./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a2a911-7546-4146-955c-00f5d905896d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a2a911-7546-4146-955c-00f5d905896d/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_57a2a911-7546-4146-955c-00f5d905896d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a2a911-7546-4146-955c-00f5d905896d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a2a911-7546-4146-955c-00f5d905896d/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_57a2a911-7546-4146-955c-00f5d905896d/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 479f3a0793279ecb9be69d50a8f0e08b7cfea5a27af792d27cbba6fdea935bdf --- 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 18:02:55,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:02:55,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:02:55,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:02:55,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:02:55,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:02:55,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:02:55,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:02:55,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:02:55,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:02:55,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:02:55,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:02:55,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:02:55,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:02:55,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:02:55,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:02:55,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:02:55,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:02:55,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:02:55,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:02:55,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:02:55,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:02:55,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:02:55,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:02:55,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:02:55,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:02:55,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:02:55,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:02:55,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:02:55,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:02:55,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:02:55,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:02:55,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:02:55,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:02:55,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:02:55,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:02:55,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:02:55,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:02:55,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:02:55,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:02:55,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:02:55,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a2a911-7546-4146-955c-00f5d905896d/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:02:55,199 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:02:55,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:02:55,200 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:02:55,200 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:02:55,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:02:55,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:02:55,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:02:55,201 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:02:55,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:02:55,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:02:55,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:02:55,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:02:55,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:02:55,201 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:02:55,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:02:55,202 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:02:55,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:02:55,202 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:02:55,202 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:02:55,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:02:55,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:02:55,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:02:55,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:02:55,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:02:55,203 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:02:55,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:02:55,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:02:55,203 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_57a2a911-7546-4146-955c-00f5d905896d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a2a911-7546-4146-955c-00f5d905896d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 479f3a0793279ecb9be69d50a8f0e08b7cfea5a27af792d27cbba6fdea935bdf [2022-12-14 18:02:55,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:02:55,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:02:55,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:02:55,388 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:02:55,388 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:02:55,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a2a911-7546-4146-955c-00f5d905896d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_good.i [2022-12-14 18:02:58,067 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:02:58,263 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:02:58,264 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a2a911-7546-4146-955c-00f5d905896d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_04_good.i [2022-12-14 18:02:58,276 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a2a911-7546-4146-955c-00f5d905896d/bin/ukojak-rkRKPMF4O4/data/65743cfbf/da3c52cda5a64cfdb81f1cf65081d645/FLAG90a687606 [2022-12-14 18:02:58,286 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a2a911-7546-4146-955c-00f5d905896d/bin/ukojak-rkRKPMF4O4/data/65743cfbf/da3c52cda5a64cfdb81f1cf65081d645 [2022-12-14 18:02:58,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:02:58,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:02:58,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:02:58,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:02:58,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:02:58,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:02:58" (1/1) ... [2022-12-14 18:02:58,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c4d7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:58, skipping insertion in model container [2022-12-14 18:02:58,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:02:58" (1/1) ... [2022-12-14 18:02:58,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:02:58,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:02:58,542 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:02:58,831 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:02:58,836 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:02:58,837 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:02:58,839 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:02:58,839 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:02:58,858 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:02:58,863 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:02:58,870 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:02:58,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:02:58,879 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:02:58,893 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:02:58,922 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:02:58,923 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:02:58,924 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:02:58,925 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:02:58,926 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:02:58,929 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:02:58,931 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:02:58,933 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:02:58,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:02:59,024 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:02:59,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:59 WrapperNode [2022-12-14 18:02:59,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:02:59,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:02:59,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:02:59,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:02:59,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:59" (1/1) ... [2022-12-14 18:02:59,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:59" (1/1) ... [2022-12-14 18:02:59,074 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 121 [2022-12-14 18:02:59,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:02:59,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:02:59,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:02:59,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:02:59,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:59" (1/1) ... [2022-12-14 18:02:59,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:59" (1/1) ... [2022-12-14 18:02:59,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:59" (1/1) ... [2022-12-14 18:02:59,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:59" (1/1) ... [2022-12-14 18:02:59,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:59" (1/1) ... [2022-12-14 18:02:59,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:59" (1/1) ... [2022-12-14 18:02:59,091 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:59" (1/1) ... [2022-12-14 18:02:59,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:59" (1/1) ... [2022-12-14 18:02:59,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:02:59,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:02:59,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:02:59,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:02:59,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:59" (1/1) ... [2022-12-14 18:02:59,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:02:59,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a2a911-7546-4146-955c-00f5d905896d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:02:59,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a2a911-7546-4146-955c-00f5d905896d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:02:59,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a2a911-7546-4146-955c-00f5d905896d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:02:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 18:02:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 18:02:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 18:02:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 18:02:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 18:02:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:02:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 18:02:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:02:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:02:59,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:02:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:02:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 18:02:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:02:59,286 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:02:59,288 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:02:59,467 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:02:59,495 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:02:59,496 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:02:59,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:02:59 BoogieIcfgContainer [2022-12-14 18:02:59,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:02:59,499 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:02:59,499 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:02:59,509 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:02:59,509 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:02:59" (1/1) ... [2022-12-14 18:02:59,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:02:59,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:02:59,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-12-14 18:02:59,572 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-12-14 18:02:59,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:02:59,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:02:59,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:02:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:02:59,789 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 18:02:59,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:02:59,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-12-14 18:02:59,828 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 18:02:59,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:02:59,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:02:59,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:02:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:02:59,892 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 18:02:59,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:02:59,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 71 transitions. [2022-12-14 18:02:59,911 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-12-14 18:02:59,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:02:59,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:02:59,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:02:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:02:59,978 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 18:03:00,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:00,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-12-14 18:03:00,026 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-12-14 18:03:00,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:03:00,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:00,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:00,091 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 18:03:00,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:00,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 70 transitions. [2022-12-14 18:03:00,161 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-14 18:03:00,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:03:00,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:00,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:00,201 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 18:03:00,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:00,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 72 transitions. [2022-12-14 18:03:00,450 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 18:03:00,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 18:03:00,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:00,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:00,506 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 18:03:00,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:00,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 82 transitions. [2022-12-14 18:03:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-12-14 18:03:00,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:03:00,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:00,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:00,744 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:03:00,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:00,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 76 transitions. [2022-12-14 18:03:00,757 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-12-14 18:03:00,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:03:00,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:00,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:00,781 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 18:03:00,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:00,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 79 transitions. [2022-12-14 18:03:00,859 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-12-14 18:03:00,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:03:00,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:00,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:00,898 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 18:03:00,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:00,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 78 transitions. [2022-12-14 18:03:00,920 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-12-14 18:03:00,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:03:00,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:00,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:00,966 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 18:03:01,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:01,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 86 transitions. [2022-12-14 18:03:01,028 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-12-14 18:03:01,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:03:01,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:01,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:01,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:03:01,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:01,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 83 transitions. [2022-12-14 18:03:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-12-14 18:03:01,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:03:01,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:01,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:01,222 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 18:03:01,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:01,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 85 transitions. [2022-12-14 18:03:01,295 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-12-14 18:03:01,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:03:01,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:01,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:01,357 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:03:01,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:01,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 83 transitions. [2022-12-14 18:03:01,461 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-12-14 18:03:01,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:03:01,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:01,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:01,484 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 18:03:01,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:01,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 50 states and 66 transitions. [2022-12-14 18:03:01,497 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-14 18:03:01,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 18:03:01,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:01,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:01,522 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:03:01,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:01,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 48 states and 63 transitions. [2022-12-14 18:03:01,567 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-14 18:03:01,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 18:03:01,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:01,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:01,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:03:01,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:01,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 50 states and 67 transitions. [2022-12-14 18:03:01,648 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-14 18:03:01,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 18:03:01,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:01,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:01,693 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:03:01,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:01,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 53 states and 72 transitions. [2022-12-14 18:03:01,775 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 18:03:01,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 18:03:01,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:01,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:01,811 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 18:03:02,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:02,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 62 states and 86 transitions. [2022-12-14 18:03:02,224 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-12-14 18:03:02,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 18:03:02,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:02,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:02,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:03:02,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:02,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 90 transitions. [2022-12-14 18:03:02,457 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-12-14 18:03:02,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 18:03:02,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:02,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:02,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:03:02,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:02,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 62 states and 85 transitions. [2022-12-14 18:03:02,607 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-12-14 18:03:02,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 18:03:02,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:02,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:02,641 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:03:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:02,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 65 states and 88 transitions. [2022-12-14 18:03:02,782 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2022-12-14 18:03:02,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:03:02,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:02,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:02,815 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 18:03:02,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:02,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 63 states and 85 transitions. [2022-12-14 18:03:02,939 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2022-12-14 18:03:02,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 18:03:02,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:02,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:02,966 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 18:03:03,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:03,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 62 states and 82 transitions. [2022-12-14 18:03:03,166 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-12-14 18:03:03,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 18:03:03,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:03,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:03,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:03:03,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 64 states and 87 transitions. [2022-12-14 18:03:03,390 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2022-12-14 18:03:03,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 18:03:03,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:03,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:03,422 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 18:03:03,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:03,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 44 states and 56 transitions. [2022-12-14 18:03:03,443 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-14 18:03:03,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 18:03:03,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:03,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:03:03,522 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:03:03,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:03,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 43 states and 55 transitions. [2022-12-14 18:03:03,618 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-14 18:03:03,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:03:03,619 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-12-14 18:03:03,624 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 18:03:03,828 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:03:03,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:03:03 ImpRootNode [2022-12-14 18:03:03,832 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:03:03,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:03:03,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:03:03,833 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:03:03,833 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:02:59" (3/4) ... [2022-12-14 18:03:03,836 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:03:03,840 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 18:03:03,841 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 18:03:03,844 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 18:03:03,845 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 18:03:03,845 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 18:03:03,845 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:03:03,846 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:03:03,880 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a2a911-7546-4146-955c-00f5d905896d/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:03:03,880 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:03:03,881 INFO L158 Benchmark]: Toolchain (without parser) took 5591.75ms. Allocated memory was 163.6MB in the beginning and 213.9MB in the end (delta: 50.3MB). Free memory was 124.8MB in the beginning and 122.5MB in the end (delta: 2.3MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2022-12-14 18:03:03,881 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 163.6MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:03:03,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 735.21ms. Allocated memory is still 163.6MB. Free memory was 124.8MB in the beginning and 125.3MB in the end (delta: -522.4kB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2022-12-14 18:03:03,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.06ms. Allocated memory is still 163.6MB. Free memory was 125.3MB in the beginning and 122.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:03:03,883 INFO L158 Benchmark]: Boogie Preprocessor took 19.13ms. Allocated memory is still 163.6MB. Free memory was 122.6MB in the beginning and 120.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:03:03,883 INFO L158 Benchmark]: RCFGBuilder took 404.45ms. Allocated memory is still 163.6MB. Free memory was 120.6MB in the beginning and 101.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 18:03:03,884 INFO L158 Benchmark]: CodeCheck took 4333.26ms. Allocated memory was 163.6MB in the beginning and 213.9MB in the end (delta: 50.3MB). Free memory was 101.7MB in the beginning and 126.7MB in the end (delta: -25.1MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-12-14 18:03:03,884 INFO L158 Benchmark]: Witness Printer took 47.85ms. Allocated memory is still 213.9MB. Free memory was 126.7MB in the beginning and 122.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 18:03:03,886 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: 4.1s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4692 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1661 mSDsluCounter, 3593 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1372 mSDsCounter, 1052 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4452 IncrementalHoareTripleChecker+Invalid, 5504 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1052 mSolverCounterUnsat, 2221 mSDtfsCounter, 4452 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6104 GetRequests, 5956 SyntacticMatches, 14 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8584 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 589 ConstructedInterpolants, 0 QuantifiedInterpolants, 1248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: 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: 1668]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 163.6MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 735.21ms. Allocated memory is still 163.6MB. Free memory was 124.8MB in the beginning and 125.3MB in the end (delta: -522.4kB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.06ms. Allocated memory is still 163.6MB. Free memory was 125.3MB in the beginning and 122.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.13ms. Allocated memory is still 163.6MB. Free memory was 122.6MB in the beginning and 120.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 404.45ms. Allocated memory is still 163.6MB. Free memory was 120.6MB in the beginning and 101.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4333.26ms. Allocated memory was 163.6MB in the beginning and 213.9MB in the end (delta: 50.3MB). Free memory was 101.7MB in the beginning and 126.7MB in the end (delta: -25.1MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Witness Printer took 47.85ms. Allocated memory is still 213.9MB. Free memory was 126.7MB in the beginning and 122.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:03:03,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a2a911-7546-4146-955c-00f5d905896d/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