./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_06_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_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/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_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_06_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/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_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/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 627d33fbe44ca4ff6864601b4991c8e241fa51bd27bdfeb9b0051d63fdcf8c3c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 01:16:42,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:16:42,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:16:42,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:16:42,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:16:42,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:16:42,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:16:42,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:16:42,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:16:42,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:16:42,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:16:42,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:16:42,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:16:42,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:16:42,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:16:42,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:16:42,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:16:42,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:16:42,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:16:42,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:16:42,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:16:42,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:16:42,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:16:42,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:16:42,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:16:42,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:16:42,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:16:42,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:16:42,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:16:42,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:16:42,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:16:42,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:16:42,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:16:42,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:16:42,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:16:42,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:16:42,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:16:42,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:16:42,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:16:42,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:16:42,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:16:42,157 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 01:16:42,177 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:16:42,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:16:42,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:16:42,179 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:16:42,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:16:42,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:16:42,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:16:42,180 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:16:42,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:16:42,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:16:42,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:16:42,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:16:42,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:16:42,181 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:16:42,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:16:42,181 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:16:42,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:16:42,181 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:16:42,182 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:16:42,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:16:42,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:16:42,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:16:42,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:16:42,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:16:42,182 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:16:42,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:16:42,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:16:42,183 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_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 627d33fbe44ca4ff6864601b4991c8e241fa51bd27bdfeb9b0051d63fdcf8c3c [2022-12-15 01:16:42,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:16:42,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:16:42,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:16:42,396 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:16:42,396 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:16:42,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_06_good.i [2022-12-15 01:16:45,024 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:16:45,307 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:16:45,307 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_06_good.i [2022-12-15 01:16:45,324 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/bin/ukojak-rkRKPMF4O4/data/4e5bb3650/912f37fb7eaa48c2b69e9ccf3bff63c2/FLAG5b22d88fc [2022-12-15 01:16:45,336 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/bin/ukojak-rkRKPMF4O4/data/4e5bb3650/912f37fb7eaa48c2b69e9ccf3bff63c2 [2022-12-15 01:16:45,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:16:45,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:16:45,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:16:45,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:16:45,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:16:45,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:16:45" (1/1) ... [2022-12-15 01:16:45,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b405bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:45, skipping insertion in model container [2022-12-15 01:16:45,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:16:45" (1/1) ... [2022-12-15 01:16:45,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:16:45,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:16:45,657 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:16:45,956 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:16:45,960 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:16:45,962 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:16:45,964 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:16:45,965 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:16:45,985 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:16:45,993 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:16:46,003 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:16:46,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:16:46,016 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:16:46,033 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:16:46,077 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:16:46,079 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:16:46,080 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:16:46,082 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:16:46,083 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:16:46,087 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:16:46,090 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:16:46,094 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:16:46,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:16:46,188 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:16:46,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:46 WrapperNode [2022-12-15 01:16:46,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:16:46,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:16:46,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:16:46,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:16:46,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:46" (1/1) ... [2022-12-15 01:16:46,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:46" (1/1) ... [2022-12-15 01:16:46,238 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 120 [2022-12-15 01:16:46,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:16:46,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:16:46,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:16:46,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:16:46,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:46" (1/1) ... [2022-12-15 01:16:46,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:46" (1/1) ... [2022-12-15 01:16:46,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:46" (1/1) ... [2022-12-15 01:16:46,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:46" (1/1) ... [2022-12-15 01:16:46,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:46" (1/1) ... [2022-12-15 01:16:46,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:46" (1/1) ... [2022-12-15 01:16:46,260 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:46" (1/1) ... [2022-12-15 01:16:46,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:46" (1/1) ... [2022-12-15 01:16:46,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:16:46,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:16:46,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:16:46,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:16:46,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:16:46" (1/1) ... [2022-12-15 01:16:46,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:16:46,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:16:46,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:16:46,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:16:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 01:16:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 01:16:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-15 01:16:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 01:16:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 01:16:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:16:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-15 01:16:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:16:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:16:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:16:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:16:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 01:16:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:16:46,460 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:16:46,462 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:16:46,640 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:16:46,673 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:16:46,673 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 01:16:46,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:16:46 BoogieIcfgContainer [2022-12-15 01:16:46,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:16:46,677 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:16:46,677 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:16:46,686 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:16:46,686 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:16:46" (1/1) ... [2022-12-15 01:16:46,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:16:46,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:46,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-12-15 01:16:46,736 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-12-15 01:16:46,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:16:46,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:46,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:46,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:16:46,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:46,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 72 transitions. [2022-12-15 01:16:46,919 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 01:16:46,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:16:46,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:46,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:46,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:16:46,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:46,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 71 transitions. [2022-12-15 01:16:46,998 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-12-15 01:16:46,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:16:46,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:46,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:47,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:16:47,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:47,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 78 transitions. [2022-12-15 01:16:47,106 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-12-15 01:16:47,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:16:47,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:47,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:16:47,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:47,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 70 transitions. [2022-12-15 01:16:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-15 01:16:47,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:16:47,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:47,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:47,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:16:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:47,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 53 states and 72 transitions. [2022-12-15 01:16:47,330 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 01:16:47,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 01:16:47,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:47,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:47,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:16:47,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:47,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 55 states and 75 transitions. [2022-12-15 01:16:47,375 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2022-12-15 01:16:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:16:47,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:47,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:47,401 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:16:47,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 69 transitions. [2022-12-15 01:16:47,412 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2022-12-15 01:16:47,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:16:47,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:47,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:47,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:16:47,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:47,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 50 states and 66 transitions. [2022-12-15 01:16:47,528 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-15 01:16:47,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:16:47,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:47,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:47,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:16:47,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:47,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 65 transitions. [2022-12-15 01:16:47,590 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2022-12-15 01:16:47,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:16:47,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:47,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:47,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:16:47,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:47,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 54 states and 72 transitions. [2022-12-15 01:16:47,688 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2022-12-15 01:16:47,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:16:47,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:47,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:47,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:16:47,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:47,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 74 transitions. [2022-12-15 01:16:47,768 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2022-12-15 01:16:47,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:16:47,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:47,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:47,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:16:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 50 states and 66 transitions. [2022-12-15 01:16:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-15 01:16:47,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:16:47,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:47,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:47,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:16:47,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:47,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 48 states and 63 transitions. [2022-12-15 01:16:47,986 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-15 01:16:47,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 01:16:47,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:47,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:48,041 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:16:48,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:48,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 50 states and 67 transitions. [2022-12-15 01:16:48,073 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-15 01:16:48,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 01:16:48,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:48,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:48,127 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:16:48,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:48,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 53 states and 72 transitions. [2022-12-15 01:16:48,205 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 01:16:48,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:16:48,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:48,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:48,234 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 01:16:48,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:48,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 55 states and 74 transitions. [2022-12-15 01:16:48,257 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2022-12-15 01:16:48,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:16:48,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:48,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:16:48,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:48,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 56 states and 75 transitions. [2022-12-15 01:16:48,376 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2022-12-15 01:16:48,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:16:48,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:48,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:16:48,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:48,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 45 states and 57 transitions. [2022-12-15 01:16:48,509 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-12-15 01:16:48,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 01:16:48,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:48,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:48,572 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:16:48,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:48,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 44 states and 56 transitions. [2022-12-15 01:16:48,676 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-15 01:16:48,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 01:16:48,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:48,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:48,741 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:16:48,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:48,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 43 states and 55 transitions. [2022-12-15 01:16:48,828 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-15 01:16:48,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:16:48,829 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-12-15 01:16:48,835 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-15 01:16:48,941 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:16:48,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:16:48 ImpRootNode [2022-12-15 01:16:48,946 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:16:48,946 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:16:48,946 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:16:48,946 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:16:48,947 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:16:46" (3/4) ... [2022-12-15 01:16:48,949 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:16:48,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 01:16:48,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 01:16:48,959 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-15 01:16:48,959 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 01:16:48,960 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 01:16:48,960 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:16:48,960 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:16:49,003 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:16:49,004 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:16:49,004 INFO L158 Benchmark]: Toolchain (without parser) took 3664.74ms. Allocated memory is still 134.2MB. Free memory was 90.6MB in the beginning and 82.6MB in the end (delta: 7.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2022-12-15 01:16:49,004 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:16:49,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 848.29ms. Allocated memory is still 134.2MB. Free memory was 90.2MB in the beginning and 71.8MB in the end (delta: 18.4MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2022-12-15 01:16:49,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.36ms. Allocated memory is still 134.2MB. Free memory was 71.8MB in the beginning and 68.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:16:49,005 INFO L158 Benchmark]: Boogie Preprocessor took 25.39ms. Allocated memory is still 134.2MB. Free memory was 68.6MB in the beginning and 67.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:16:49,005 INFO L158 Benchmark]: RCFGBuilder took 411.22ms. Allocated memory is still 134.2MB. Free memory was 67.1MB in the beginning and 101.3MB in the end (delta: -34.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-12-15 01:16:49,006 INFO L158 Benchmark]: CodeCheck took 2268.54ms. Allocated memory is still 134.2MB. Free memory was 101.3MB in the beginning and 86.8MB in the end (delta: 14.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-12-15 01:16:49,006 INFO L158 Benchmark]: Witness Printer took 57.63ms. Allocated memory is still 134.2MB. Free memory was 86.8MB in the beginning and 82.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:16:49,008 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, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2739 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 814 mSDsluCounter, 2168 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 674 mSDsCounter, 512 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1899 IncrementalHoareTripleChecker+Invalid, 2411 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 512 mSolverCounterUnsat, 1494 mSDtfsCounter, 1899 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4043 GetRequests, 3967 SyntacticMatches, 10 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1764 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 442 NumberOfCodeBlocks, 442 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 422 ConstructedInterpolants, 0 QuantifiedInterpolants, 850 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 78/78 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: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1632]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1632]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: 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: 1667]: 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 134.2MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 848.29ms. Allocated memory is still 134.2MB. Free memory was 90.2MB in the beginning and 71.8MB in the end (delta: 18.4MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.36ms. Allocated memory is still 134.2MB. Free memory was 71.8MB in the beginning and 68.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.39ms. Allocated memory is still 134.2MB. Free memory was 68.6MB in the beginning and 67.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.22ms. Allocated memory is still 134.2MB. Free memory was 67.1MB in the beginning and 101.3MB in the end (delta: -34.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * CodeCheck took 2268.54ms. Allocated memory is still 134.2MB. Free memory was 101.3MB in the beginning and 86.8MB in the end (delta: 14.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Witness Printer took 57.63ms. Allocated memory is still 134.2MB. Free memory was 86.8MB in the beginning and 82.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:16:49,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f5c7f3-89a5-4605-9fb7-7b0406a18047/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