./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_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_bf829ed6-f612-464d-afc0-d98572de7828/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829ed6-f612-464d-afc0-d98572de7828/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_bf829ed6-f612-464d-afc0-d98572de7828/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829ed6-f612-464d-afc0-d98572de7828/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_44_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829ed6-f612-464d-afc0-d98572de7828/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_bf829ed6-f612-464d-afc0-d98572de7828/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 e09ef466268f3e67bcd8a80d6b76fcd7faa844eb7cf54d9543af2c533d6e88d2 --- 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 03:15:23,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:15:23,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:15:23,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:15:23,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:15:23,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:15:23,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:15:23,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:15:23,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:15:23,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:15:23,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:15:23,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:15:23,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:15:23,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:15:23,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:15:23,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:15:23,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:15:23,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:15:23,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:15:23,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:15:23,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:15:23,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:15:23,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:15:23,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:15:23,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:15:23,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:15:23,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:15:23,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:15:23,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:15:23,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:15:23,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:15:23,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:15:23,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:15:23,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:15:23,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:15:23,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:15:23,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:15:23,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:15:23,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:15:23,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:15:23,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:15:23,552 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829ed6-f612-464d-afc0-d98572de7828/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 03:15:23,565 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:15:23,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:15:23,566 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:15:23,566 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:15:23,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:15:23,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:15:23,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:15:23,573 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:15:23,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:15:23,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:15:23,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:15:23,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:15:23,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:15:23,574 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:15:23,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:15:23,574 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:15:23,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:15:23,574 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:15:23,574 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:15:23,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:15:23,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:15:23,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:15:23,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:15:23,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:15:23,576 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:15:23,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:15:23,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:15:23,576 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_bf829ed6-f612-464d-afc0-d98572de7828/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829ed6-f612-464d-afc0-d98572de7828/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e09ef466268f3e67bcd8a80d6b76fcd7faa844eb7cf54d9543af2c533d6e88d2 [2022-12-15 03:15:23,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:15:23,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:15:23,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:15:23,757 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:15:23,757 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:15:23,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829ed6-f612-464d-afc0-d98572de7828/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_44_good.i [2022-12-15 03:15:26,388 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:15:26,637 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:15:26,638 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829ed6-f612-464d-afc0-d98572de7828/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_44_good.i [2022-12-15 03:15:26,649 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829ed6-f612-464d-afc0-d98572de7828/bin/ukojak-rkRKPMF4O4/data/4705fa4cd/ab51898955ac48df998bee6d56e65d11/FLAG923c68059 [2022-12-15 03:15:26,660 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829ed6-f612-464d-afc0-d98572de7828/bin/ukojak-rkRKPMF4O4/data/4705fa4cd/ab51898955ac48df998bee6d56e65d11 [2022-12-15 03:15:26,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:15:26,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:15:26,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:15:26,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:15:26,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:15:26,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:15:26" (1/1) ... [2022-12-15 03:15:26,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@461eab00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:26, skipping insertion in model container [2022-12-15 03:15:26,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:15:26" (1/1) ... [2022-12-15 03:15:26,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:15:26,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:15:26,983 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 03:15:27,307 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 03:15:27,311 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:15:27,313 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:15:27,314 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:15:27,315 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:15:27,342 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 03:15:27,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:15:27,350 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:15:27,363 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 03:15:27,391 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 03:15:27,392 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:15:27,393 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:15:27,394 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:15:27,394 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:15:27,399 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 03:15:27,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:15:27,503 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:15:27,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:27 WrapperNode [2022-12-15 03:15:27,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:15:27,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:15:27,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:15:27,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:15:27,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:27" (1/1) ... [2022-12-15 03:15:27,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:27" (1/1) ... [2022-12-15 03:15:27,541 INFO L138 Inliner]: procedures = 504, calls = 68, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 69 [2022-12-15 03:15:27,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:15:27,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:15:27,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:15:27,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:15:27,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:27" (1/1) ... [2022-12-15 03:15:27,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:27" (1/1) ... [2022-12-15 03:15:27,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:27" (1/1) ... [2022-12-15 03:15:27,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:27" (1/1) ... [2022-12-15 03:15:27,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:27" (1/1) ... [2022-12-15 03:15:27,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:27" (1/1) ... [2022-12-15 03:15:27,558 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:27" (1/1) ... [2022-12-15 03:15:27,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:27" (1/1) ... [2022-12-15 03:15:27,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:15:27,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:15:27,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:15:27,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:15:27,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:15:27" (1/1) ... [2022-12-15 03:15:27,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:15:27,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829ed6-f612-464d-afc0-d98572de7828/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:15:27,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829ed6-f612-464d-afc0-d98572de7828/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:15:27,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829ed6-f612-464d-afc0-d98572de7828/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:15:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 03:15:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 03:15:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 03:15:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 03:15:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:15:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 03:15:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:15:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-15 03:15:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-15 03:15:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:15:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:15:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:15:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 03:15:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 03:15:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:15:27,735 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:15:27,737 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:15:27,862 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:15:27,888 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:15:27,888 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 03:15:27,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:15:27 BoogieIcfgContainer [2022-12-15 03:15:27,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:15:27,891 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:15:27,891 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:15:27,901 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:15:27,901 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:15:27" (1/1) ... [2022-12-15 03:15:27,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:15:27,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:15:27,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2022-12-15 03:15:27,950 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-12-15 03:15:27,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 03:15:27,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:15:27,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:15:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:15:28,219 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 03:15:28,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:15:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 42 transitions. [2022-12-15 03:15:28,286 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-12-15 03:15:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:15:28,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:15:28,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:15:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:15:28,326 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 03:15:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:15:28,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 41 transitions. [2022-12-15 03:15:28,345 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-12-15 03:15:28,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:15:28,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:15:28,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:15:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:15:28,433 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 03:15:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:15:28,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 47 transitions. [2022-12-15 03:15:28,623 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-12-15 03:15:28,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 03:15:28,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:15:28,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:15:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:15:28,706 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 03:15:29,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:15:29,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 50 transitions. [2022-12-15 03:15:29,015 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2022-12-15 03:15:29,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 03:15:29,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:15:29,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:15:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:15:29,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:15:29,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:15:29,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 46 transitions. [2022-12-15 03:15:29,493 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-12-15 03:15:29,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 03:15:29,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:15:29,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:15:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:15:29,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:15:30,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:15:30,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 45 transitions. [2022-12-15 03:15:30,145 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-12-15 03:15:30,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:15:30,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:15:30,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:15:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:15:30,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:15:30,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:15:30,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 44 transitions. [2022-12-15 03:15:30,482 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-12-15 03:15:30,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:15:30,483 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-12-15 03:15:30,490 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-15 03:15:30,592 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:15:30,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:15:30 ImpRootNode [2022-12-15 03:15:30,595 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:15:30,596 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:15:30,596 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:15:30,596 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:15:30,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:15:27" (3/4) ... [2022-12-15 03:15:30,598 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:15:30,602 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 03:15:30,602 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 03:15:30,602 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-12-15 03:15:30,604 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-15 03:15:30,605 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-15 03:15:30,605 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-15 03:15:30,605 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:15:30,635 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829ed6-f612-464d-afc0-d98572de7828/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:15:30,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:15:30,635 INFO L158 Benchmark]: Toolchain (without parser) took 3972.78ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 93.8MB in the beginning and 87.1MB in the end (delta: 6.8MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2022-12-15 03:15:30,636 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 132.1MB. Free memory was 102.0MB in the beginning and 101.8MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:15:30,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 839.99ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 93.8MB in the beginning and 107.0MB in the end (delta: -13.2MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2022-12-15 03:15:30,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.87ms. Allocated memory is still 159.4MB. Free memory was 107.0MB in the beginning and 104.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:15:30,637 INFO L158 Benchmark]: Boogie Preprocessor took 18.96ms. Allocated memory is still 159.4MB. Free memory was 104.6MB in the beginning and 102.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:15:30,637 INFO L158 Benchmark]: RCFGBuilder took 329.09ms. Allocated memory is still 159.4MB. Free memory was 102.9MB in the beginning and 87.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 03:15:30,637 INFO L158 Benchmark]: CodeCheck took 2704.03ms. Allocated memory is still 159.4MB. Free memory was 87.0MB in the beginning and 90.1MB in the end (delta: -3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:15:30,637 INFO L158 Benchmark]: Witness Printer took 38.98ms. Allocated memory is still 159.4MB. Free memory was 90.1MB in the beginning and 87.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:15:30,639 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, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 268 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 152 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 176 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 468 IncrementalHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 176 mSolverCounterUnsat, 152 mSDtfsCounter, 468 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 853 GetRequests, 773 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1700 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 211 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 9/9 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: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: 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: 1595]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 132.1MB. Free memory was 102.0MB in the beginning and 101.8MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 839.99ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 93.8MB in the beginning and 107.0MB in the end (delta: -13.2MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.87ms. Allocated memory is still 159.4MB. Free memory was 107.0MB in the beginning and 104.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.96ms. Allocated memory is still 159.4MB. Free memory was 104.6MB in the beginning and 102.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 329.09ms. Allocated memory is still 159.4MB. Free memory was 102.9MB in the beginning and 87.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2704.03ms. Allocated memory is still 159.4MB. Free memory was 87.0MB in the beginning and 90.1MB in the end (delta: -3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.98ms. Allocated memory is still 159.4MB. Free memory was 90.1MB in the beginning and 87.1MB 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 03:15:30,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf829ed6-f612-464d-afc0-d98572de7828/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