20:17:21,152 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 20:17:21,152 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 20:17:21,185 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226f093e-277d-4d9f-82fe-2aa8fe09521c/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:17:21,185 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:17:21,186 INFO L158 Benchmark]: Toolchain (without parser) took 3311.88ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 94.6MB in the beginning and 70.8MB in the end (delta: 23.8MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2022-12-14 20:17:21,186 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 132.1MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:17:21,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 758.40ms. Allocated memory is still 132.1MB. Free memory was 94.1MB in the beginning and 89.0MB in the end (delta: 5.2MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2022-12-14 20:17:21,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.00ms. Allocated memory is still 132.1MB. Free memory was 89.0MB in the beginning and 86.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:17:21,188 INFO L158 Benchmark]: Boogie Preprocessor took 22.46ms. Allocated memory is still 132.1MB. Free memory was 86.3MB in the beginning and 84.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:17:21,188 INFO L158 Benchmark]: RCFGBuilder took 329.44ms. Allocated memory is still 132.1MB. Free memory was 84.8MB in the beginning and 70.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 20:17:21,188 INFO L158 Benchmark]: CodeCheck took 2104.82ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 70.1MB in the beginning and 73.9MB in the end (delta: -3.8MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2022-12-14 20:17:21,189 INFO L158 Benchmark]: Witness Printer took 45.28ms. Allocated memory is still 159.4MB. Free memory was 72.8MB in the beginning and 70.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:17:21,191 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 4 procedures, 34 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 349 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 238 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 165 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 544 IncrementalHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 165 mSolverCounterUnsat, 152 mSDtfsCounter, 544 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1032 GetRequests, 968 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 988 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 13/13 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 - PositiveResult [Line: 1570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1597]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 132.1MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 758.40ms. Allocated memory is still 132.1MB. Free memory was 94.1MB in the beginning and 89.0MB in the end (delta: 5.2MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.00ms. Allocated memory is still 132.1MB. Free memory was 89.0MB in the beginning and 86.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.46ms. Allocated memory is still 132.1MB. Free memory was 86.3MB in the beginning and 84.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 329.44ms. Allocated memory is still 132.1MB. Free memory was 84.8MB in the beginning and 70.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 2104.82ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 70.1MB in the beginning and 73.9MB in the end (delta: -3.8MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Witness Printer took 45.28ms. Allocated memory is still 159.4MB. Free memory was 72.8MB in the beginning and 70.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 20:17:21,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_226f093e-277d-4d9f-82fe-2aa8fe09521c/bin/ukojak-rkRKPMF4O4/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 Writing output log to file Ultimate.log Result: TRUE