./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_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_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/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_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/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_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/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 24d72a2120f95f3cf22949963a59da230e0fbc143a8b1a1c5541a1b542d02a88 --- 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 18:06:12,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:06:12,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:06:13,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:06:13,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:06:13,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:06:13,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:06:13,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:06:13,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:06:13,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:06:13,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:06:13,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:06:13,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:06:13,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:06:13,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:06:13,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:06:13,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:06:13,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:06:13,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:06:13,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:06:13,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:06:13,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:06:13,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:06:13,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:06:13,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:06:13,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:06:13,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:06:13,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:06:13,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:06:13,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:06:13,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:06:13,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:06:13,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:06:13,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:06:13,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:06:13,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:06:13,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:06:13,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:06:13,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:06:13,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:06:13,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:06:13,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:06:13,058 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:06:13,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:06:13,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:06:13,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:06:13,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:06:13,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:06:13,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:06:13,061 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:06:13,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:06:13,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:06:13,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:06:13,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:06:13,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:06:13,062 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:06:13,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:06:13,062 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:06:13,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:06:13,063 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:06:13,063 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:06:13,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:06:13,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:06:13,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:06:13,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:06:13,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:06:13,064 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:06:13,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:06:13,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:06:13,065 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_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24d72a2120f95f3cf22949963a59da230e0fbc143a8b1a1c5541a1b542d02a88 [2022-12-14 18:06:13,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:06:13,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:06:13,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:06:13,284 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:06:13,284 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:06:13,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_good.i [2022-12-14 18:06:15,917 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:06:16,186 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:06:16,187 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_good.i [2022-12-14 18:06:16,205 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/bin/ukojak-rkRKPMF4O4/data/4a0737d7e/d9347840f92b4461aff2680be7535c93/FLAGf99501710 [2022-12-14 18:06:16,219 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/bin/ukojak-rkRKPMF4O4/data/4a0737d7e/d9347840f92b4461aff2680be7535c93 [2022-12-14 18:06:16,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:06:16,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:06:16,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:06:16,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:06:16,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:06:16,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:06:16" (1/1) ... [2022-12-14 18:06:16,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@778ee4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:16, skipping insertion in model container [2022-12-14 18:06:16,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:06:16" (1/1) ... [2022-12-14 18:06:16,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:06:16,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:06:16,531 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:06:16,869 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:06:16,874 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:06:16,876 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:06:16,878 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:06:16,879 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:06:16,908 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:06:16,911 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:06:16,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:06:16,924 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:06:16,942 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:06:16,980 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:06:16,982 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:06:16,983 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:06:16,985 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:06:16,986 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:06:16,991 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:06:16,993 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:06:16,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:06:17,140 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:06:17,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17 WrapperNode [2022-12-14 18:06:17,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:06:17,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:06:17,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:06:17,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:06:17,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,180 INFO L138 Inliner]: procedures = 505, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 78 [2022-12-14 18:06:17,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:06:17,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:06:17,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:06:17,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:06:17,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,197 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:06:17,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:06:17,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:06:17,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:06:17,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:06:17,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:06:17,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:06:17,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:06:17,271 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 18:06:17,272 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 18:06:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 18:06:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 18:06:17,272 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 18:06:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:06:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 18:06:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:06:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-14 18:06:17,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-14 18:06:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:06:17,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:06:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:06:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 18:06:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:06:17,393 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:06:17,394 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:06:17,510 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:06:17,537 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:06:17,537 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:06:17,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:06:17 BoogieIcfgContainer [2022-12-14 18:06:17,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:06:17,540 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:06:17,540 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:06:17,549 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:06:17,549 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:06:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:17,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2022-12-14 18:06:17,609 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-12-14 18:06:17,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:06:17,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:17,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:17,901 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 18:06:17,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:17,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 47 transitions. [2022-12-14 18:06:17,970 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-12-14 18:06:17,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:06:17,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:17,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:18,040 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 18:06:18,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:18,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 48 transitions. [2022-12-14 18:06:18,055 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2022-12-14 18:06:18,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:06:18,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:18,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:18,122 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 18:06:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:18,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2022-12-14 18:06:18,162 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2022-12-14 18:06:18,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:06:18,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:18,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:18,209 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 18:06:18,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:18,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 51 transitions. [2022-12-14 18:06:18,220 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2022-12-14 18:06:18,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 18:06:18,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:18,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:18,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:18,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:18,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 59 transitions. [2022-12-14 18:06:18,561 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2022-12-14 18:06:18,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:06:18,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:18,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:18,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:19,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 65 transitions. [2022-12-14 18:06:19,198 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-12-14 18:06:19,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:06:19,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:19,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:19,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:19,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:19,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 67 transitions. [2022-12-14 18:06:19,497 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-12-14 18:06:19,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 18:06:19,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:19,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:19,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:06:19,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:19,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 52 states and 66 transitions. [2022-12-14 18:06:19,776 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-12-14 18:06:19,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 18:06:19,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:19,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:19,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:06:20,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:20,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 54 transitions. [2022-12-14 18:06:20,277 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-12-14 18:06:20,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 18:06:20,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:20,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:20,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:06:21,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:21,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 52 transitions. [2022-12-14 18:06:21,043 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2022-12-14 18:06:21,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:06:21,044 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2022-12-14 18:06:21,052 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 18:06:21,121 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:06:21,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:06:21 ImpRootNode [2022-12-14 18:06:21,125 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:06:21,126 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:06:21,126 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:06:21,126 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:06:21,126 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:06:17" (3/4) ... [2022-12-14 18:06:21,129 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:06:21,132 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 18:06:21,133 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 18:06:21,133 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-12-14 18:06:21,136 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-14 18:06:21,136 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 18:06:21,136 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 18:06:21,136 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:06:21,173 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:06:21,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:06:21,174 INFO L158 Benchmark]: Toolchain (without parser) took 4950.26ms. Allocated memory was 121.6MB in the beginning and 176.2MB in the end (delta: 54.5MB). Free memory was 88.0MB in the beginning and 103.0MB in the end (delta: -15.0MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2022-12-14 18:06:21,174 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:06:21,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 916.00ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 87.7MB in the beginning and 89.1MB in the end (delta: -1.4MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2022-12-14 18:06:21,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.69ms. Allocated memory is still 146.8MB. Free memory was 89.1MB in the beginning and 86.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:06:21,175 INFO L158 Benchmark]: Boogie Preprocessor took 18.42ms. Allocated memory is still 146.8MB. Free memory was 86.3MB in the beginning and 84.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:06:21,175 INFO L158 Benchmark]: RCFGBuilder took 339.83ms. Allocated memory is still 146.8MB. Free memory was 84.9MB in the beginning and 68.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 18:06:21,176 INFO L158 Benchmark]: CodeCheck took 3584.81ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 68.8MB in the beginning and 106.0MB in the end (delta: -37.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:06:21,176 INFO L158 Benchmark]: Witness Printer took 47.24ms. Allocated memory is still 176.2MB. Free memory was 106.0MB in the beginning and 103.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:06:21,178 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, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 478 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 316 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 270 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 694 IncrementalHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 270 mSolverCounterUnsat, 250 mSDtfsCounter, 694 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1486 GetRequests, 1397 SyntacticMatches, 5 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1797 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 365 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 22/22 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: 1601]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1601]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: 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: 1586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 916.00ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 87.7MB in the beginning and 89.1MB in the end (delta: -1.4MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.69ms. Allocated memory is still 146.8MB. Free memory was 89.1MB in the beginning and 86.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.42ms. Allocated memory is still 146.8MB. Free memory was 86.3MB in the beginning and 84.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.83ms. Allocated memory is still 146.8MB. Free memory was 84.9MB in the beginning and 68.9MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 3584.81ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 68.8MB in the beginning and 106.0MB in the end (delta: -37.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.24ms. Allocated memory is still 176.2MB. Free memory was 106.0MB in the beginning and 103.0MB 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! [2022-12-14 18:06:21,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0394ea9b-f122-46bb-8e64-ea0d7ed5549b/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