./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_4160fa94-50d8-44a0-be0d-c8a655b22944/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160fa94-50d8-44a0-be0d-c8a655b22944/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_4160fa94-50d8-44a0-be0d-c8a655b22944/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160fa94-50d8-44a0-be0d-c8a655b22944/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160fa94-50d8-44a0-be0d-c8a655b22944/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_4160fa94-50d8-44a0-be0d-c8a655b22944/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 7de30c44d0602994b810982ba2c9a74ab800acce8c1e9199f770e3b9f4cae0fd --- 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 23:18:20,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:18:20,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:18:20,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:18:20,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:18:20,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:18:20,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:18:20,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:18:20,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:18:20,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:18:20,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:18:20,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:18:20,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:18:20,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:18:20,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:18:20,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:18:20,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:18:20,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:18:20,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:18:20,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:18:20,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:18:20,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:18:20,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:18:20,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:18:20,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:18:20,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:18:20,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:18:20,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:18:20,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:18:20,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:18:20,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:18:20,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:18:20,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:18:20,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:18:20,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:18:20,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:18:20,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:18:20,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:18:20,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:18:20,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:18:20,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:18:20,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160fa94-50d8-44a0-be0d-c8a655b22944/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:18:20,607 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:18:20,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:18:20,608 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:18:20,608 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:18:20,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:18:20,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:18:20,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:18:20,610 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:18:20,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:18:20,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:18:20,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:18:20,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:18:20,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:18:20,611 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:18:20,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:18:20,611 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:18:20,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:18:20,611 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:18:20,612 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:18:20,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:18:20,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:18:20,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:18:20,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:18:20,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:18:20,613 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:18:20,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:18:20,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:18:20,613 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_4160fa94-50d8-44a0-be0d-c8a655b22944/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160fa94-50d8-44a0-be0d-c8a655b22944/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7de30c44d0602994b810982ba2c9a74ab800acce8c1e9199f770e3b9f4cae0fd [2022-11-21 23:18:20,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:18:20,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:18:20,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:18:20,951 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:18:20,952 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:18:20,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160fa94-50d8-44a0-be0d-c8a655b22944/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_good.i [2022-11-21 23:18:23,990 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:18:24,401 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:18:24,402 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160fa94-50d8-44a0-be0d-c8a655b22944/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_good.i [2022-11-21 23:18:24,431 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160fa94-50d8-44a0-be0d-c8a655b22944/bin/ukojak-jW3SillKbg/data/3ca1b0044/1125041536304b19a7be52305eca6ba1/FLAGc99c388ee [2022-11-21 23:18:24,455 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160fa94-50d8-44a0-be0d-c8a655b22944/bin/ukojak-jW3SillKbg/data/3ca1b0044/1125041536304b19a7be52305eca6ba1 [2022-11-21 23:18:24,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:18:24,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:18:24,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:18:24,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:18:24,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:18:24,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:18:24" (1/1) ... [2022-11-21 23:18:24,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c28e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:24, skipping insertion in model container [2022-11-21 23:18:24,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:18:24" (1/1) ... [2022-11-21 23:18:24,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:18:24,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:18:24,990 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:18:25,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:18:25,488 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:18:25,520 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:18:25,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:18:25,767 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:18:25,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:25 WrapperNode [2022-11-21 23:18:25,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:18:25,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:18:25,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:18:25,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:18:25,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:25" (1/1) ... [2022-11-21 23:18:25,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:25" (1/1) ... [2022-11-21 23:18:25,841 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 109 [2022-11-21 23:18:25,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:18:25,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:18:25,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:18:25,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:18:25,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:25" (1/1) ... [2022-11-21 23:18:25,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:25" (1/1) ... [2022-11-21 23:18:25,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:25" (1/1) ... [2022-11-21 23:18:25,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:25" (1/1) ... [2022-11-21 23:18:25,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:25" (1/1) ... [2022-11-21 23:18:25,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:25" (1/1) ... [2022-11-21 23:18:25,867 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:25" (1/1) ... [2022-11-21 23:18:25,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:25" (1/1) ... [2022-11-21 23:18:25,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:18:25,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:18:25,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:18:25,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:18:25,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:25" (1/1) ... [2022-11-21 23:18:25,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:18:25,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160fa94-50d8-44a0-be0d-c8a655b22944/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:18:25,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160fa94-50d8-44a0-be0d-c8a655b22944/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:18:25,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160fa94-50d8-44a0-be0d-c8a655b22944/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:18:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:18:25,983 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:18:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 23:18:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:18:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:18:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:18:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 23:18:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:18:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:18:25,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:18:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:18:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:18:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:18:26,161 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:18:26,163 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:18:26,428 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:18:26,541 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:18:26,541 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:18:26,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:18:26 BoogieIcfgContainer [2022-11-21 23:18:26,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:18:26,545 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:18:26,545 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:18:26,555 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:18:26,567 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:18:26" (1/1) ... [2022-11-21 23:18:26,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:18:26,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:26,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-21 23:18:26,670 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-21 23:18:26,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:18:26,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:26,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:27,003 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 23:18:27,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:27,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-11-21 23:18:27,049 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 23:18:27,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:18:27,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:27,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:27,131 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 23:18:27,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:27,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 71 transitions. [2022-11-21 23:18:27,155 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-11-21 23:18:27,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:18:27,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:27,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:27,256 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 23:18:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:27,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-11-21 23:18:27,323 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-11-21 23:18:27,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:18:27,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:27,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:27,425 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 23:18:27,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:27,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 70 transitions. [2022-11-21 23:18:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-11-21 23:18:27,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:18:27,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:27,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:27,656 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 23:18:28,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:28,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 72 transitions. [2022-11-21 23:18:28,035 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-11-21 23:18:28,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:18:28,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:28,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:28,121 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 23:18:28,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 82 transitions. [2022-11-21 23:18:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-11-21 23:18:28,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:18:28,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:28,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:28,567 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 23:18:28,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:28,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 76 transitions. [2022-11-21 23:18:28,601 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-21 23:18:28,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:18:28,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:28,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:28,691 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 23:18:28,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:28,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 79 transitions. [2022-11-21 23:18:28,820 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-11-21 23:18:28,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:18:28,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:28,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:28,894 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 23:18:28,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:28,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 78 transitions. [2022-11-21 23:18:28,929 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-11-21 23:18:28,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:18:28,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:28,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:29,020 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 23:18:29,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:29,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 86 transitions. [2022-11-21 23:18:29,120 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-21 23:18:29,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:18:29,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:29,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:29,174 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 23:18:29,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:29,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 83 transitions. [2022-11-21 23:18:29,381 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-11-21 23:18:29,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:18:29,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:29,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:29,417 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 23:18:29,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 85 transitions. [2022-11-21 23:18:29,530 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-11-21 23:18:29,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:18:29,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:29,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:29,627 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 23:18:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:29,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 83 transitions. [2022-11-21 23:18:29,778 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-11-21 23:18:29,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:18:29,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:29,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:29,810 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 23:18:29,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:29,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 50 states and 66 transitions. [2022-11-21 23:18:29,827 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-21 23:18:29,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:18:29,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:29,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:29,885 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 23:18:29,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:29,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 48 states and 63 transitions. [2022-11-21 23:18:29,950 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-21 23:18:29,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:18:29,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:29,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:30,018 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 23:18:30,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 50 states and 67 transitions. [2022-11-21 23:18:30,069 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-21 23:18:30,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:18:30,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:30,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:30,127 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 23:18:30,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:30,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 51 states and 68 transitions. [2022-11-21 23:18:30,144 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-11-21 23:18:30,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:18:30,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:30,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:30,201 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 23:18:30,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:30,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 60 states and 82 transitions. [2022-11-21 23:18:30,819 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2022-11-21 23:18:30,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:18:30,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:30,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:30,859 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 23:18:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:31,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 63 states and 86 transitions. [2022-11-21 23:18:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-21 23:18:31,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:18:31,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:31,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:31,163 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 23:18:31,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:31,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 60 states and 81 transitions. [2022-11-21 23:18:31,341 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2022-11-21 23:18:31,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:18:31,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:31,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:31,378 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 23:18:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:31,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 63 states and 86 transitions. [2022-11-21 23:18:31,554 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-11-21 23:18:31,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:18:31,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:31,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:31,610 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 23:18:31,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:31,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 66 states and 89 transitions. [2022-11-21 23:18:31,809 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2022-11-21 23:18:31,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:18:31,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:31,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:31,851 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 23:18:32,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:32,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 65 states and 86 transitions. [2022-11-21 23:18:32,132 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2022-11-21 23:18:32,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 23:18:32,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:32,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:32,231 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 23:18:32,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:32,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 69 states and 93 transitions. [2022-11-21 23:18:32,319 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2022-11-21 23:18:32,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 23:18:32,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:32,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:32,382 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 23:18:32,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 44 states and 56 transitions. [2022-11-21 23:18:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-21 23:18:32,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 23:18:32,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:32,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:32,769 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 23:18:32,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:32,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 43 states and 55 transitions. [2022-11-21 23:18:32,790 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-11-21 23:18:32,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:18:32,791 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-11-21 23:18:32,799 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 23:18:33,108 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:18:33,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:18:33 ImpRootNode [2022-11-21 23:18:33,113 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:18:33,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:18:33,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:18:33,113 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:18:33,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:18:26" (3/4) ... [2022-11-21 23:18:33,117 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:18:33,123 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:18:33,123 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:18:33,128 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 23:18:33,128 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 23:18:33,129 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:18:33,129 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:18:33,129 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:18:33,189 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160fa94-50d8-44a0-be0d-c8a655b22944/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:18:33,189 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:18:33,190 INFO L158 Benchmark]: Toolchain (without parser) took 8728.21ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 106.4MB in the beginning and 76.0MB in the end (delta: 30.4MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2022-11-21 23:18:33,190 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 121.6MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:18:33,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1302.34ms. Allocated memory is still 148.9MB. Free memory was 106.0MB in the beginning and 62.2MB in the end (delta: 43.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-21 23:18:33,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.41ms. Allocated memory is still 148.9MB. Free memory was 62.2MB in the beginning and 58.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:18:33,198 INFO L158 Benchmark]: Boogie Preprocessor took 28.67ms. Allocated memory is still 148.9MB. Free memory was 58.9MB in the beginning and 57.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:18:33,199 INFO L158 Benchmark]: RCFGBuilder took 672.65ms. Allocated memory is still 148.9MB. Free memory was 57.4MB in the beginning and 117.0MB in the end (delta: -59.6MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2022-11-21 23:18:33,200 INFO L158 Benchmark]: CodeCheck took 6567.58ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 116.9MB in the beginning and 80.1MB in the end (delta: 36.8MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2022-11-21 23:18:33,200 INFO L158 Benchmark]: Witness Printer took 76.28ms. Allocated memory is still 180.4MB. Free memory was 80.1MB in the beginning and 76.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:18:33,202 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: 6.2s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4648 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1636 mSDsluCounter, 3523 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1320 mSDsCounter, 1041 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4436 IncrementalHoareTripleChecker+Invalid, 5477 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1041 mSolverCounterUnsat, 2203 mSDtfsCounter, 4436 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6089 GetRequests, 5945 SyntacticMatches, 14 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7943 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 589 ConstructedInterpolants, 0 QuantifiedInterpolants, 1242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1664]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 121.6MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1302.34ms. Allocated memory is still 148.9MB. Free memory was 106.0MB in the beginning and 62.2MB in the end (delta: 43.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.41ms. Allocated memory is still 148.9MB. Free memory was 62.2MB in the beginning and 58.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.67ms. Allocated memory is still 148.9MB. Free memory was 58.9MB in the beginning and 57.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.65ms. Allocated memory is still 148.9MB. Free memory was 57.4MB in the beginning and 117.0MB in the end (delta: -59.6MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * CodeCheck took 6567.58ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 116.9MB in the beginning and 80.1MB in the end (delta: 36.8MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. * Witness Printer took 76.28ms. Allocated memory is still 180.4MB. Free memory was 80.1MB in the beginning and 76.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:18:33,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160fa94-50d8-44a0-be0d-c8a655b22944/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