./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_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_9785351e-855b-41eb-9280-7b54775e7fd2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9785351e-855b-41eb-9280-7b54775e7fd2/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_9785351e-855b-41eb-9280-7b54775e7fd2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9785351e-855b-41eb-9280-7b54775e7fd2/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9785351e-855b-41eb-9280-7b54775e7fd2/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_9785351e-855b-41eb-9280-7b54775e7fd2/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 1a8fe106955e33ad0b77286efbf557d0c2fbf8777c5dc1f3bbb61b941e9d9383 --- 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 23:02:43,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:02:43,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:02:43,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:02:43,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:02:43,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:02:43,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:02:43,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:02:43,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:02:43,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:02:43,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:02:43,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:02:43,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:02:43,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:02:43,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:02:43,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:02:43,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:02:43,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:02:43,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:02:43,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:02:43,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:02:43,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:02:43,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:02:43,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:02:43,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:02:43,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:02:43,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:02:43,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:02:43,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:02:43,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:02:43,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:02:43,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:02:43,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:02:44,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:02:44,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:02:44,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:02:44,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:02:44,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:02:44,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:02:44,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:02:44,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:02:44,003 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9785351e-855b-41eb-9280-7b54775e7fd2/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 23:02:44,024 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:02:44,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:02:44,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:02:44,025 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:02:44,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:02:44,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:02:44,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:02:44,026 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:02:44,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:02:44,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:02:44,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:02:44,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:02:44,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:02:44,027 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:02:44,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:02:44,027 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:02:44,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:02:44,028 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:02:44,028 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:02:44,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:02:44,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:02:44,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:02:44,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:02:44,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:02:44,029 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:02:44,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:02:44,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:02:44,029 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_9785351e-855b-41eb-9280-7b54775e7fd2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9785351e-855b-41eb-9280-7b54775e7fd2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a8fe106955e33ad0b77286efbf557d0c2fbf8777c5dc1f3bbb61b941e9d9383 [2022-12-14 23:02:44,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:02:44,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:02:44,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:02:44,235 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:02:44,236 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:02:44,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9785351e-855b-41eb-9280-7b54775e7fd2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_good.i [2022-12-14 23:02:46,844 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:02:47,089 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:02:47,090 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9785351e-855b-41eb-9280-7b54775e7fd2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_good.i [2022-12-14 23:02:47,102 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9785351e-855b-41eb-9280-7b54775e7fd2/bin/ukojak-rkRKPMF4O4/data/53ba6c3fd/367a909e0c0b4321bc31fbbfcedee417/FLAG38c5b5a75 [2022-12-14 23:02:47,112 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9785351e-855b-41eb-9280-7b54775e7fd2/bin/ukojak-rkRKPMF4O4/data/53ba6c3fd/367a909e0c0b4321bc31fbbfcedee417 [2022-12-14 23:02:47,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:02:47,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:02:47,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:02:47,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:02:47,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:02:47,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:02:47" (1/1) ... [2022-12-14 23:02:47,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351c8fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:47, skipping insertion in model container [2022-12-14 23:02:47,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:02:47" (1/1) ... [2022-12-14 23:02:47,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:02:47,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:02:47,376 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:02:47,653 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:02:47,657 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:02:47,659 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:02:47,661 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:02:47,661 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:02:47,681 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:02:47,686 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:02:47,694 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:02:47,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:02:47,703 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:02:47,718 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:02:47,751 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:02:47,752 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:02:47,753 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:02:47,754 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:02:47,755 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:02:47,758 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:02:47,760 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:02:47,763 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:02:47,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:02:47,884 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:02:47,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:47 WrapperNode [2022-12-14 23:02:47,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:02:47,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:02:47,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:02:47,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:02:47,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:47" (1/1) ... [2022-12-14 23:02:47,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:47" (1/1) ... [2022-12-14 23:02:47,920 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 109 [2022-12-14 23:02:47,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:02:47,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:02:47,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:02:47,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:02:47,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:47" (1/1) ... [2022-12-14 23:02:47,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:47" (1/1) ... [2022-12-14 23:02:47,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:47" (1/1) ... [2022-12-14 23:02:47,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:47" (1/1) ... [2022-12-14 23:02:47,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:47" (1/1) ... [2022-12-14 23:02:47,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:47" (1/1) ... [2022-12-14 23:02:47,936 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:47" (1/1) ... [2022-12-14 23:02:47,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:47" (1/1) ... [2022-12-14 23:02:47,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:02:47,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:02:47,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:02:47,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:02:47,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:47" (1/1) ... [2022-12-14 23:02:47,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:02:47,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9785351e-855b-41eb-9280-7b54775e7fd2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:02:47,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9785351e-855b-41eb-9280-7b54775e7fd2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:02:47,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9785351e-855b-41eb-9280-7b54775e7fd2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:02:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 23:02:47,987 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 23:02:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 23:02:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 23:02:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 23:02:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:02:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 23:02:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:02:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:02:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:02:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:02:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 23:02:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:02:48,101 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:02:48,103 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:02:48,242 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:02:48,265 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:02:48,266 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 23:02:48,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:02:48 BoogieIcfgContainer [2022-12-14 23:02:48,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:02:48,268 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:02:48,268 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:02:48,275 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:02:48,276 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:02:48" (1/1) ... [2022-12-14 23:02:48,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:02:48,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:48,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-12-14 23:02:48,322 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-12-14 23:02:48,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:02:48,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:48,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:48,486 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 23:02:48,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:48,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-12-14 23:02:48,516 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 23:02:48,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:02:48,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:48,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:48,569 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 23:02:48,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:48,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 71 transitions. [2022-12-14 23:02:48,585 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-12-14 23:02:48,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:02:48,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:48,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:48,641 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 23:02:48,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:48,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-12-14 23:02:48,683 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-12-14 23:02:48,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 23:02:48,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:48,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:48,729 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 23:02:48,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:48,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 70 transitions. [2022-12-14 23:02:48,793 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-14 23:02:48,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:02:48,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:48,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:48,844 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 23:02:49,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:49,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 72 transitions. [2022-12-14 23:02:49,062 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 23:02:49,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 23:02:49,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:49,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:49,098 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 23:02:49,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:49,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 82 transitions. [2022-12-14 23:02:49,289 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-12-14 23:02:49,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:02:49,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:49,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:49,317 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 23:02:49,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:49,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 76 transitions. [2022-12-14 23:02:49,333 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-12-14 23:02:49,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:02:49,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:49,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:49,358 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 23:02:49,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:49,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 79 transitions. [2022-12-14 23:02:49,434 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-12-14 23:02:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:02:49,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:49,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:49,481 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 23:02:49,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:49,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 78 transitions. [2022-12-14 23:02:49,507 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-12-14 23:02:49,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:02:49,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:49,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:49,554 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 23:02:49,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:49,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 86 transitions. [2022-12-14 23:02:49,611 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-12-14 23:02:49,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:02:49,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:49,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:49,648 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 23:02:49,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:49,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 83 transitions. [2022-12-14 23:02:49,774 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-12-14 23:02:49,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:02:49,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:49,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:49,811 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 23:02:49,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:49,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 85 transitions. [2022-12-14 23:02:49,896 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-12-14 23:02:49,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:02:49,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:49,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:49,948 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 23:02:50,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:50,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 83 transitions. [2022-12-14 23:02:50,052 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-12-14 23:02:50,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:02:50,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:50,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:50,076 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 23:02:50,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:50,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 50 states and 66 transitions. [2022-12-14 23:02:50,091 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-14 23:02:50,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 23:02:50,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:50,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:50,124 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 23:02:50,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:50,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 48 states and 63 transitions. [2022-12-14 23:02:50,163 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-14 23:02:50,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 23:02:50,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:50,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:50,208 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 23:02:50,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:50,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 50 states and 67 transitions. [2022-12-14 23:02:50,243 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-14 23:02:50,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 23:02:50,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:50,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:50,289 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 23:02:50,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:50,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 53 states and 72 transitions. [2022-12-14 23:02:50,369 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 23:02:50,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 23:02:50,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:50,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:50,408 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 23:02:50,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:50,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 62 states and 86 transitions. [2022-12-14 23:02:50,806 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-12-14 23:02:50,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 23:02:50,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:50,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:50,841 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 23:02:51,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 90 transitions. [2022-12-14 23:02:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-12-14 23:02:51,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:02:51,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:51,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:51,068 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 23:02:51,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:51,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 62 states and 85 transitions. [2022-12-14 23:02:51,193 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-12-14 23:02:51,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:02:51,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:51,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:51,218 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 23:02:51,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:51,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 65 states and 90 transitions. [2022-12-14 23:02:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-12-14 23:02:51,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:02:51,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:51,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:51,367 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 23:02:51,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:51,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 68 states and 93 transitions. [2022-12-14 23:02:51,503 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2022-12-14 23:02:51,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:02:51,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:51,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:51,531 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 23:02:51,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:51,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 67 states and 90 transitions. [2022-12-14 23:02:51,737 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-12-14 23:02:51,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 23:02:51,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:51,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:51,834 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 23:02:51,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:51,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 69 states and 95 transitions. [2022-12-14 23:02:51,975 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2022-12-14 23:02:51,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 23:02:51,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:51,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:52,009 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 23:02:52,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:52,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 44 states and 56 transitions. [2022-12-14 23:02:52,221 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-14 23:02:52,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 23:02:52,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:52,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:52,299 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 23:02:52,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:52,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 43 states and 55 transitions. [2022-12-14 23:02:52,411 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-14 23:02:52,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:02:52,411 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-12-14 23:02:52,418 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 23:02:52,628 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:02:52,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:02:52 ImpRootNode [2022-12-14 23:02:52,632 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:02:52,632 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:02:52,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:02:52,633 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:02:52,633 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:02:48" (3/4) ... [2022-12-14 23:02:52,635 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:02:52,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 23:02:52,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 23:02:52,643 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 23:02:52,643 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 23:02:52,643 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 23:02:52,643 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:02:52,643 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:02:52,678 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9785351e-855b-41eb-9280-7b54775e7fd2/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:02:52,678 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:02:52,679 INFO L158 Benchmark]: Toolchain (without parser) took 5563.82ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 82.8MB in the beginning and 94.4MB in the end (delta: -11.7MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2022-12-14 23:02:52,679 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:02:52,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 768.26ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 82.5MB in the beginning and 81.4MB in the end (delta: 1.0MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2022-12-14 23:02:52,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.86ms. Allocated memory is still 144.7MB. Free memory was 81.4MB in the beginning and 78.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:02:52,680 INFO L158 Benchmark]: Boogie Preprocessor took 17.27ms. Allocated memory is still 144.7MB. Free memory was 78.6MB in the beginning and 76.5MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 23:02:52,680 INFO L158 Benchmark]: RCFGBuilder took 329.12ms. Allocated memory is still 144.7MB. Free memory was 76.5MB in the beginning and 104.9MB in the end (delta: -28.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 23:02:52,680 INFO L158 Benchmark]: CodeCheck took 4363.79ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 103.9MB in the beginning and 97.6MB in the end (delta: 6.3MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2022-12-14 23:02:52,681 INFO L158 Benchmark]: Witness Printer took 46.11ms. Allocated memory is still 174.1MB. Free memory was 97.6MB in the beginning and 94.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 23:02:52,682 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, 4698 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1669 mSDsluCounter, 3609 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1384 mSDsCounter, 1056 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4490 IncrementalHoareTripleChecker+Invalid, 5546 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1056 mSolverCounterUnsat, 2225 mSDtfsCounter, 4490 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6139 GetRequests, 5983 SyntacticMatches, 14 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9668 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s 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: 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: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: 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: 1664]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 768.26ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 82.5MB in the beginning and 81.4MB in the end (delta: 1.0MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.86ms. Allocated memory is still 144.7MB. Free memory was 81.4MB in the beginning and 78.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.27ms. Allocated memory is still 144.7MB. Free memory was 78.6MB in the beginning and 76.5MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 329.12ms. Allocated memory is still 144.7MB. Free memory was 76.5MB in the beginning and 104.9MB in the end (delta: -28.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 4363.79ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 103.9MB in the beginning and 97.6MB in the end (delta: 6.3MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * Witness Printer took 46.11ms. Allocated memory is still 174.1MB. Free memory was 97.6MB in the beginning and 94.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 23:02:52,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9785351e-855b-41eb-9280-7b54775e7fd2/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