./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d316f41-d45e-477a-84fb-da41377d51e3/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d316f41-d45e-477a-84fb-da41377d51e3/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_6d316f41-d45e-477a-84fb-da41377d51e3/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d316f41-d45e-477a-84fb-da41377d51e3/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d316f41-d45e-477a-84fb-da41377d51e3/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_6d316f41-d45e-477a-84fb-da41377d51e3/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 a4abc9c7d2b4ebaa530e7f8482b8d5094b5275a859aa34c7c57019560ed01179 --- 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 00:24:16,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:24:16,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:24:16,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:24:16,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:24:16,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:24:16,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:24:16,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:24:16,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:24:16,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:24:16,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:24:16,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:24:16,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:24:16,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:24:16,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:24:16,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:24:16,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:24:16,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:24:16,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:24:16,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:24:16,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:24:16,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:24:16,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:24:16,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:24:16,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:24:16,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:24:16,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:24:16,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:24:16,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:24:16,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:24:16,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:24:16,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:24:16,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:24:16,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:24:16,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:24:16,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:24:16,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:24:16,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:24:16,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:24:16,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:24:16,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:24:16,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d316f41-d45e-477a-84fb-da41377d51e3/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 00:24:16,627 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:24:16,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:24:16,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:24:16,628 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:24:16,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:24:16,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:24:16,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:24:16,634 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:24:16,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:24:16,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:24:16,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:24:16,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:24:16,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:24:16,634 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:24:16,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:24:16,635 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:24:16,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:24:16,635 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:24:16,635 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:24:16,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:24:16,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:24:16,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:24:16,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:24:16,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:24:16,636 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:24:16,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:24:16,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:24:16,636 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_6d316f41-d45e-477a-84fb-da41377d51e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d316f41-d45e-477a-84fb-da41377d51e3/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4abc9c7d2b4ebaa530e7f8482b8d5094b5275a859aa34c7c57019560ed01179 [2022-12-15 00:24:16,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:24:16,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:24:16,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:24:16,823 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:24:16,823 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:24:16,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d316f41-d45e-477a-84fb-da41377d51e3/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_good.i [2022-12-15 00:24:19,399 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:24:19,685 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:24:19,685 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d316f41-d45e-477a-84fb-da41377d51e3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_good.i [2022-12-15 00:24:19,703 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d316f41-d45e-477a-84fb-da41377d51e3/bin/ukojak-rkRKPMF4O4/data/3a1c16ae7/b5cdff0865934a098103f5b537648520/FLAG4c2cd65cf [2022-12-15 00:24:19,984 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d316f41-d45e-477a-84fb-da41377d51e3/bin/ukojak-rkRKPMF4O4/data/3a1c16ae7/b5cdff0865934a098103f5b537648520 [2022-12-15 00:24:19,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:24:19,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:24:19,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:24:19,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:24:19,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:24:19,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:19" (1/1) ... [2022-12-15 00:24:19,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c4ecfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:19, skipping insertion in model container [2022-12-15 00:24:19,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:19" (1/1) ... [2022-12-15 00:24:19,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:24:20,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:24:20,258 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 00:24:20,559 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 00:24:20,564 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:24:20,565 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:24:20,567 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:24:20,567 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:24:20,583 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 00:24:20,591 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 00:24:20,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:24:20,600 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:24:20,613 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 00:24:20,642 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 00:24:20,643 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:24:20,644 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:24:20,646 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:24:20,646 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:24:20,649 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 00:24:20,652 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 00:24:20,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:24:20,759 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:24:20,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:20 WrapperNode [2022-12-15 00:24:20,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:24:20,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:24:20,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:24:20,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:24:20,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:20" (1/1) ... [2022-12-15 00:24:20,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:20" (1/1) ... [2022-12-15 00:24:20,809 INFO L138 Inliner]: procedures = 502, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 87 [2022-12-15 00:24:20,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:24:20,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:24:20,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:24:20,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:24:20,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:20" (1/1) ... [2022-12-15 00:24:20,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:20" (1/1) ... [2022-12-15 00:24:20,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:20" (1/1) ... [2022-12-15 00:24:20,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:20" (1/1) ... [2022-12-15 00:24:20,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:20" (1/1) ... [2022-12-15 00:24:20,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:20" (1/1) ... [2022-12-15 00:24:20,826 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:20" (1/1) ... [2022-12-15 00:24:20,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:20" (1/1) ... [2022-12-15 00:24:20,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:24:20,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:24:20,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:24:20,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:24:20,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:20" (1/1) ... [2022-12-15 00:24:20,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:24:20,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d316f41-d45e-477a-84fb-da41377d51e3/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:24:20,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d316f41-d45e-477a-84fb-da41377d51e3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:24:20,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d316f41-d45e-477a-84fb-da41377d51e3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:24:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 00:24:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 00:24:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-15 00:24:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 00:24:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 00:24:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:24:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-15 00:24:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:24:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:24:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:24:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:24:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 00:24:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:24:20,993 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:24:20,994 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:24:21,105 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:24:21,128 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:24:21,128 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-15 00:24:21,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:24:21 BoogieIcfgContainer [2022-12-15 00:24:21,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:24:21,131 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:24:21,131 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:24:21,138 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:24:21,138 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:24:21" (1/1) ... [2022-12-15 00:24:21,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:24:21,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:21,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2022-12-15 00:24:21,182 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2022-12-15 00:24:21,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:24:21,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:21,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:21,293 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 00:24:21,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:21,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2022-12-15 00:24:21,313 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-12-15 00:24:21,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:24:21,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:21,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:21,400 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 00:24:21,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:21,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2022-12-15 00:24:21,426 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-12-15 00:24:21,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:24:21,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:21,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:21,472 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 00:24:21,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:21,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2022-12-15 00:24:21,513 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-12-15 00:24:21,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:24:21,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:21,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:21,573 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 00:24:21,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:21,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 34 transitions. [2022-12-15 00:24:21,603 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-12-15 00:24:21,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:24:21,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:21,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:21,653 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 00:24:21,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:21,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 32 transitions. [2022-12-15 00:24:21,677 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-12-15 00:24:21,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 00:24:21,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:21,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:21,713 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 00:24:21,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:21,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 31 transitions. [2022-12-15 00:24:21,726 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-12-15 00:24:21,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 00:24:21,727 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-12-15 00:24:21,733 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-15 00:24:21,760 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-15 00:24:21,767 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:24:21,767 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:24:21,767 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-15 00:24:21,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:24:21 ImpRootNode [2022-12-15 00:24:21,767 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:24:21,768 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:24:21,768 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:24:21,768 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:24:21,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:24:21" (3/4) ... [2022-12-15 00:24:21,771 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 00:24:21,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 00:24:21,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 00:24:21,780 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-15 00:24:21,780 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-15 00:24:21,780 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 00:24:21,780 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 00:24:21,817 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d316f41-d45e-477a-84fb-da41377d51e3/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:24:21,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:24:21,818 INFO L158 Benchmark]: Toolchain (without parser) took 1830.72ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 107.1MB in the beginning and 118.9MB in the end (delta: -11.8MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-12-15 00:24:21,818 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:24:21,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 771.99ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 107.1MB in the beginning and 135.0MB in the end (delta: -27.9MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2022-12-15 00:24:21,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.87ms. Allocated memory is still 176.2MB. Free memory was 135.0MB in the beginning and 131.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 00:24:21,819 INFO L158 Benchmark]: Boogie Preprocessor took 18.93ms. Allocated memory is still 176.2MB. Free memory was 131.9MB in the beginning and 130.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:24:21,820 INFO L158 Benchmark]: RCFGBuilder took 301.13ms. Allocated memory is still 176.2MB. Free memory was 130.9MB in the beginning and 115.2MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 00:24:21,820 INFO L158 Benchmark]: CodeCheck took 636.90ms. Allocated memory is still 176.2MB. Free memory was 115.2MB in the beginning and 122.0MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:24:21,820 INFO L158 Benchmark]: Witness Printer took 48.91ms. Allocated memory is still 176.2MB. Free memory was 122.0MB in the beginning and 118.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 00:24:21,821 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, 30 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 257 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 196 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 150 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 544 GetRequests, 530 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 117 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 6/6 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: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: 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: 1552]: Loop Invariant Derived loop invariant: data == 0 - InvariantResult [Line: 1611]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1591]: Loop Invariant Derived loop invariant: data == 2 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 771.99ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 107.1MB in the beginning and 135.0MB in the end (delta: -27.9MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.87ms. Allocated memory is still 176.2MB. Free memory was 135.0MB in the beginning and 131.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.93ms. Allocated memory is still 176.2MB. Free memory was 131.9MB in the beginning and 130.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 301.13ms. Allocated memory is still 176.2MB. Free memory was 130.9MB in the beginning and 115.2MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 636.90ms. Allocated memory is still 176.2MB. Free memory was 115.2MB in the beginning and 122.0MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 48.91ms. Allocated memory is still 176.2MB. Free memory was 122.0MB in the beginning and 118.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 00:24:21,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d316f41-d45e-477a-84fb-da41377d51e3/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