./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_15_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_6cab7018-f528-454e-91b1-152661a7d80a/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab7018-f528-454e-91b1-152661a7d80a/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_6cab7018-f528-454e-91b1-152661a7d80a/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab7018-f528-454e-91b1-152661a7d80a/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab7018-f528-454e-91b1-152661a7d80a/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_6cab7018-f528-454e-91b1-152661a7d80a/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 bd97e3c5e9754f852b995eed0d7e7261cd9ed58702428911046867926ba1d79f --- 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 23:07:34,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:07:34,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:07:34,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:07:34,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:07:34,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:07:34,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:07:34,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:07:34,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:07:34,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:07:34,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:07:34,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:07:34,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:07:34,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:07:34,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:07:34,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:07:34,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:07:34,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:07:34,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:07:34,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:07:34,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:07:34,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:07:34,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:07:34,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:07:34,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:07:34,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:07:34,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:07:34,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:07:34,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:07:34,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:07:34,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:07:34,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:07:34,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:07:34,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:07:34,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:07:34,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:07:34,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:07:34,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:07:34,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:07:34,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:07:34,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:07:34,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab7018-f528-454e-91b1-152661a7d80a/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:07:34,968 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:07:34,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:07:34,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:07:34,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:07:34,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:07:34,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:07:34,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:07:34,972 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:07:34,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:07:34,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:07:34,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:07:34,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:07:34,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:07:34,974 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:07:34,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:07:34,975 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:07:34,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:07:34,975 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:07:34,975 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:07:34,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:07:34,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:07:34,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:07:34,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:07:34,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:07:34,977 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:07:34,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:07:34,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:07:34,978 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_6cab7018-f528-454e-91b1-152661a7d80a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab7018-f528-454e-91b1-152661a7d80a/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd97e3c5e9754f852b995eed0d7e7261cd9ed58702428911046867926ba1d79f [2022-11-21 23:07:35,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:07:35,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:07:35,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:07:35,336 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:07:35,337 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:07:35,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab7018-f528-454e-91b1-152661a7d80a/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_15_good.i [2022-11-21 23:07:38,380 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:07:38,892 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:07:38,893 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab7018-f528-454e-91b1-152661a7d80a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_15_good.i [2022-11-21 23:07:38,924 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab7018-f528-454e-91b1-152661a7d80a/bin/ukojak-jW3SillKbg/data/712d0be77/2cbac9a80007484181323d8f2b01cf45/FLAGeee4bbf06 [2022-11-21 23:07:38,944 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab7018-f528-454e-91b1-152661a7d80a/bin/ukojak-jW3SillKbg/data/712d0be77/2cbac9a80007484181323d8f2b01cf45 [2022-11-21 23:07:38,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:07:38,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:07:38,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:07:38,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:07:38,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:07:38,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:07:38" (1/1) ... [2022-11-21 23:07:38,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6e473b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:38, skipping insertion in model container [2022-11-21 23:07:38,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:07:38" (1/1) ... [2022-11-21 23:07:38,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:07:39,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:07:39,474 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:07:40,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:07:40,053 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:07:40,086 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:07:40,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:07:40,284 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:07:40,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:40 WrapperNode [2022-11-21 23:07:40,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:07:40,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:07:40,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:07:40,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:07:40,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:40" (1/1) ... [2022-11-21 23:07:40,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:40" (1/1) ... [2022-11-21 23:07:40,403 INFO L138 Inliner]: procedures = 504, calls = 97, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 175 [2022-11-21 23:07:40,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:07:40,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:07:40,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:07:40,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:07:40,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:40" (1/1) ... [2022-11-21 23:07:40,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:40" (1/1) ... [2022-11-21 23:07:40,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:40" (1/1) ... [2022-11-21 23:07:40,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:40" (1/1) ... [2022-11-21 23:07:40,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:40" (1/1) ... [2022-11-21 23:07:40,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:40" (1/1) ... [2022-11-21 23:07:40,469 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:40" (1/1) ... [2022-11-21 23:07:40,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:40" (1/1) ... [2022-11-21 23:07:40,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:07:40,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:07:40,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:07:40,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:07:40,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:07:40" (1/1) ... [2022-11-21 23:07:40,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:07:40,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab7018-f528-454e-91b1-152661a7d80a/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:07:40,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab7018-f528-454e-91b1-152661a7d80a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:07:40,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab7018-f528-454e-91b1-152661a7d80a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:07:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:07:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:07:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 23:07:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:07:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:07:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:07:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 23:07:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:07:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:07:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:07:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:07:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:07:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:07:40,772 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:07:40,775 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:07:41,128 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:07:41,185 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:07:41,186 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:07:41,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:07:41 BoogieIcfgContainer [2022-11-21 23:07:41,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:07:41,189 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:07:41,189 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:07:41,200 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:07:41,200 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:07:41" (1/1) ... [2022-11-21 23:07:41,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:07:41,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:41,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 71 states and 105 transitions. [2022-11-21 23:07:41,268 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2022-11-21 23:07:41,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:07:41,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:41,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:41,619 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 23:07:41,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:41,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 69 states and 100 transitions. [2022-11-21 23:07:41,684 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2022-11-21 23:07:41,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:07:41,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:41,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:41,812 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 23:07:41,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:41,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 75 states and 109 transitions. [2022-11-21 23:07:41,844 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2022-11-21 23:07:41,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:07:41,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:41,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:41,903 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 23:07:41,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:41,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 74 states and 108 transitions. [2022-11-21 23:07:41,959 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2022-11-21 23:07:41,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:07:41,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:41,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:42,035 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 23:07:42,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:42,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 67 states and 98 transitions. [2022-11-21 23:07:42,124 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2022-11-21 23:07:42,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:07:42,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:42,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:42,175 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 23:07:42,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:42,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 67 states and 97 transitions. [2022-11-21 23:07:42,287 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 97 transitions. [2022-11-21 23:07:42,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:07:42,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:42,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:42,327 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 23:07:42,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:42,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 66 states and 94 transitions. [2022-11-21 23:07:42,341 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2022-11-21 23:07:42,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:07:42,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:42,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:42,396 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 23:07:42,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:42,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 64 states and 89 transitions. [2022-11-21 23:07:42,425 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2022-11-21 23:07:42,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:07:42,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:42,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:42,507 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 23:07:42,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:42,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 69 states and 96 transitions. [2022-11-21 23:07:42,547 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2022-11-21 23:07:42,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:07:42,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:42,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:42,613 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 23:07:42,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:42,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 68 states and 95 transitions. [2022-11-21 23:07:42,714 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 95 transitions. [2022-11-21 23:07:42,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:07:42,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:42,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:42,858 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 23:07:43,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:43,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 87 transitions. [2022-11-21 23:07:43,016 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2022-11-21 23:07:43,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:07:43,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:43,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:43,085 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 23:07:43,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:43,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 60 states and 82 transitions. [2022-11-21 23:07:43,273 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2022-11-21 23:07:43,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:07:43,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:43,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:43,398 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 23:07:43,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:43,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 87 transitions. [2022-11-21 23:07:43,465 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2022-11-21 23:07:43,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:07:43,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:43,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:43,610 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 23:07:43,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:43,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 67 states and 93 transitions. [2022-11-21 23:07:43,739 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2022-11-21 23:07:43,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 23:07:43,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:43,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:43,837 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 23:07:43,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:43,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 57 states and 77 transitions. [2022-11-21 23:07:43,884 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2022-11-21 23:07:43,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 23:07:43,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:43,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:43,977 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 23:07:44,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:44,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 55 states and 72 transitions. [2022-11-21 23:07:44,176 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2022-11-21 23:07:44,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-21 23:07:44,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:44,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:44,268 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 23:07:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:44,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 58 states and 78 transitions. [2022-11-21 23:07:44,338 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-11-21 23:07:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 23:07:44,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:44,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:44,471 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 23:07:44,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:44,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 62 states and 85 transitions. [2022-11-21 23:07:44,606 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-11-21 23:07:44,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 23:07:44,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:07:44,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:07:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:07:44,686 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 23:07:44,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:07:44,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 51 states and 65 transitions. [2022-11-21 23:07:44,742 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-11-21 23:07:44,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:07:44,743 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2022-11-21 23:07:44,752 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 23:07:44,877 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:07:44,882 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:07:44,883 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:07:44,883 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:07:44,883 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:07:44,883 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:07:44,884 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:07:44,884 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:07:44,884 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:07:44,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:07:44 ImpRootNode [2022-11-21 23:07:44,886 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:07:44,887 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:07:44,887 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:07:44,887 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:07:44,888 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:07:41" (3/4) ... [2022-11-21 23:07:44,892 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:07:44,899 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:07:44,899 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:07:44,908 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-11-21 23:07:44,908 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-21 23:07:44,909 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 23:07:44,909 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 23:07:44,909 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:07:44,992 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab7018-f528-454e-91b1-152661a7d80a/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:07:44,993 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:07:44,993 INFO L158 Benchmark]: Toolchain (without parser) took 6044.84ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 153.6MB in the beginning and 141.3MB in the end (delta: 12.3MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2022-11-21 23:07:44,994 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 142.6MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:07:44,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1333.74ms. Allocated memory is still 190.8MB. Free memory was 153.6MB in the beginning and 89.9MB in the end (delta: 63.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-21 23:07:44,995 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.06ms. Allocated memory is still 190.8MB. Free memory was 89.9MB in the beginning and 157.8MB in the end (delta: -68.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-21 23:07:44,996 INFO L158 Benchmark]: Boogie Preprocessor took 78.08ms. Allocated memory is still 190.8MB. Free memory was 157.8MB in the beginning and 160.2MB in the end (delta: -2.3MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2022-11-21 23:07:44,996 INFO L158 Benchmark]: RCFGBuilder took 701.40ms. Allocated memory is still 190.8MB. Free memory was 160.2MB in the beginning and 139.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 23:07:44,996 INFO L158 Benchmark]: CodeCheck took 3697.21ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 139.2MB in the beginning and 145.5MB in the end (delta: -6.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2022-11-21 23:07:44,997 INFO L158 Benchmark]: Witness Printer took 105.90ms. Allocated memory is still 230.7MB. Free memory was 145.5MB in the beginning and 141.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:07:44,998 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, 71 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2490 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 528 mSDsluCounter, 2140 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 568 mSDsCounter, 471 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1110 IncrementalHoareTripleChecker+Invalid, 1581 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 471 mSolverCounterUnsat, 1572 mSDtfsCounter, 1110 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4196 GetRequests, 4123 SyntacticMatches, 11 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1080 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 463 NumberOfCodeBlocks, 463 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 579 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 66/66 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: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: 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 - PositiveResult [Line: 1673]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1673]: 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: 1612]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1660]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1669]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1643]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 142.6MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1333.74ms. Allocated memory is still 190.8MB. Free memory was 153.6MB in the beginning and 89.9MB in the end (delta: 63.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.06ms. Allocated memory is still 190.8MB. Free memory was 89.9MB in the beginning and 157.8MB in the end (delta: -68.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.08ms. Allocated memory is still 190.8MB. Free memory was 157.8MB in the beginning and 160.2MB in the end (delta: -2.3MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * RCFGBuilder took 701.40ms. Allocated memory is still 190.8MB. Free memory was 160.2MB in the beginning and 139.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 3697.21ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 139.2MB in the beginning and 145.5MB in the end (delta: -6.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Witness Printer took 105.90ms. Allocated memory is still 230.7MB. Free memory was 145.5MB in the beginning and 141.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:07:45,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cab7018-f528-454e-91b1-152661a7d80a/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