./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_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_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/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_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/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_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/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 4f02616d206bf8428532d1d9ed1e630cd9411b3146be39f6d216548dff4d9035 --- 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 01:57:00,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:57:00,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:57:00,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:57:00,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:57:00,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:57:00,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:57:00,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:57:00,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:57:00,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:57:00,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:57:00,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:57:00,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:57:00,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:57:00,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:57:00,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:57:00,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:57:00,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:57:00,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:57:00,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:57:00,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:57:00,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:57:00,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:57:00,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:57:00,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:57:00,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:57:00,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:57:00,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:57:00,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:57:00,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:57:00,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:57:00,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:57:00,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:57:00,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:57:00,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:57:00,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:57:00,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:57:00,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:57:00,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:57:00,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:57:00,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:57:00,510 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 01:57:00,531 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:57:00,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:57:00,532 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:57:00,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:57:00,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:57:00,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:57:00,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:57:00,533 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:57:00,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:57:00,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:57:00,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:57:00,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:57:00,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:57:00,534 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:57:00,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:57:00,535 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:57:00,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:57:00,535 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:57:00,535 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:57:00,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:57:00,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:57:00,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:57:00,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:57:00,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:57:00,537 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:57:00,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:57:00,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:57:00,537 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_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f02616d206bf8428532d1d9ed1e630cd9411b3146be39f6d216548dff4d9035 [2022-12-15 01:57:00,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:57:00,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:57:00,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:57:00,743 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:57:00,743 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:57:00,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_good.i [2022-12-15 01:57:03,288 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:57:03,528 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:57:03,529 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_good.i [2022-12-15 01:57:03,540 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/bin/ukojak-rkRKPMF4O4/data/f4ade08ab/010b42b94a984e72b533295ede1b87d4/FLAGae36c99e2 [2022-12-15 01:57:03,554 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/bin/ukojak-rkRKPMF4O4/data/f4ade08ab/010b42b94a984e72b533295ede1b87d4 [2022-12-15 01:57:03,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:57:03,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:57:03,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:57:03,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:57:03,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:57:03,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:57:03" (1/1) ... [2022-12-15 01:57:03,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac1ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:03, skipping insertion in model container [2022-12-15 01:57:03,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:57:03" (1/1) ... [2022-12-15 01:57:03,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:57:03,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:57:03,906 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:57:04,256 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:57:04,260 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:57:04,262 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:57:04,264 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:57:04,265 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:57:04,285 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:57:04,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:57:04,298 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:57:04,314 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:57:04,360 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:57:04,362 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:57:04,363 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:57:04,366 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:57:04,367 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:57:04,372 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:57:04,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:57:04,482 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:57:04,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:04 WrapperNode [2022-12-15 01:57:04,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:57:04,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:57:04,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:57:04,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:57:04,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:04" (1/1) ... [2022-12-15 01:57:04,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:04" (1/1) ... [2022-12-15 01:57:04,521 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 74 [2022-12-15 01:57:04,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:57:04,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:57:04,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:57:04,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:57:04,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:04" (1/1) ... [2022-12-15 01:57:04,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:04" (1/1) ... [2022-12-15 01:57:04,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:04" (1/1) ... [2022-12-15 01:57:04,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:04" (1/1) ... [2022-12-15 01:57:04,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:04" (1/1) ... [2022-12-15 01:57:04,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:04" (1/1) ... [2022-12-15 01:57:04,536 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:04" (1/1) ... [2022-12-15 01:57:04,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:04" (1/1) ... [2022-12-15 01:57:04,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:57:04,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:57:04,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:57:04,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:57:04,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:04" (1/1) ... [2022-12-15 01:57:04,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:57:04,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:57:04,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:57:04,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:57:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 01:57:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 01:57:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 01:57:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 01:57:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:57:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:57:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:57:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 01:57:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:57:04,706 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:57:04,707 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:57:04,839 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:57:04,868 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:57:04,868 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 01:57:04,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:57:04 BoogieIcfgContainer [2022-12-15 01:57:04,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:57:04,871 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:57:04,871 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:57:04,878 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:57:04,879 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:57:04" (1/1) ... [2022-12-15 01:57:04,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:57:04,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:04,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-12-15 01:57:04,926 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-12-15 01:57:04,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:57:04,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:04,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:05,072 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 01:57:05,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:05,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2022-12-15 01:57:05,103 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-12-15 01:57:05,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:57:05,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:05,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:05,195 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 01:57:05,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:05,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 39 transitions. [2022-12-15 01:57:05,209 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-12-15 01:57:05,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:57:05,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:05,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:05,246 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 01:57:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 36 transitions. [2022-12-15 01:57:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-12-15 01:57:05,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:57:05,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:05,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:05,340 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 01:57:05,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:05,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 35 transitions. [2022-12-15 01:57:05,361 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-12-15 01:57:05,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:57:05,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:05,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:05,405 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 01:57:05,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:05,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 34 transitions. [2022-12-15 01:57:05,427 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-12-15 01:57:05,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:57:05,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:05,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:05,475 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 01:57:05,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:05,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 28 transitions. [2022-12-15 01:57:05,537 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-15 01:57:05,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:57:05,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:05,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:05,589 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 01:57:05,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:05,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 27 transitions. [2022-12-15 01:57:05,613 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-12-15 01:57:05,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:57:05,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:05,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:05,660 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 01:57:05,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:05,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 26 transitions. [2022-12-15 01:57:05,716 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-12-15 01:57:05,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:57:05,717 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-15 01:57:05,725 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-15 01:57:05,750 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:57:05,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:57:05 ImpRootNode [2022-12-15 01:57:05,754 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:57:05,755 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:57:05,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:57:05,755 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:57:05,756 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:57:04" (3/4) ... [2022-12-15 01:57:05,758 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:57:05,763 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 01:57:05,763 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 01:57:05,766 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-15 01:57:05,766 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 01:57:05,766 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 01:57:05,766 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:57:05,799 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:57:05,799 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:57:05,800 INFO L158 Benchmark]: Toolchain (without parser) took 2241.38ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 91.1MB in the beginning and 42.6MB in the end (delta: 48.4MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2022-12-15 01:57:05,800 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory was 60.9MB in the beginning and 60.8MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:57:05,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 922.84ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 91.1MB in the beginning and 89.1MB in the end (delta: 2.0MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2022-12-15 01:57:05,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.12ms. Allocated memory is still 151.0MB. Free memory was 89.1MB in the beginning and 85.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:57:05,801 INFO L158 Benchmark]: Boogie Preprocessor took 16.90ms. Allocated memory is still 151.0MB. Free memory was 85.9MB in the beginning and 83.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:57:05,801 INFO L158 Benchmark]: RCFGBuilder took 331.68ms. Allocated memory is still 151.0MB. Free memory was 83.8MB in the beginning and 68.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 01:57:05,801 INFO L158 Benchmark]: CodeCheck took 883.27ms. Allocated memory is still 151.0MB. Free memory was 68.1MB in the beginning and 46.8MB in the end (delta: 21.2MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2022-12-15 01:57:05,802 INFO L158 Benchmark]: Witness Printer took 44.31ms. Allocated memory is still 151.0MB. Free memory was 46.8MB in the beginning and 42.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:57:05,803 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, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 416 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 262 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 164 IncrementalHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 240 mSDtfsCounter, 164 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 747 GetRequests, 725 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 20/20 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: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1620]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1620]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1589]: 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 104.9MB. Free memory was 60.9MB in the beginning and 60.8MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 922.84ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 91.1MB in the beginning and 89.1MB in the end (delta: 2.0MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.12ms. Allocated memory is still 151.0MB. Free memory was 89.1MB in the beginning and 85.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.90ms. Allocated memory is still 151.0MB. Free memory was 85.9MB in the beginning and 83.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 331.68ms. Allocated memory is still 151.0MB. Free memory was 83.8MB in the beginning and 68.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 883.27ms. Allocated memory is still 151.0MB. Free memory was 68.1MB in the beginning and 46.8MB in the end (delta: 21.2MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Witness Printer took 44.31ms. Allocated memory is still 151.0MB. Free memory was 46.8MB in the beginning and 42.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:57:05,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95cffb11-c296-40fe-9ade-29ee0e5d9e6c/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