./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_17_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_8c649e3d-241d-486a-bce6-3d8298e7932e/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c649e3d-241d-486a-bce6-3d8298e7932e/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_8c649e3d-241d-486a-bce6-3d8298e7932e/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c649e3d-241d-486a-bce6-3d8298e7932e/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c649e3d-241d-486a-bce6-3d8298e7932e/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_8c649e3d-241d-486a-bce6-3d8298e7932e/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 d4ea41e2590f6d53feb4a10faaed8fdc938d31e5e9690998824676ba87605bf2 --- 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 [2022-11-22 00:00:21,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:00:21,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:00:21,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:00:21,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:00:21,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:00:21,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:00:21,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:00:21,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:00:21,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:00:21,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:00:21,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:00:21,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:00:21,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:00:21,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:00:21,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:00:21,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:00:21,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:00:21,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:00:21,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:00:21,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:00:21,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:00:21,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:00:21,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:00:21,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:00:21,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:00:21,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:00:21,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:00:21,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:00:21,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:00:21,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:00:21,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:00:21,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:00:21,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:00:21,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:00:21,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:00:21,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:00:21,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:00:21,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:00:21,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:00:21,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:00:21,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c649e3d-241d-486a-bce6-3d8298e7932e/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-22 00:00:21,944 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:00:21,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:00:21,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:00:21,945 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-22 00:00:21,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 00:00:21,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 00:00:21,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:00:21,947 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:00:21,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:00:21,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:00:21,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:00:21,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:00:21,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:00:21,949 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:00:21,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:00:21,950 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:00:21,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:00:21,950 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-22 00:00:21,950 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-22 00:00:21,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:00:21,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-22 00:00:21,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:00:21,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:00:21,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:00:21,951 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-22 00:00:21,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:00:21,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:00:21,952 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_8c649e3d-241d-486a-bce6-3d8298e7932e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c649e3d-241d-486a-bce6-3d8298e7932e/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4ea41e2590f6d53feb4a10faaed8fdc938d31e5e9690998824676ba87605bf2 [2022-11-22 00:00:22,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:00:22,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:00:22,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:00:22,325 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:00:22,325 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:00:22,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c649e3d-241d-486a-bce6-3d8298e7932e/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_17_good.i [2022-11-22 00:00:25,482 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:00:25,886 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:00:25,886 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c649e3d-241d-486a-bce6-3d8298e7932e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_17_good.i [2022-11-22 00:00:25,915 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c649e3d-241d-486a-bce6-3d8298e7932e/bin/ukojak-jW3SillKbg/data/92f2614ed/185ab3fc24c845cd92859255dff8fbf0/FLAGa93e46d8f [2022-11-22 00:00:25,934 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c649e3d-241d-486a-bce6-3d8298e7932e/bin/ukojak-jW3SillKbg/data/92f2614ed/185ab3fc24c845cd92859255dff8fbf0 [2022-11-22 00:00:25,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:00:25,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:00:25,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:00:25,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:00:25,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:00:25,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:00:25" (1/1) ... [2022-11-22 00:00:25,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1346a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:00:25, skipping insertion in model container [2022-11-22 00:00:25,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:00:25" (1/1) ... [2022-11-22 00:00:25,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:00:26,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:00:26,458 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 00:00:27,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:00:27,063 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:00:27,102 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 00:00:27,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:00:27,284 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:00:27,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:00:27 WrapperNode [2022-11-22 00:00:27,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:00:27,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:00:27,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:00:27,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:00:27,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:00:27" (1/1) ... [2022-11-22 00:00:27,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:00:27" (1/1) ... [2022-11-22 00:00:27,392 INFO L138 Inliner]: procedures = 502, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 105 [2022-11-22 00:00:27,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:00:27,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:00:27,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:00:27,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:00:27,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:00:27" (1/1) ... [2022-11-22 00:00:27,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:00:27" (1/1) ... [2022-11-22 00:00:27,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:00:27" (1/1) ... [2022-11-22 00:00:27,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:00:27" (1/1) ... [2022-11-22 00:00:27,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:00:27" (1/1) ... [2022-11-22 00:00:27,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:00:27" (1/1) ... [2022-11-22 00:00:27,439 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:00:27" (1/1) ... [2022-11-22 00:00:27,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:00:27" (1/1) ... [2022-11-22 00:00:27,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:00:27,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:00:27,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:00:27,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:00:27,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:00:27" (1/1) ... [2022-11-22 00:00:27,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-22 00:00:27,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c649e3d-241d-486a-bce6-3d8298e7932e/bin/ukojak-jW3SillKbg/z3 [2022-11-22 00:00:27,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c649e3d-241d-486a-bce6-3d8298e7932e/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-22 00:00:27,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c649e3d-241d-486a-bce6-3d8298e7932e/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-22 00:00:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-22 00:00:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-22 00:00:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-22 00:00:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-22 00:00:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-22 00:00:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:00:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 00:00:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:00:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:00:27,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:00:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:00:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-22 00:00:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:00:27,689 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:00:27,692 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:00:27,898 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:00:27,973 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:00:27,973 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-22 00:00:27,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:00:27 BoogieIcfgContainer [2022-11-22 00:00:27,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:00:27,978 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-22 00:00:27,978 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-22 00:00:27,989 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-22 00:00:27,989 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:00:27" (1/1) ... [2022-11-22 00:00:27,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:00:28,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:28,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2022-11-22 00:00:28,059 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-11-22 00:00:28,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 00:00:28,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:28,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:28,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:00:28,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:28,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2022-11-22 00:00:28,432 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-11-22 00:00:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 00:00:28,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:28,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:28,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:00:28,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:28,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2022-11-22 00:00:28,657 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-11-22 00:00:28,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 00:00:28,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:28,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:00:28,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:28,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2022-11-22 00:00:28,801 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-11-22 00:00:28,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 00:00:28,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:28,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:28,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:00:28,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:28,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2022-11-22 00:00:28,895 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2022-11-22 00:00:28,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 00:00:28,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:28,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:28,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 00:00:28,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:28,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2022-11-22 00:00:28,965 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-11-22 00:00:28,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 00:00:28,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:28,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:29,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 00:00:29,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:29,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 53 states and 66 transitions. [2022-11-22 00:00:29,106 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2022-11-22 00:00:29,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 00:00:29,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:29,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:29,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:00:29,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:29,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 55 transitions. [2022-11-22 00:00:29,341 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-11-22 00:00:29,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 00:00:29,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:29,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:00:29,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:29,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 66 transitions. [2022-11-22 00:00:29,849 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-11-22 00:00:29,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-22 00:00:29,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:29,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:29,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 00:00:30,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:30,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 58 states and 73 transitions. [2022-11-22 00:00:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-11-22 00:00:30,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-22 00:00:30,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:30,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:30,156 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 00:00:30,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:30,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 68 transitions. [2022-11-22 00:00:30,335 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2022-11-22 00:00:30,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-22 00:00:30,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:30,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:30,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 00:00:30,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:30,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 69 transitions. [2022-11-22 00:00:30,440 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-11-22 00:00:30,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-22 00:00:30,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:30,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 00:00:30,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:30,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 58 states and 73 transitions. [2022-11-22 00:00:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-11-22 00:00:30,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-22 00:00:30,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:30,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:00:30,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:30,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 76 transitions. [2022-11-22 00:00:30,869 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2022-11-22 00:00:30,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-22 00:00:30,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:30,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:30,911 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 00:00:31,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:31,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 83 transitions. [2022-11-22 00:00:31,318 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2022-11-22 00:00:31,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-22 00:00:31,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:31,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:31,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:00:31,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:31,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 84 transitions. [2022-11-22 00:00:31,408 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2022-11-22 00:00:31,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-22 00:00:31,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:31,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:31,499 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 00:00:32,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 69 states and 90 transitions. [2022-11-22 00:00:32,181 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2022-11-22 00:00:32,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-22 00:00:32,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:32,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:32,279 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-22 00:00:32,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:32,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 91 transitions. [2022-11-22 00:00:32,481 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2022-11-22 00:00:32,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-22 00:00:32,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:32,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:32,600 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:00:32,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:32,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 66 states and 85 transitions. [2022-11-22 00:00:32,766 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2022-11-22 00:00:32,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-22 00:00:32,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:32,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:32,870 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:00:33,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:33,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 68 states and 89 transitions. [2022-11-22 00:00:33,302 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2022-11-22 00:00:33,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-22 00:00:33,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:33,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:33,343 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 00:00:33,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:33,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 69 states and 88 transitions. [2022-11-22 00:00:33,432 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2022-11-22 00:00:33,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-22 00:00:33,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:33,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:00:33,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:33,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 70 states and 89 transitions. [2022-11-22 00:00:33,506 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2022-11-22 00:00:33,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-22 00:00:33,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:33,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:33,588 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 00:00:33,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 49 states and 57 transitions. [2022-11-22 00:00:33,836 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2022-11-22 00:00:33,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-22 00:00:33,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:33,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:33,987 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 00:00:34,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 55 states and 66 transitions. [2022-11-22 00:00:34,343 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2022-11-22 00:00:34,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-22 00:00:34,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:34,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:34,388 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 00:00:34,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:34,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 56 states and 68 transitions. [2022-11-22 00:00:34,406 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2022-11-22 00:00:34,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-22 00:00:34,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:34,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 00:00:34,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:34,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 60 states and 72 transitions. [2022-11-22 00:00:34,796 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 72 transitions. [2022-11-22 00:00:34,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-22 00:00:34,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:00:34,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:00:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:00:34,931 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-22 00:00:35,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:00:35,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 43 states and 48 transitions. [2022-11-22 00:00:35,235 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2022-11-22 00:00:35,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 00:00:35,236 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-11-22 00:00:35,244 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-22 00:00:35,414 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-22 00:00:35,426 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-11-22 00:00:35,437 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-22 00:00:35,438 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-22 00:00:35,438 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-22 00:00:35,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 12:00:35 ImpRootNode [2022-11-22 00:00:35,438 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-22 00:00:35,439 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:00:35,439 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:00:35,441 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:00:35,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:00:27" (3/4) ... [2022-11-22 00:00:35,455 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 00:00:35,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-22 00:00:35,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-22 00:00:35,471 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-22 00:00:35,472 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-22 00:00:35,472 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-22 00:00:35,472 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 00:00:35,542 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c649e3d-241d-486a-bce6-3d8298e7932e/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-22 00:00:35,543 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:00:35,545 INFO L158 Benchmark]: Toolchain (without parser) took 9604.45ms. Allocated memory was 125.8MB in the beginning and 207.6MB in the end (delta: 81.8MB). Free memory was 80.1MB in the beginning and 126.4MB in the end (delta: -46.4MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2022-11-22 00:00:35,545 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 102.8MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:00:35,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1341.05ms. Allocated memory is still 125.8MB. Free memory was 79.6MB in the beginning and 41.5MB in the end (delta: 38.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-22 00:00:35,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.74ms. Allocated memory is still 125.8MB. Free memory was 41.5MB in the beginning and 96.6MB in the end (delta: -55.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-11-22 00:00:35,546 INFO L158 Benchmark]: Boogie Preprocessor took 62.80ms. Allocated memory is still 125.8MB. Free memory was 96.5MB in the beginning and 94.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:00:35,547 INFO L158 Benchmark]: RCFGBuilder took 520.39ms. Allocated memory was 125.8MB in the beginning and 172.0MB in the end (delta: 46.1MB). Free memory was 94.8MB in the beginning and 127.3MB in the end (delta: -32.5MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2022-11-22 00:00:35,547 INFO L158 Benchmark]: CodeCheck took 7461.02ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 126.2MB in the beginning and 129.6MB in the end (delta: -3.4MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2022-11-22 00:00:35,547 INFO L158 Benchmark]: Witness Printer took 104.98ms. Allocated memory is still 207.6MB. Free memory was 129.6MB in the beginning and 126.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 00:00:35,549 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, 47 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2636 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1069 mSDsluCounter, 1145 SdHoareTripleChecker+Invalid, 6.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 282 mSDsCounter, 992 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4214 IncrementalHoareTripleChecker+Invalid, 5206 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 992 mSolverCounterUnsat, 863 mSDtfsCounter, 4214 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4458 GetRequests, 4321 SyntacticMatches, 13 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5837 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 568 NumberOfCodeBlocks, 568 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 890 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 21 PerfectInterpolantSequences, 107/112 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1585]: Loop Invariant Derived loop invariant: (1 <= h && data == 2) || h == 0 - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1607]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 102.8MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1341.05ms. Allocated memory is still 125.8MB. Free memory was 79.6MB in the beginning and 41.5MB in the end (delta: 38.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.74ms. Allocated memory is still 125.8MB. Free memory was 41.5MB in the beginning and 96.6MB in the end (delta: -55.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.80ms. Allocated memory is still 125.8MB. Free memory was 96.5MB in the beginning and 94.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 520.39ms. Allocated memory was 125.8MB in the beginning and 172.0MB in the end (delta: 46.1MB). Free memory was 94.8MB in the beginning and 127.3MB in the end (delta: -32.5MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * CodeCheck took 7461.02ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 126.2MB in the beginning and 129.6MB in the end (delta: -3.4MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * Witness Printer took 104.98ms. Allocated memory is still 207.6MB. Free memory was 129.6MB in the beginning and 126.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-22 00:00:35,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c649e3d-241d-486a-bce6-3d8298e7932e/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