./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f316f405-d7db-4375-b881-4d03c0c1c77f/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f316f405-d7db-4375-b881-4d03c0c1c77f/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f316f405-d7db-4375-b881-4d03c0c1c77f/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f316f405-d7db-4375-b881-4d03c0c1c77f/bin/ukojak-jW3SillKbg/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_f316f405-d7db-4375-b881-4d03c0c1c77f/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f316f405-d7db-4375-b881-4d03c0c1c77f/bin/ukojak-jW3SillKbg --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-b5237d8 [2022-11-21 22:41:36,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:41:36,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:41:36,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:41:36,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:41:36,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:41:36,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:41:36,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:41:36,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:41:36,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:41:36,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:41:36,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:41:36,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:41:36,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:41:36,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:41:36,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:41:36,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:41:36,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:41:36,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:41:36,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:41:36,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:41:36,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:41:36,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:41:36,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:41:36,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:41:36,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:41:36,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:41:36,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:41:36,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:41:36,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:41:36,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:41:36,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:41:36,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:41:36,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:41:36,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:41:36,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:41:36,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:41:36,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:41:36,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:41:36,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:41:36,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:41:36,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f316f405-d7db-4375-b881-4d03c0c1c77f/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:41:36,647 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:41:36,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:41:36,648 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:41:36,648 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:41:36,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:41:36,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:41:36,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:41:36,650 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:41:36,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:41:36,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:41:36,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:41:36,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:41:36,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:41:36,652 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:41:36,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:41:36,652 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:41:36,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:41:36,653 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:41:36,653 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:41:36,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:41:36,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:41:36,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:41:36,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:41:36,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:41:36,654 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:41:36,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:41:36,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:41:36,655 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_f316f405-d7db-4375-b881-4d03c0c1c77f/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f316f405-d7db-4375-b881-4d03c0c1c77f/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24b324df47240879a1026414d2072939995ae458b0fcac5c73b0c0533472de23 [2022-11-21 22:41:36,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:41:36,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:41:36,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:41:36,984 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:41:36,984 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:41:36,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f316f405-d7db-4375-b881-4d03c0c1c77f/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_04_good.i [2022-11-21 22:41:39,979 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:41:40,405 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:41:40,407 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f316f405-d7db-4375-b881-4d03c0c1c77f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_04_good.i [2022-11-21 22:41:40,440 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f316f405-d7db-4375-b881-4d03c0c1c77f/bin/ukojak-jW3SillKbg/data/28c8c9621/7ac7127783674af5bff4fdbed219ca3d/FLAGd7e2ead59 [2022-11-21 22:41:40,462 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f316f405-d7db-4375-b881-4d03c0c1c77f/bin/ukojak-jW3SillKbg/data/28c8c9621/7ac7127783674af5bff4fdbed219ca3d [2022-11-21 22:41:40,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:41:40,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:41:40,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:41:40,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:41:40,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:41:40,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:41:40" (1/1) ... [2022-11-21 22:41:40,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4f2b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:40, skipping insertion in model container [2022-11-21 22:41:40,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:41:40" (1/1) ... [2022-11-21 22:41:40,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:41:40,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:41:40,993 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:41:41,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:41:41,548 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:41:41,581 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:41:41,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:41:41,789 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:41:41,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41 WrapperNode [2022-11-21 22:41:41,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:41:41,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:41:41,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:41:41,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:41:41,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,870 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 109 [2022-11-21 22:41:41,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:41:41,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:41:41,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:41:41,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:41:41,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,913 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:41:41,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:41:41,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:41:41,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:41:41,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:41:41,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f316f405-d7db-4375-b881-4d03c0c1c77f/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:41:41,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f316f405-d7db-4375-b881-4d03c0c1c77f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:41:41,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f316f405-d7db-4375-b881-4d03c0c1c77f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:41:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 22:41:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 22:41:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 22:41:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:41:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:41:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:41:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 22:41:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:41:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:41:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:41:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:41:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:41:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:41:42,196 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:41:42,198 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:41:42,427 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:41:42,461 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:41:42,461 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:41:42,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:41:42 BoogieIcfgContainer [2022-11-21 22:41:42,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:41:42,466 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:41:42,466 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:41:42,490 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:41:42,490 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:41:42" (1/1) ... [2022-11-21 22:41:42,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:41:42,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:42,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-21 22:41:42,573 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-21 22:41:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:41:42,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:42,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:41:42,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:42,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-11-21 22:41:42,939 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 22:41:42,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:41:42,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:42,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:43,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:41:43,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:43,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-11-21 22:41:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-21 22:41:43,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:41:43,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:43,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:43,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:41:43,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:43,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 77 transitions. [2022-11-21 22:41:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2022-11-21 22:41:43,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:41:43,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:43,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:43,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:41:43,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:43,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 70 transitions. [2022-11-21 22:41:43,595 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-21 22:41:43,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 22:41:43,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:43,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:43,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:41:44,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:44,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 72 transitions. [2022-11-21 22:41:44,084 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 22:41:44,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:41:44,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:44,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:41:44,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:44,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 59 states and 82 transitions. [2022-11-21 22:41:44,512 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-11-21 22:41:44,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:41:44,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:44,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:44,575 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:41:44,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:44,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 76 transitions. [2022-11-21 22:41:44,603 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-21 22:41:44,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:41:44,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:44,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:44,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:41:44,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:44,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 79 transitions. [2022-11-21 22:41:44,857 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-11-21 22:41:44,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:41:44,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:44,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:44,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:41:44,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:44,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 63 states and 86 transitions. [2022-11-21 22:41:44,963 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-21 22:41:44,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:41:44,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:44,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:45,020 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:41:45,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 83 transitions. [2022-11-21 22:41:45,221 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-11-21 22:41:45,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:41:45,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:45,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:45,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:41:45,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:45,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 82 transitions. [2022-11-21 22:41:45,388 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2022-11-21 22:41:45,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:41:45,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:45,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:45,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:41:45,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:45,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 84 transitions. [2022-11-21 22:41:45,559 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-11-21 22:41:45,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:41:45,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:45,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:45,665 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:41:45,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:45,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 62 states and 82 transitions. [2022-11-21 22:41:45,820 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-11-21 22:41:45,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:41:45,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:45,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:45,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:41:45,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:45,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 50 states and 66 transitions. [2022-11-21 22:41:45,872 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-21 22:41:45,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 22:41:45,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:45,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:45,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:41:46,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:46,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 48 states and 63 transitions. [2022-11-21 22:41:46,008 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-21 22:41:46,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 22:41:46,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:46,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:46,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:41:46,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 67 transitions. [2022-11-21 22:41:46,139 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-21 22:41:46,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 22:41:46,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:46,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:46,218 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:41:46,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:46,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 53 states and 72 transitions. [2022-11-21 22:41:46,337 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 22:41:46,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:41:46,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:46,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:46,382 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 22:41:47,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:47,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 62 states and 86 transitions. [2022-11-21 22:41:47,046 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-11-21 22:41:47,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:41:47,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:47,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:47,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:41:47,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:47,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 65 states and 90 transitions. [2022-11-21 22:41:47,381 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-21 22:41:47,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:41:47,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:47,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:47,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:41:47,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:47,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 62 states and 85 transitions. [2022-11-21 22:41:47,741 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-11-21 22:41:47,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 22:41:47,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:47,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:47,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:41:48,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:48,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 65 states and 90 transitions. [2022-11-21 22:41:48,087 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-21 22:41:48,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:41:48,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:48,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:41:48,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:48,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 68 states and 93 transitions. [2022-11-21 22:41:48,465 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2022-11-21 22:41:48,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 22:41:48,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:48,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 22:41:48,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:48,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 67 states and 90 transitions. [2022-11-21 22:41:48,815 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-11-21 22:41:48,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 22:41:48,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:48,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:48,944 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:41:49,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:49,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 72 states and 99 transitions. [2022-11-21 22:41:49,185 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2022-11-21 22:41:49,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 22:41:49,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:49,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:49,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:41:49,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:49,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 67 states and 91 transitions. [2022-11-21 22:41:49,334 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2022-11-21 22:41:49,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 22:41:49,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:49,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:49,372 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 22:41:49,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:49,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 44 states and 56 transitions. [2022-11-21 22:41:49,393 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-21 22:41:49,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 22:41:49,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:49,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:49,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:41:49,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:49,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 43 states and 55 transitions. [2022-11-21 22:41:49,645 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-21 22:41:49,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:41:49,645 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2022-11-21 22:41:49,654 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 22:41:49,955 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:41:49,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:41:49 ImpRootNode [2022-11-21 22:41:49,960 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:41:49,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:41:49,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:41:49,962 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:41:49,962 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:41:42" (3/4) ... [2022-11-21 22:41:49,966 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:41:49,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 22:41:49,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 22:41:49,977 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 22:41:49,977 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 22:41:49,978 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 22:41:49,978 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:41:49,979 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:41:50,045 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f316f405-d7db-4375-b881-4d03c0c1c77f/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:41:50,045 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:41:50,046 INFO L158 Benchmark]: Toolchain (without parser) took 9575.54ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 125.6MB in the beginning and 97.7MB in the end (delta: 27.9MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2022-11-21 22:41:50,046 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 127.9MB. Free memory was 96.2MB in the beginning and 96.1MB in the end (delta: 70.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:41:50,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1316.80ms. Allocated memory is still 163.6MB. Free memory was 124.9MB in the beginning and 79.9MB in the end (delta: 45.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-21 22:41:50,047 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.14ms. Allocated memory is still 163.6MB. Free memory was 79.9MB in the beginning and 77.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:41:50,047 INFO L158 Benchmark]: Boogie Preprocessor took 44.91ms. Allocated memory is still 163.6MB. Free memory was 77.1MB in the beginning and 75.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:41:50,048 INFO L158 Benchmark]: RCFGBuilder took 537.97ms. Allocated memory is still 163.6MB. Free memory was 75.0MB in the beginning and 56.9MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:41:50,048 INFO L158 Benchmark]: CodeCheck took 7495.07ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 56.9MB in the beginning and 101.8MB in the end (delta: -44.9MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2022-11-21 22:41:50,048 INFO L158 Benchmark]: Witness Printer took 84.42ms. Allocated memory is still 237.0MB. Free memory was 101.8MB in the beginning and 97.7MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:41:50,050 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: 7.1s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4908 SdHoareTripleChecker+Valid, 9.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1844 mSDsluCounter, 3855 SdHoareTripleChecker+Invalid, 7.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1495 mSDsCounter, 1123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4866 IncrementalHoareTripleChecker+Invalid, 5989 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1123 mSolverCounterUnsat, 2360 mSDtfsCounter, 4866 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6464 GetRequests, 6300 SyntacticMatches, 12 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11475 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 644 NumberOfCodeBlocks, 644 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 617 ConstructedInterpolants, 0 QuantifiedInterpolants, 1332 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 132/132 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 0.60ms. Allocated memory is still 127.9MB. Free memory was 96.2MB in the beginning and 96.1MB in the end (delta: 70.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1316.80ms. Allocated memory is still 163.6MB. Free memory was 124.9MB in the beginning and 79.9MB in the end (delta: 45.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.14ms. Allocated memory is still 163.6MB. Free memory was 79.9MB in the beginning and 77.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.91ms. Allocated memory is still 163.6MB. Free memory was 77.1MB in the beginning and 75.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 537.97ms. Allocated memory is still 163.6MB. Free memory was 75.0MB in the beginning and 56.9MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7495.07ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 56.9MB in the beginning and 101.8MB in the end (delta: -44.9MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Witness Printer took 84.42ms. Allocated memory is still 237.0MB. Free memory was 101.8MB in the beginning and 97.7MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:41:50,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f316f405-d7db-4375-b881-4d03c0c1c77f/bin/ukojak-jW3SillKbg/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