./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_02_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/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_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/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_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/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 b5393bd8f46f9141266d49b2816fe08d44ea09d57e239bfa5c07b22aa84ab87f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 22:44:12,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:44:12,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:44:12,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:44:12,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:44:12,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:44:12,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:44:12,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:44:12,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:44:12,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:44:12,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:44:12,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:44:12,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:44:12,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:44:12,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:44:12,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:44:12,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:44:12,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:44:12,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:44:12,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:44:12,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:44:12,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:44:12,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:44:12,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:44:12,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:44:12,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:44:12,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:44:12,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:44:12,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:44:12,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:44:12,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:44:12,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:44:12,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:44:12,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:44:12,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:44:12,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:44:12,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:44:12,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:44:12,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:44:12,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:44:12,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:44:12,843 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 22:44:12,855 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:44:12,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:44:12,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:44:12,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:44:12,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:44:12,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:44:12,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:44:12,857 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 22:44:12,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:44:12,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:44:12,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:44:12,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:44:12,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:44:12,857 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 22:44:12,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:44:12,858 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:44:12,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:44:12,858 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:44:12,858 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:44:12,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:44:12,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:44:12,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:44:12,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:44:12,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:44:12,858 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:44:12,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:44:12,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:44:12,859 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_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5393bd8f46f9141266d49b2816fe08d44ea09d57e239bfa5c07b22aa84ab87f [2022-12-14 22:44:13,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:44:13,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:44:13,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:44:13,070 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:44:13,070 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:44:13,071 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_02_good.i [2022-12-14 22:44:15,667 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:44:15,948 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:44:15,948 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_02_good.i [2022-12-14 22:44:15,965 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/bin/ukojak-rkRKPMF4O4/data/54a53067b/9171b954f12f45af9c21ad79ac21897c/FLAGd2c7de81c [2022-12-14 22:44:16,240 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/bin/ukojak-rkRKPMF4O4/data/54a53067b/9171b954f12f45af9c21ad79ac21897c [2022-12-14 22:44:16,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:44:16,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:44:16,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:44:16,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:44:16,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:44:16,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:44:16" (1/1) ... [2022-12-14 22:44:16,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@84d0ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:44:16, skipping insertion in model container [2022-12-14 22:44:16,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:44:16" (1/1) ... [2022-12-14 22:44:16,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:44:16,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:44:16,501 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 22:44:16,800 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 22:44:16,804 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:44:16,806 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:44:16,808 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:44:16,808 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:44:16,825 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 22:44:16,830 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 22:44:16,837 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 22:44:16,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:44:16,846 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:44:16,859 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 22:44:16,892 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 22:44:16,893 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:44:16,894 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:44:16,895 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:44:16,896 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:44:16,899 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 22:44:16,901 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 22:44:16,904 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 22:44:16,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:44:17,029 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:44:17,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:44:17 WrapperNode [2022-12-14 22:44:17,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:44:17,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:44:17,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:44:17,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:44:17,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:44:17" (1/1) ... [2022-12-14 22:44:17,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:44:17" (1/1) ... [2022-12-14 22:44:17,067 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 111 [2022-12-14 22:44:17,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:44:17,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:44:17,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:44:17,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:44:17,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:44:17" (1/1) ... [2022-12-14 22:44:17,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:44:17" (1/1) ... [2022-12-14 22:44:17,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:44:17" (1/1) ... [2022-12-14 22:44:17,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:44:17" (1/1) ... [2022-12-14 22:44:17,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:44:17" (1/1) ... [2022-12-14 22:44:17,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:44:17" (1/1) ... [2022-12-14 22:44:17,085 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:44:17" (1/1) ... [2022-12-14 22:44:17,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:44:17" (1/1) ... [2022-12-14 22:44:17,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:44:17,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:44:17,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:44:17,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:44:17,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:44:17" (1/1) ... [2022-12-14 22:44:17,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:44:17,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:44:17,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:44:17,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:44:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 22:44:17,139 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 22:44:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 22:44:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 22:44:17,140 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 22:44:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 22:44:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 22:44:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:44:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:44:17,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:44:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 22:44:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 22:44:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:44:17,244 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:44:17,246 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:44:17,410 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:44:17,434 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:44:17,435 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 22:44:17,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:44:17 BoogieIcfgContainer [2022-12-14 22:44:17,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:44:17,437 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:44:17,437 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:44:17,444 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:44:17,444 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:44:17" (1/1) ... [2022-12-14 22:44:17,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:44:17,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:44:17,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 75 transitions. [2022-12-14 22:44:17,490 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2022-12-14 22:44:17,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 22:44:17,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:44:17,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:44:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:44:17,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:44:17,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:44:17,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 53 states and 71 transitions. [2022-12-14 22:44:17,642 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2022-12-14 22:44:17,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 22:44:17,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:44:17,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:44:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:44:17,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:44:17,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:44:17,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 52 states and 70 transitions. [2022-12-14 22:44:17,735 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2022-12-14 22:44:17,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:44:17,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:44:17,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:44:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:44:17,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:44:17,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:44:17,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 51 states and 69 transitions. [2022-12-14 22:44:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2022-12-14 22:44:17,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 22:44:17,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:44:17,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:44:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:44:17,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:44:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:44:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 68 transitions. [2022-12-14 22:44:17,892 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-12-14 22:44:17,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 22:44:17,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:44:17,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:44:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:44:17,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:44:17,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:44:17,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 67 transitions. [2022-12-14 22:44:17,974 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-14 22:44:17,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 22:44:17,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:44:17,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:44:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:44:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:44:18,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:44:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 66 transitions. [2022-12-14 22:44:18,075 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2022-12-14 22:44:18,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 22:44:18,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:44:18,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:44:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:44:18,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:44:18,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:44:18,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 62 transitions. [2022-12-14 22:44:18,143 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2022-12-14 22:44:18,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:44:18,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:44:18,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:44:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:44:18,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:44:18,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:44:18,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 60 transitions. [2022-12-14 22:44:18,238 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2022-12-14 22:44:18,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 22:44:18,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:44:18,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:44:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:44:18,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:44:18,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:44:18,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 59 transitions. [2022-12-14 22:44:18,306 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2022-12-14 22:44:18,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 22:44:18,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:44:18,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:44:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:44:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:44:18,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:44:18,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 57 transitions. [2022-12-14 22:44:18,413 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2022-12-14 22:44:18,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:44:18,414 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2022-12-14 22:44:18,420 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 22:44:18,458 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:44:18,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:44:18 ImpRootNode [2022-12-14 22:44:18,462 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:44:18,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:44:18,463 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:44:18,463 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:44:18,463 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:44:17" (3/4) ... [2022-12-14 22:44:18,466 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:44:18,470 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 22:44:18,470 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 22:44:18,473 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 22:44:18,474 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 22:44:18,474 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 22:44:18,474 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 22:44:18,474 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 22:44:18,507 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:44:18,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:44:18,508 INFO L158 Benchmark]: Toolchain (without parser) took 2265.02ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 100.8MB in the beginning and 123.1MB in the end (delta: -22.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-12-14 22:44:18,508 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:44:18,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 785.92ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 100.3MB in the beginning and 122.6MB in the end (delta: -22.3MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2022-12-14 22:44:18,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.49ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 119.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:44:18,509 INFO L158 Benchmark]: Boogie Preprocessor took 19.90ms. Allocated memory is still 167.8MB. Free memory was 119.6MB in the beginning and 118.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:44:18,509 INFO L158 Benchmark]: RCFGBuilder took 348.32ms. Allocated memory is still 167.8MB. Free memory was 118.4MB in the beginning and 99.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 22:44:18,509 INFO L158 Benchmark]: CodeCheck took 1025.05ms. Allocated memory is still 167.8MB. Free memory was 98.6MB in the beginning and 127.3MB in the end (delta: -28.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:44:18,510 INFO L158 Benchmark]: Witness Printer took 44.79ms. Allocated memory is still 167.8MB. Free memory was 127.3MB in the beginning and 123.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 22:44:18,511 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, 54 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 762 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97 mSDsluCounter, 391 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 99 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 383 IncrementalHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 99 mSolverCounterUnsat, 377 mSDtfsCounter, 383 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1447 GetRequests, 1423 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 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, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 239 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1670]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 785.92ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 100.3MB in the beginning and 122.6MB in the end (delta: -22.3MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.49ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 119.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.90ms. Allocated memory is still 167.8MB. Free memory was 119.6MB in the beginning and 118.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 348.32ms. Allocated memory is still 167.8MB. Free memory was 118.4MB in the beginning and 99.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1025.05ms. Allocated memory is still 167.8MB. Free memory was 98.6MB in the beginning and 127.3MB in the end (delta: -28.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 44.79ms. Allocated memory is still 167.8MB. Free memory was 127.3MB in the beginning and 123.1MB 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! [2022-12-14 22:44:18,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a4ddc3a-e39a-43de-8eaa-8ca3f1133408/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