./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_02_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_685433b6-b039-4406-a9f5-141b4320b164/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_685433b6-b039-4406-a9f5-141b4320b164/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_685433b6-b039-4406-a9f5-141b4320b164/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_685433b6-b039-4406-a9f5-141b4320b164/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_685433b6-b039-4406-a9f5-141b4320b164/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_685433b6-b039-4406-a9f5-141b4320b164/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 7f9635a9d4379fb2545404eb731ec4976a8d105b40c191f19bc645b77cf98313 --- 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 [2022-12-15 02:39:04,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:39:04,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:39:04,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:39:04,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:39:04,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:39:04,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:39:04,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:39:04,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:39:04,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:39:04,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:39:04,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:39:04,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:39:04,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:39:04,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:39:04,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:39:04,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:39:04,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:39:04,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:39:04,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:39:04,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:39:04,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:39:04,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:39:04,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:39:04,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:39:04,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:39:04,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:39:04,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:39:04,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:39:04,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:39:04,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:39:04,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:39:04,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:39:04,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:39:04,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:39:04,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:39:04,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:39:04,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:39:04,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:39:04,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:39:04,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:39:04,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_685433b6-b039-4406-a9f5-141b4320b164/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 02:39:04,500 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:39:04,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:39:04,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:39:04,501 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:39:04,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:39:04,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:39:04,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:39:04,503 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:39:04,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:39:04,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:39:04,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:39:04,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:39:04,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:39:04,504 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:39:04,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:39:04,504 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:39:04,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:39:04,504 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:39:04,504 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:39:04,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:39:04,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:39:04,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:39:04,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:39:04,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:39:04,505 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:39:04,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:39:04,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:39:04,506 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_685433b6-b039-4406-a9f5-141b4320b164/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_685433b6-b039-4406-a9f5-141b4320b164/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f9635a9d4379fb2545404eb731ec4976a8d105b40c191f19bc645b77cf98313 [2022-12-15 02:39:04,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:39:04,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:39:04,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:39:04,741 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:39:04,741 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:39:04,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_685433b6-b039-4406-a9f5-141b4320b164/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_02_good.i [2022-12-15 02:39:07,259 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:39:07,545 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:39:07,546 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_685433b6-b039-4406-a9f5-141b4320b164/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_02_good.i [2022-12-15 02:39:07,564 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_685433b6-b039-4406-a9f5-141b4320b164/bin/ukojak-rkRKPMF4O4/data/4bd22e15f/f39a02bf87f84b4d911aa47d995e4a99/FLAG043031dfa [2022-12-15 02:39:07,834 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_685433b6-b039-4406-a9f5-141b4320b164/bin/ukojak-rkRKPMF4O4/data/4bd22e15f/f39a02bf87f84b4d911aa47d995e4a99 [2022-12-15 02:39:07,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:39:07,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:39:07,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:39:07,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:39:07,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:39:07,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:39:07" (1/1) ... [2022-12-15 02:39:07,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5774b3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:07, skipping insertion in model container [2022-12-15 02:39:07,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:39:07" (1/1) ... [2022-12-15 02:39:07,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:39:07,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:39:08,152 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:39:08,509 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 02:39:08,515 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:39:08,516 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:39:08,519 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:39:08,519 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:39:08,548 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 02:39:08,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:39:08,557 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:39:08,573 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:39:08,616 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 02:39:08,617 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:39:08,618 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:39:08,620 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:39:08,621 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:39:08,628 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 02:39:08,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:39:08,760 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:39:08,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:08 WrapperNode [2022-12-15 02:39:08,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:39:08,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:39:08,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:39:08,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:39:08,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:08" (1/1) ... [2022-12-15 02:39:08,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:08" (1/1) ... [2022-12-15 02:39:08,812 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 89 [2022-12-15 02:39:08,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:39:08,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:39:08,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:39:08,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:39:08,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:08" (1/1) ... [2022-12-15 02:39:08,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:08" (1/1) ... [2022-12-15 02:39:08,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:08" (1/1) ... [2022-12-15 02:39:08,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:08" (1/1) ... [2022-12-15 02:39:08,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:08" (1/1) ... [2022-12-15 02:39:08,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:08" (1/1) ... [2022-12-15 02:39:08,833 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:08" (1/1) ... [2022-12-15 02:39:08,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:08" (1/1) ... [2022-12-15 02:39:08,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:39:08,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:39:08,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:39:08,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:39:08,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:39:08" (1/1) ... [2022-12-15 02:39:08,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:39:08,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_685433b6-b039-4406-a9f5-141b4320b164/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:39:08,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_685433b6-b039-4406-a9f5-141b4320b164/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:39:08,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_685433b6-b039-4406-a9f5-141b4320b164/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:39:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 02:39:08,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 02:39:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 02:39:08,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 02:39:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:39:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:39:08,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:39:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 02:39:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:39:09,003 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:39:09,005 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:39:09,123 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:39:09,157 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:39:09,157 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-15 02:39:09,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:39:09 BoogieIcfgContainer [2022-12-15 02:39:09,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:39:09,160 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:39:09,160 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:39:09,170 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:39:09,170 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:39:09" (1/1) ... [2022-12-15 02:39:09,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:39:09,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:09,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2022-12-15 02:39:09,224 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2022-12-15 02:39:09,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:39:09,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:09,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:09,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:39:09,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:09,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 48 transitions. [2022-12-15 02:39:09,429 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2022-12-15 02:39:09,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 02:39:09,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:09,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:09,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:39:09,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:09,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 40 transitions. [2022-12-15 02:39:09,507 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-12-15 02:39:09,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 02:39:09,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:09,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:39:09,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:09,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 35 transitions. [2022-12-15 02:39:09,631 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-12-15 02:39:09,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 02:39:09,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:09,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:09,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:39:09,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:09,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 34 transitions. [2022-12-15 02:39:09,797 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-12-15 02:39:09,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 02:39:09,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:09,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:09,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:39:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:09,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 32 transitions. [2022-12-15 02:39:09,916 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-12-15 02:39:09,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 02:39:09,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:09,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:09,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:39:10,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:10,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 31 transitions. [2022-12-15 02:39:10,104 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2022-12-15 02:39:10,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 02:39:10,105 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-12-15 02:39:10,112 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-15 02:39:10,140 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:39:10,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:39:10 ImpRootNode [2022-12-15 02:39:10,144 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:39:10,144 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:39:10,144 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:39:10,145 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:39:10,145 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:39:09" (3/4) ... [2022-12-15 02:39:10,147 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 02:39:10,151 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 02:39:10,151 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 02:39:10,156 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-15 02:39:10,156 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-15 02:39:10,156 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 02:39:10,156 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 02:39:10,196 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_685433b6-b039-4406-a9f5-141b4320b164/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:39:10,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:39:10,197 INFO L158 Benchmark]: Toolchain (without parser) took 2360.72ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 96.9MB in the beginning and 64.2MB in the end (delta: 32.6MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2022-12-15 02:39:10,198 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:39:10,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 924.33ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 96.9MB in the beginning and 113.6MB in the end (delta: -16.8MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2022-12-15 02:39:10,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.26ms. Allocated memory is still 163.6MB. Free memory was 113.6MB in the beginning and 110.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:39:10,199 INFO L158 Benchmark]: Boogie Preprocessor took 23.90ms. Allocated memory is still 163.6MB. Free memory was 110.7MB in the beginning and 109.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:39:10,199 INFO L158 Benchmark]: RCFGBuilder took 322.30ms. Allocated memory is still 163.6MB. Free memory was 108.6MB in the beginning and 92.7MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 02:39:10,199 INFO L158 Benchmark]: CodeCheck took 983.70ms. Allocated memory is still 163.6MB. Free memory was 92.7MB in the beginning and 67.4MB in the end (delta: 25.3MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2022-12-15 02:39:10,200 INFO L158 Benchmark]: Witness Printer took 52.21ms. Allocated memory is still 163.6MB. Free memory was 67.4MB in the beginning and 64.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:39:10,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 44 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 312 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 161 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 160 IncrementalHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 135 mSDtfsCounter, 160 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 761 GetRequests, 733 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 26/26 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 924.33ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 96.9MB in the beginning and 113.6MB in the end (delta: -16.8MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.26ms. Allocated memory is still 163.6MB. Free memory was 113.6MB in the beginning and 110.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.90ms. Allocated memory is still 163.6MB. Free memory was 110.7MB in the beginning and 109.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 322.30ms. Allocated memory is still 163.6MB. Free memory was 108.6MB in the beginning and 92.7MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 983.70ms. Allocated memory is still 163.6MB. Free memory was 92.7MB in the beginning and 67.4MB in the end (delta: 25.3MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Witness Printer took 52.21ms. Allocated memory is still 163.6MB. Free memory was 67.4MB in the beginning and 64.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 02:39:10,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_685433b6-b039-4406-a9f5-141b4320b164/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