./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e0825-47f3-43f3-94f4-240367a90a32/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e0825-47f3-43f3-94f4-240367a90a32/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_cd9e0825-47f3-43f3-94f4-240367a90a32/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e0825-47f3-43f3-94f4-240367a90a32/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e0825-47f3-43f3-94f4-240367a90a32/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_cd9e0825-47f3-43f3-94f4-240367a90a32/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 24b324df47240879a1026414d2072939995ae458b0fcac5c73b0c0533472de23 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 18:36:04,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:36:04,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:36:04,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:36:04,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:36:04,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:36:04,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:36:04,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:36:04,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:36:04,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:36:04,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:36:04,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:36:04,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:36:04,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:36:04,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:36:04,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:36:04,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:36:04,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:36:04,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:36:04,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:36:04,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:36:04,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:36:04,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:36:04,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:36:04,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:36:04,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:36:04,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:36:04,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:36:04,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:36:04,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:36:04,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:36:04,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:36:04,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:36:04,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:36:04,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:36:04,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:36:04,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:36:04,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:36:04,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:36:04,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:36:04,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:36:04,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e0825-47f3-43f3-94f4-240367a90a32/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:36:04,834 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:36:04,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:36:04,835 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:36:04,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:36:04,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:36:04,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:36:04,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:36:04,837 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:36:04,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:36:04,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:36:04,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:36:04,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:36:04,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:36:04,837 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:36:04,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:36:04,838 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:36:04,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:36:04,838 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:36:04,838 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:36:04,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:36:04,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:36:04,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:36:04,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:36:04,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:36:04,839 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:36:04,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:36:04,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:36:04,839 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_cd9e0825-47f3-43f3-94f4-240367a90a32/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e0825-47f3-43f3-94f4-240367a90a32/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24b324df47240879a1026414d2072939995ae458b0fcac5c73b0c0533472de23 [2022-12-14 18:36:05,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:36:05,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:36:05,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:36:05,067 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:36:05,068 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:36:05,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e0825-47f3-43f3-94f4-240367a90a32/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_04_good.i [2022-12-14 18:36:07,614 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:36:07,831 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:36:07,831 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e0825-47f3-43f3-94f4-240367a90a32/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_04_good.i [2022-12-14 18:36:07,843 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e0825-47f3-43f3-94f4-240367a90a32/bin/ukojak-rkRKPMF4O4/data/992c29779/741c36ba0e894941be2a1927391ec1a9/FLAG5391226a1 [2022-12-14 18:36:08,178 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e0825-47f3-43f3-94f4-240367a90a32/bin/ukojak-rkRKPMF4O4/data/992c29779/741c36ba0e894941be2a1927391ec1a9 [2022-12-14 18:36:08,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:36:08,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:36:08,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:36:08,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:36:08,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:36:08,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:36:08" (1/1) ... [2022-12-14 18:36:08,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6735ed34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:08, skipping insertion in model container [2022-12-14 18:36:08,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:36:08" (1/1) ... [2022-12-14 18:36:08,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:36:08,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:36:08,452 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:36:08,767 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:36:08,771 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:36:08,773 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:36:08,774 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:36:08,775 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:36:08,791 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:36:08,796 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:36:08,803 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:36:08,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:36:08,812 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:36:08,825 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:36:08,856 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:36:08,857 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:36:08,858 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:36:08,860 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:36:08,860 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:36:08,873 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:36:08,876 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:36:08,879 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:36:08,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:36:08,945 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:36:08,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:08 WrapperNode [2022-12-14 18:36:08,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:36:08,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:36:08,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:36:08,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:36:08,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:08" (1/1) ... [2022-12-14 18:36:08,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:08" (1/1) ... [2022-12-14 18:36:08,981 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 109 [2022-12-14 18:36:08,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:36:08,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:36:08,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:36:08,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:36:08,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:08" (1/1) ... [2022-12-14 18:36:08,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:08" (1/1) ... [2022-12-14 18:36:08,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:08" (1/1) ... [2022-12-14 18:36:08,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:08" (1/1) ... [2022-12-14 18:36:08,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:08" (1/1) ... [2022-12-14 18:36:08,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:08" (1/1) ... [2022-12-14 18:36:08,998 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:08" (1/1) ... [2022-12-14 18:36:08,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:08" (1/1) ... [2022-12-14 18:36:09,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:36:09,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:36:09,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:36:09,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:36:09,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:08" (1/1) ... [2022-12-14 18:36:09,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:36:09,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e0825-47f3-43f3-94f4-240367a90a32/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:36:09,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e0825-47f3-43f3-94f4-240367a90a32/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:36:09,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e0825-47f3-43f3-94f4-240367a90a32/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:36:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 18:36:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 18:36:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 18:36:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 18:36:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 18:36:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:36:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 18:36:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:36:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:36:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:36:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:36:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 18:36:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:36:09,176 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:36:09,177 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:36:09,347 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:36:09,377 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:36:09,378 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:36:09,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:36:09 BoogieIcfgContainer [2022-12-14 18:36:09,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:36:09,381 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:36:09,381 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:36:09,390 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:36:09,390 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:36:09" (1/1) ... [2022-12-14 18:36:09,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:36:09,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:09,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-12-14 18:36:09,438 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-12-14 18:36:09,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:36:09,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:09,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:09,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:36:09,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-12-14 18:36:09,670 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 18:36:09,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:36:09,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:09,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:09,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:36:09,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:09,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 71 transitions. [2022-12-14 18:36:09,754 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-12-14 18:36:09,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:36:09,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:09,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:09,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:36:09,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:09,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-12-14 18:36:09,875 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-12-14 18:36:09,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:36:09,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:09,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:09,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:36:09,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:10,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 70 transitions. [2022-12-14 18:36:10,000 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-14 18:36:10,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:36:10,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:10,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:10,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:36:10,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:10,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 72 transitions. [2022-12-14 18:36:10,304 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 18:36:10,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 18:36:10,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:10,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:10,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:36:10,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:10,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 82 transitions. [2022-12-14 18:36:10,539 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-12-14 18:36:10,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:36:10,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:10,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:10,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:36:10,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:10,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 76 transitions. [2022-12-14 18:36:10,588 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-12-14 18:36:10,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:36:10,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:10,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:36:10,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:10,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 79 transitions. [2022-12-14 18:36:10,698 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-12-14 18:36:10,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:36:10,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:10,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:36:10,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:10,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 78 transitions. [2022-12-14 18:36:10,762 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-12-14 18:36:10,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:36:10,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:10,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:10,811 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 18:36:10,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:10,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 86 transitions. [2022-12-14 18:36:10,872 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-12-14 18:36:10,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:36:10,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:10,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:36:11,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:11,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 83 transitions. [2022-12-14 18:36:11,023 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-12-14 18:36:11,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:36:11,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:11,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:11,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:36:11,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:11,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 85 transitions. [2022-12-14 18:36:11,141 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-12-14 18:36:11,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:36:11,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:11,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:36:11,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:11,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 83 transitions. [2022-12-14 18:36:11,309 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-12-14 18:36:11,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:36:11,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:11,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:11,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:36:11,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:11,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 50 states and 66 transitions. [2022-12-14 18:36:11,351 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-14 18:36:11,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 18:36:11,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:11,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:11,380 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:36:11,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 48 states and 63 transitions. [2022-12-14 18:36:11,417 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-14 18:36:11,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 18:36:11,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:11,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:11,464 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:36:11,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:11,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 50 states and 67 transitions. [2022-12-14 18:36:11,494 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-14 18:36:11,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 18:36:11,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:11,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:11,549 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:36:11,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:11,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 53 states and 72 transitions. [2022-12-14 18:36:11,629 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 18:36:11,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 18:36:11,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:11,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:11,659 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 18:36:12,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:12,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 62 states and 86 transitions. [2022-12-14 18:36:12,061 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-12-14 18:36:12,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 18:36:12,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:12,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:12,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:36:12,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:12,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 90 transitions. [2022-12-14 18:36:12,290 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-12-14 18:36:12,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 18:36:12,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:12,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:12,318 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:36:12,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:12,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 62 states and 85 transitions. [2022-12-14 18:36:12,450 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-12-14 18:36:12,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 18:36:12,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:12,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:12,476 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:36:12,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:12,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 65 states and 88 transitions. [2022-12-14 18:36:12,607 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2022-12-14 18:36:12,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:36:12,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:12,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:12,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:36:12,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:12,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 63 states and 85 transitions. [2022-12-14 18:36:12,767 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2022-12-14 18:36:12,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 18:36:12,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:12,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:12,817 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 18:36:13,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:13,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 62 states and 82 transitions. [2022-12-14 18:36:13,001 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-12-14 18:36:13,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 18:36:13,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:13,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:13,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:36:13,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:13,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 64 states and 87 transitions. [2022-12-14 18:36:13,234 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2022-12-14 18:36:13,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 18:36:13,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:13,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:13,266 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 18:36:13,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:13,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 44 states and 56 transitions. [2022-12-14 18:36:13,283 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-14 18:36:13,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 18:36:13,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:36:13,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:36:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:36:13,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:36:13,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:36:13,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 43 states and 55 transitions. [2022-12-14 18:36:13,466 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-14 18:36:13,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:36:13,466 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-12-14 18:36:13,474 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 18:36:13,658 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:36:13,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:36:13 ImpRootNode [2022-12-14 18:36:13,662 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:36:13,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:36:13,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:36:13,662 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:36:13,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:36:09" (3/4) ... [2022-12-14 18:36:13,665 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:36:13,668 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 18:36:13,668 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 18:36:13,671 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 18:36:13,672 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 18:36:13,672 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 18:36:13,672 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:36:13,672 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:36:13,709 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e0825-47f3-43f3-94f4-240367a90a32/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:36:13,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:36:13,710 INFO L158 Benchmark]: Toolchain (without parser) took 5529.04ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 98.5MB in the beginning and 84.1MB in the end (delta: 14.4MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2022-12-14 18:36:13,710 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory was 50.1MB in the beginning and 50.0MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:36:13,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 763.54ms. Allocated memory is still 136.3MB. Free memory was 98.1MB in the beginning and 68.5MB in the end (delta: 29.6MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2022-12-14 18:36:13,711 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.97ms. Allocated memory is still 136.3MB. Free memory was 68.5MB in the beginning and 65.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:36:13,711 INFO L158 Benchmark]: Boogie Preprocessor took 18.88ms. Allocated memory is still 136.3MB. Free memory was 65.7MB in the beginning and 63.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:36:13,711 INFO L158 Benchmark]: RCFGBuilder took 378.96ms. Allocated memory is still 136.3MB. Free memory was 63.6MB in the beginning and 96.8MB in the end (delta: -33.1MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-12-14 18:36:13,711 INFO L158 Benchmark]: CodeCheck took 4280.38ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 96.8MB in the beginning and 87.2MB in the end (delta: 9.6MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2022-12-14 18:36:13,711 INFO L158 Benchmark]: Witness Printer took 47.63ms. Allocated memory is still 163.6MB. Free memory was 87.2MB in the beginning and 84.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:36:13,713 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4692 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1661 mSDsluCounter, 3593 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1372 mSDsCounter, 1052 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4452 IncrementalHoareTripleChecker+Invalid, 5504 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1052 mSolverCounterUnsat, 2221 mSDtfsCounter, 4452 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6104 GetRequests, 5956 SyntacticMatches, 14 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8584 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 589 ConstructedInterpolants, 0 QuantifiedInterpolants, 1248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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 0.23ms. Allocated memory is still 102.8MB. Free memory was 50.1MB in the beginning and 50.0MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 763.54ms. Allocated memory is still 136.3MB. Free memory was 98.1MB in the beginning and 68.5MB in the end (delta: 29.6MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.97ms. Allocated memory is still 136.3MB. Free memory was 68.5MB in the beginning and 65.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.88ms. Allocated memory is still 136.3MB. Free memory was 65.7MB in the beginning and 63.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.96ms. Allocated memory is still 136.3MB. Free memory was 63.6MB in the beginning and 96.8MB in the end (delta: -33.1MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * CodeCheck took 4280.38ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 96.8MB in the beginning and 87.2MB in the end (delta: 9.6MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Witness Printer took 47.63ms. Allocated memory is still 163.6MB. Free memory was 87.2MB in the beginning and 84.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:36:13,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd9e0825-47f3-43f3-94f4-240367a90a32/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