./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_11_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_0d4babe1-e468-4378-a7f9-35ef70282795/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4babe1-e468-4378-a7f9-35ef70282795/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_0d4babe1-e468-4378-a7f9-35ef70282795/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4babe1-e468-4378-a7f9-35ef70282795/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4babe1-e468-4378-a7f9-35ef70282795/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_0d4babe1-e468-4378-a7f9-35ef70282795/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 25919008ec47e036bdb16cf99a5f9ace8b82ff13fb1eb4a07d3b880ae7a1eaf1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 01:28:39,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:28:39,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:28:39,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:28:39,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:28:39,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:28:39,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:28:39,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:28:39,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:28:39,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:28:39,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:28:39,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:28:39,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:28:39,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:28:39,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:28:39,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:28:39,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:28:39,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:28:39,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:28:39,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:28:39,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:28:39,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:28:39,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:28:39,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:28:39,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:28:39,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:28:39,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:28:39,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:28:39,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:28:39,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:28:39,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:28:39,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:28:39,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:28:39,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:28:39,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:28:39,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:28:39,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:28:39,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:28:39,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:28:39,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:28:39,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:28:39,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4babe1-e468-4378-a7f9-35ef70282795/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 01:28:39,966 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:28:39,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:28:39,967 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:28:39,967 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:28:39,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:28:39,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:28:39,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:28:39,968 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:28:39,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:28:39,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:28:39,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:28:39,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:28:39,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:28:39,969 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:28:39,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:28:39,969 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:28:39,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:28:39,970 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:28:39,970 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:28:39,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:28:39,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:28:39,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:28:39,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:28:39,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:28:39,971 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:28:39,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:28:39,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:28:39,971 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_0d4babe1-e468-4378-a7f9-35ef70282795/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4babe1-e468-4378-a7f9-35ef70282795/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25919008ec47e036bdb16cf99a5f9ace8b82ff13fb1eb4a07d3b880ae7a1eaf1 [2022-12-15 01:28:40,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:28:40,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:28:40,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:28:40,178 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:28:40,179 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:28:40,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4babe1-e468-4378-a7f9-35ef70282795/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_11_good.i [2022-12-15 01:28:42,737 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:28:42,962 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:28:42,962 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4babe1-e468-4378-a7f9-35ef70282795/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_11_good.i [2022-12-15 01:28:42,976 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4babe1-e468-4378-a7f9-35ef70282795/bin/ukojak-rkRKPMF4O4/data/7d24cd9c2/8b8805b9643b4882a4853dca92b1b642/FLAG5bfbf7cbb [2022-12-15 01:28:42,990 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4babe1-e468-4378-a7f9-35ef70282795/bin/ukojak-rkRKPMF4O4/data/7d24cd9c2/8b8805b9643b4882a4853dca92b1b642 [2022-12-15 01:28:42,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:28:42,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:28:42,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:28:42,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:28:42,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:28:42,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:28:42" (1/1) ... [2022-12-15 01:28:43,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32adb507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:42, skipping insertion in model container [2022-12-15 01:28:43,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:28:42" (1/1) ... [2022-12-15 01:28:43,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:28:43,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:28:43,307 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:28:43,651 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:28:43,656 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:28:43,658 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:28:43,660 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:28:43,661 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:28:43,680 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:28:43,686 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:28:43,695 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:28:43,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:28:43,704 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:28:43,720 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 01:28:43,764 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 01:28:43,766 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:28:43,767 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 01:28:43,769 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:28:43,770 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 01:28:43,774 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:28:43,777 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 01:28:43,782 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 01:28:43,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:28:43,884 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:28:43,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:43 WrapperNode [2022-12-15 01:28:43,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:28:43,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:28:43,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:28:43,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:28:43,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:43" (1/1) ... [2022-12-15 01:28:43,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:43" (1/1) ... [2022-12-15 01:28:43,936 INFO L138 Inliner]: procedures = 504, calls = 93, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 151 [2022-12-15 01:28:43,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:28:43,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:28:43,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:28:43,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:28:43,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:43" (1/1) ... [2022-12-15 01:28:43,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:43" (1/1) ... [2022-12-15 01:28:43,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:43" (1/1) ... [2022-12-15 01:28:43,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:43" (1/1) ... [2022-12-15 01:28:43,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:43" (1/1) ... [2022-12-15 01:28:43,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:43" (1/1) ... [2022-12-15 01:28:43,960 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:43" (1/1) ... [2022-12-15 01:28:43,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:43" (1/1) ... [2022-12-15 01:28:43,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:28:43,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:28:43,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:28:43,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:28:43,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:28:43" (1/1) ... [2022-12-15 01:28:43,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:28:43,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4babe1-e468-4378-a7f9-35ef70282795/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:28:43,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4babe1-e468-4378-a7f9-35ef70282795/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:28:43,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4babe1-e468-4378-a7f9-35ef70282795/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:28:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 01:28:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 01:28:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-15 01:28:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 01:28:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 01:28:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-12-15 01:28:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-12-15 01:28:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:28:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-15 01:28:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:28:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:28:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:28:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:28:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2022-12-15 01:28:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2022-12-15 01:28:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 01:28:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:28:44,163 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:28:44,165 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:28:44,326 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:28:44,349 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:28:44,349 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 01:28:44,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:28:44 BoogieIcfgContainer [2022-12-15 01:28:44,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:28:44,351 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:28:44,351 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:28:44,358 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:28:44,359 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:28:44" (1/1) ... [2022-12-15 01:28:44,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:28:44,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:44,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2022-12-15 01:28:44,404 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2022-12-15 01:28:44,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:28:44,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:44,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:44,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:28:44,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:44,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 98 transitions. [2022-12-15 01:28:44,651 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2022-12-15 01:28:44,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:28:44,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:44,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:44,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:28:44,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:44,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 72 states and 97 transitions. [2022-12-15 01:28:44,753 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2022-12-15 01:28:44,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:28:44,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:44,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:28:44,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:44,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2022-12-15 01:28:44,900 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2022-12-15 01:28:44,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 01:28:44,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:44,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:44,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:28:45,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 71 states and 96 transitions. [2022-12-15 01:28:45,058 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2022-12-15 01:28:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 01:28:45,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:45,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:45,138 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:28:45,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:45,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 70 states and 93 transitions. [2022-12-15 01:28:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2022-12-15 01:28:45,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 01:28:45,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:45,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:45,279 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:28:45,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:45,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 70 states and 92 transitions. [2022-12-15 01:28:45,312 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2022-12-15 01:28:45,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 01:28:45,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:45,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:28:45,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:45,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 69 states and 91 transitions. [2022-12-15 01:28:45,392 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2022-12-15 01:28:45,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 01:28:45,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:45,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:45,453 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:28:45,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:45,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 76 states and 101 transitions. [2022-12-15 01:28:45,527 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2022-12-15 01:28:45,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 01:28:45,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:45,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:45,585 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 01:28:45,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:45,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 68 states and 90 transitions. [2022-12-15 01:28:45,704 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2022-12-15 01:28:45,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 01:28:45,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:45,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-15 01:28:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:45,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 89 transitions. [2022-12-15 01:28:45,896 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2022-12-15 01:28:45,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 01:28:45,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:45,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:45,974 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-15 01:28:46,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:46,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 72 states and 96 transitions. [2022-12-15 01:28:46,016 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2022-12-15 01:28:46,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-15 01:28:46,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:46,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:46,085 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-15 01:28:46,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:46,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 77 states and 104 transitions. [2022-12-15 01:28:46,186 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 104 transitions. [2022-12-15 01:28:46,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-15 01:28:46,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:46,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:46,270 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-15 01:28:46,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:46,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 65 states and 84 transitions. [2022-12-15 01:28:46,313 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2022-12-15 01:28:46,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-15 01:28:46,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:46,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:46,393 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-15 01:28:46,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:46,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 65 states and 83 transitions. [2022-12-15 01:28:46,556 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2022-12-15 01:28:46,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-15 01:28:46,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:46,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-15 01:28:46,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:46,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 64 states and 82 transitions. [2022-12-15 01:28:46,770 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2022-12-15 01:28:46,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-15 01:28:46,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:46,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:46,896 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-15 01:28:47,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:47,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 63 states and 81 transitions. [2022-12-15 01:28:47,016 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2022-12-15 01:28:47,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:28:47,017 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2022-12-15 01:28:47,024 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-15 01:28:47,143 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:28:47,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:28:47 ImpRootNode [2022-12-15 01:28:47,148 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:28:47,148 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:28:47,148 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:28:47,148 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:28:47,148 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:28:44" (3/4) ... [2022-12-15 01:28:47,151 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:28:47,155 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 01:28:47,155 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2022-12-15 01:28:47,155 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 01:28:47,155 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2022-12-15 01:28:47,158 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-15 01:28:47,159 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 01:28:47,159 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 01:28:47,159 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:28:47,159 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:28:47,203 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4babe1-e468-4378-a7f9-35ef70282795/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:28:47,203 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:28:47,204 INFO L158 Benchmark]: Toolchain (without parser) took 4210.27ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 101.1MB in the beginning and 95.9MB in the end (delta: 5.1MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2022-12-15 01:28:47,204 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 138.4MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:28:47,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 889.87ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 101.1MB in the beginning and 123.3MB in the end (delta: -22.2MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2022-12-15 01:28:47,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.96ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 120.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:28:47,205 INFO L158 Benchmark]: Boogie Preprocessor took 27.69ms. Allocated memory is still 167.8MB. Free memory was 120.2MB in the beginning and 118.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:28:47,205 INFO L158 Benchmark]: RCFGBuilder took 385.97ms. Allocated memory is still 167.8MB. Free memory was 118.1MB in the beginning and 98.1MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 01:28:47,206 INFO L158 Benchmark]: CodeCheck took 2796.18ms. Allocated memory is still 167.8MB. Free memory was 98.1MB in the beginning and 100.0MB in the end (delta: -1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:28:47,206 INFO L158 Benchmark]: Witness Printer took 55.32ms. Allocated memory is still 167.8MB. Free memory was 100.0MB in the beginning and 95.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:28:47,208 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 5 procedures, 73 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2763 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 536 mSDsluCounter, 1967 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 328 mSDsCounter, 487 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1732 IncrementalHoareTripleChecker+Invalid, 2219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 487 mSolverCounterUnsat, 1639 mSDtfsCounter, 1732 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5029 GetRequests, 4949 SyntacticMatches, 14 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1096 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 650 NumberOfCodeBlocks, 650 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 634 ConstructedInterpolants, 0 QuantifiedInterpolants, 836 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 236/242 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: 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: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: 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: 1666]: 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 138.4MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 889.87ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 101.1MB in the beginning and 123.3MB in the end (delta: -22.2MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.96ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 120.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.69ms. Allocated memory is still 167.8MB. Free memory was 120.2MB in the beginning and 118.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 385.97ms. Allocated memory is still 167.8MB. Free memory was 118.1MB in the beginning and 98.1MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2796.18ms. Allocated memory is still 167.8MB. Free memory was 98.1MB in the beginning and 100.0MB in the end (delta: -1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 55.32ms. Allocated memory is still 167.8MB. Free memory was 100.0MB in the beginning and 95.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:28:47,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4babe1-e468-4378-a7f9-35ef70282795/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