./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_13_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_91420dcf-b58c-4945-9616-3418e4d936a6/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91420dcf-b58c-4945-9616-3418e4d936a6/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_91420dcf-b58c-4945-9616-3418e4d936a6/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91420dcf-b58c-4945-9616-3418e4d936a6/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_13_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91420dcf-b58c-4945-9616-3418e4d936a6/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_91420dcf-b58c-4945-9616-3418e4d936a6/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 a46d655d9302b100c7676035b87f0afdbe187c7ae15fd83810f4090763bfc5f8 --- 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 18:05:07,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:05:07,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:05:07,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:05:07,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:05:07,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:05:07,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:05:07,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:05:07,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:05:07,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:05:07,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:05:07,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:05:07,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:05:07,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:05:07,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:05:07,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:05:07,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:05:07,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:05:07,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:05:07,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:05:07,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:05:07,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:05:07,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:05:07,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:05:07,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:05:07,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:05:07,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:05:07,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:05:07,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:05:07,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:05:07,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:05:07,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:05:07,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:05:07,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:05:07,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:05:07,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:05:07,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:05:07,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:05:07,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:05:07,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:05:07,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:05:07,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91420dcf-b58c-4945-9616-3418e4d936a6/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:05:07,992 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:05:07,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:05:07,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:05:07,993 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:05:07,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:05:07,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:05:07,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:05:07,994 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:05:07,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:05:07,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:05:07,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:05:07,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:05:07,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:05:07,995 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:05:07,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:05:07,996 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:05:07,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:05:07,996 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:05:07,996 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:05:07,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:05:07,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:05:07,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:05:07,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:05:07,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:05:07,997 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:05:07,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:05:07,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:05:07,998 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_91420dcf-b58c-4945-9616-3418e4d936a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91420dcf-b58c-4945-9616-3418e4d936a6/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a46d655d9302b100c7676035b87f0afdbe187c7ae15fd83810f4090763bfc5f8 [2022-12-14 18:05:08,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:05:08,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:05:08,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:05:08,226 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:05:08,227 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:05:08,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91420dcf-b58c-4945-9616-3418e4d936a6/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_13_good.i [2022-12-14 18:05:10,833 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:05:11,084 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:05:11,084 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91420dcf-b58c-4945-9616-3418e4d936a6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_13_good.i [2022-12-14 18:05:11,099 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91420dcf-b58c-4945-9616-3418e4d936a6/bin/ukojak-rkRKPMF4O4/data/38ecaa97c/ea1c1d7d960c44a4b3c97ea57d383a62/FLAG713f1fc24 [2022-12-14 18:05:11,110 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91420dcf-b58c-4945-9616-3418e4d936a6/bin/ukojak-rkRKPMF4O4/data/38ecaa97c/ea1c1d7d960c44a4b3c97ea57d383a62 [2022-12-14 18:05:11,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:05:11,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:05:11,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:05:11,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:05:11,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:05:11,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:05:11" (1/1) ... [2022-12-14 18:05:11,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3411f95b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11, skipping insertion in model container [2022-12-14 18:05:11,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:05:11" (1/1) ... [2022-12-14 18:05:11,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:05:11,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:05:11,430 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:05:11,734 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:05:11,739 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:05:11,741 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:05:11,744 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:05:11,745 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:05:11,763 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:05:11,769 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:05:11,778 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:05:11,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:05:11,789 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:05:11,803 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:05:11,833 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:05:11,834 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:05:11,835 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:05:11,836 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:05:11,837 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:05:11,840 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:05:11,842 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 18:05:11,845 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:05:11,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:05:11,941 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:05:11,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11 WrapperNode [2022-12-14 18:05:11,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:05:11,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:05:11,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:05:11,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:05:11,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 18:05:11,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 18:05:11,981 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2022-12-14 18:05:11,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:05:11,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:05:11,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:05:11,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:05:11,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 18:05:11,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 18:05:11,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 18:05:11,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 18:05:11,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 18:05:11,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 18:05:11,999 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 18:05:12,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 18:05:12,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:05:12,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:05:12,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:05:12,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:05:12,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:05:11" (1/1) ... [2022-12-14 18:05:12,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:05:12,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91420dcf-b58c-4945-9616-3418e4d936a6/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:05:12,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91420dcf-b58c-4945-9616-3418e4d936a6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:05:12,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91420dcf-b58c-4945-9616-3418e4d936a6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:05:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 18:05:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 18:05:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 18:05:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 18:05:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 18:05:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:05:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 18:05:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:05:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:05:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:05:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:05:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 18:05:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:05:12,191 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:05:12,193 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:05:12,351 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:05:12,374 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:05:12,375 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:05:12,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:05:12 BoogieIcfgContainer [2022-12-14 18:05:12,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:05:12,377 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:05:12,377 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:05:12,385 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:05:12,385 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:05:12" (1/1) ... [2022-12-14 18:05:12,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:05:12,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:12,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-12-14 18:05:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-12-14 18:05:12,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:05:12,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:12,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:12,591 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 18:05:12,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:12,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 72 transitions. [2022-12-14 18:05:12,629 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 18:05:12,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:05:12,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:12,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:12,723 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 18:05:12,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 78 transitions. [2022-12-14 18:05:12,755 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-12-14 18:05:12,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:05:12,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:12,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:12,816 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 18:05:12,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:12,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 77 transitions. [2022-12-14 18:05:12,858 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2022-12-14 18:05:12,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:05:12,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:12,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:12,929 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 18:05:12,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:12,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 70 transitions. [2022-12-14 18:05:12,994 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-14 18:05:12,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:05:12,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:12,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:13,031 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 18:05:13,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:13,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 72 transitions. [2022-12-14 18:05:13,120 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 18:05:13,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 18:05:13,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:13,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:13,158 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 18:05:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 75 transitions. [2022-12-14 18:05:13,180 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2022-12-14 18:05:13,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:05:13,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:13,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:13,217 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 18:05:13,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:13,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 69 transitions. [2022-12-14 18:05:13,232 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2022-12-14 18:05:13,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:05:13,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:13,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:13,262 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 18:05:13,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:13,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 50 states and 66 transitions. [2022-12-14 18:05:13,372 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-14 18:05:13,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:05:13,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:13,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:13,429 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 18:05:13,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:13,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 54 states and 72 transitions. [2022-12-14 18:05:13,461 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2022-12-14 18:05:13,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:05:13,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:13,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:13,505 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 18:05:13,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:13,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 71 transitions. [2022-12-14 18:05:13,548 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2022-12-14 18:05:13,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:05:13,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:13,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:13,585 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 18:05:13,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:13,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 55 states and 73 transitions. [2022-12-14 18:05:13,646 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2022-12-14 18:05:13,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 18:05:13,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:13,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:13,699 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 18:05:13,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:13,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 66 transitions. [2022-12-14 18:05:13,777 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-14 18:05:13,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 18:05:13,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:13,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:13,805 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 18:05:13,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 48 states and 63 transitions. [2022-12-14 18:05:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-14 18:05:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 18:05:13,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:13,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:13,892 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 18:05:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:13,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 67 transitions. [2022-12-14 18:05:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-14 18:05:13,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 18:05:13,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:13,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:13,965 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 18:05:13,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:13,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 51 states and 68 transitions. [2022-12-14 18:05:13,979 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-12-14 18:05:13,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 18:05:13,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:13,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:14,014 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 18:05:14,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:14,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 53 states and 70 transitions. [2022-12-14 18:05:14,040 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-12-14 18:05:14,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 18:05:14,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:14,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:14,076 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 18:05:14,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:14,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 54 states and 71 transitions. [2022-12-14 18:05:14,143 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2022-12-14 18:05:14,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 18:05:14,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:14,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:14,170 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 18:05:14,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:14,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 45 states and 57 transitions. [2022-12-14 18:05:14,330 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-12-14 18:05:14,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 18:05:14,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:14,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:14,405 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 18:05:14,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:14,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 44 states and 56 transitions. [2022-12-14 18:05:14,450 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-14 18:05:14,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 18:05:14,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:05:14,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:05:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:05:14,512 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 18:05:14,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:05:14,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 43 states and 55 transitions. [2022-12-14 18:05:14,527 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-14 18:05:14,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:05:14,528 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-12-14 18:05:14,536 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 18:05:14,644 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:05:14,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:05:14 ImpRootNode [2022-12-14 18:05:14,649 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:05:14,649 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:05:14,649 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:05:14,650 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:05:14,650 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:05:12" (3/4) ... [2022-12-14 18:05:14,653 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:05:14,658 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 18:05:14,658 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 18:05:14,662 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 18:05:14,663 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 18:05:14,663 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 18:05:14,663 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:05:14,663 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:05:14,711 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91420dcf-b58c-4945-9616-3418e4d936a6/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:05:14,711 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:05:14,712 INFO L158 Benchmark]: Toolchain (without parser) took 3598.18ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 99.6MB in the beginning and 81.3MB in the end (delta: 18.3MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2022-12-14 18:05:14,712 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:05:14,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 827.64ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 99.1MB in the beginning and 116.5MB in the end (delta: -17.4MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2022-12-14 18:05:14,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.90ms. Allocated memory is still 167.8MB. Free memory was 116.5MB in the beginning and 113.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:05:14,713 INFO L158 Benchmark]: Boogie Preprocessor took 19.63ms. Allocated memory is still 167.8MB. Free memory was 113.4MB in the beginning and 112.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:05:14,713 INFO L158 Benchmark]: RCFGBuilder took 374.39ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 93.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 18:05:14,713 INFO L158 Benchmark]: CodeCheck took 2271.78ms. Allocated memory is still 167.8MB. Free memory was 93.4MB in the beginning and 84.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-12-14 18:05:14,714 INFO L158 Benchmark]: Witness Printer took 62.11ms. Allocated memory is still 167.8MB. Free memory was 84.4MB in the beginning and 81.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:05:14,715 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2660 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 834 mSDsluCounter, 2138 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 646 mSDsCounter, 502 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1909 IncrementalHoareTripleChecker+Invalid, 2411 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 502 mSolverCounterUnsat, 1492 mSDtfsCounter, 1909 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4007 GetRequests, 3937 SyntacticMatches, 8 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1631 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 440 NumberOfCodeBlocks, 440 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 420 ConstructedInterpolants, 0 QuantifiedInterpolants, 834 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 78/78 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 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 0.23ms. Allocated memory is still 138.4MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 827.64ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 99.1MB in the beginning and 116.5MB in the end (delta: -17.4MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.90ms. Allocated memory is still 167.8MB. Free memory was 116.5MB in the beginning and 113.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.63ms. Allocated memory is still 167.8MB. Free memory was 113.4MB in the beginning and 112.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 374.39ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 93.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2271.78ms. Allocated memory is still 167.8MB. Free memory was 93.4MB in the beginning and 84.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Witness Printer took 62.11ms. Allocated memory is still 167.8MB. Free memory was 84.4MB in the beginning and 81.3MB 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 18:05:14,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91420dcf-b58c-4945-9616-3418e4d936a6/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