./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a09fa7-bad7-4a6a-9046-20a054a28a94/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a09fa7-bad7-4a6a-9046-20a054a28a94/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_a7a09fa7-bad7-4a6a-9046-20a054a28a94/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a09fa7-bad7-4a6a-9046-20a054a28a94/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a09fa7-bad7-4a6a-9046-20a054a28a94/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_a7a09fa7-bad7-4a6a-9046-20a054a28a94/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 53bd4b9ce9f463e7465714e944e930f779abcfee52196564bd67f18dcfe45cc9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:18:42,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:18:42,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:18:42,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:18:42,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:18:42,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:18:42,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:18:42,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:18:42,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:18:42,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:18:42,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:18:42,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:18:42,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:18:42,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:18:42,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:18:42,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:18:42,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:18:42,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:18:42,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:18:42,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:18:42,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:18:42,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:18:42,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:18:42,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:18:42,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:18:42,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:18:42,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:18:42,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:18:42,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:18:42,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:18:42,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:18:42,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:18:42,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:18:42,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:18:42,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:18:42,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:18:42,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:18:42,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:18:42,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:18:42,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:18:42,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:18:42,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a09fa7-bad7-4a6a-9046-20a054a28a94/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:18:42,970 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:18:42,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:18:42,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:18:42,972 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:18:42,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:18:42,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:18:42,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:18:42,973 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:18:42,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:18:42,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:18:42,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:18:42,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:18:42,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:18:42,974 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:18:42,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:18:42,975 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:18:42,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:18:42,975 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:18:42,975 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:18:42,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:18:42,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:18:42,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:18:42,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:18:42,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:18:42,976 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:18:42,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:18:42,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:18:42,977 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_a7a09fa7-bad7-4a6a-9046-20a054a28a94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a09fa7-bad7-4a6a-9046-20a054a28a94/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53bd4b9ce9f463e7465714e944e930f779abcfee52196564bd67f18dcfe45cc9 [2022-11-21 23:18:43,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:18:43,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:18:43,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:18:43,272 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:18:43,272 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:18:43,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a09fa7-bad7-4a6a-9046-20a054a28a94/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_17_good.i [2022-11-21 23:18:46,328 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:18:48,931 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:18:48,931 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a09fa7-bad7-4a6a-9046-20a054a28a94/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_17_good.i [2022-11-21 23:18:48,957 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a09fa7-bad7-4a6a-9046-20a054a28a94/bin/ukojak-jW3SillKbg/data/707435db2/9ad0de26db494a9ba7c2556809d41276/FLAG19a90bc9c [2022-11-21 23:18:48,972 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a09fa7-bad7-4a6a-9046-20a054a28a94/bin/ukojak-jW3SillKbg/data/707435db2/9ad0de26db494a9ba7c2556809d41276 [2022-11-21 23:18:48,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:18:48,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:18:48,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:18:48,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:18:48,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:18:48,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:18:48" (1/1) ... [2022-11-21 23:18:48,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2600ed93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:48, skipping insertion in model container [2022-11-21 23:18:48,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:18:48" (1/1) ... [2022-11-21 23:18:48,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:18:49,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:18:49,481 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:18:50,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:18:50,165 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:18:50,191 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:18:50,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:18:50,391 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:18:50,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:50 WrapperNode [2022-11-21 23:18:50,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:18:50,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:18:50,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:18:50,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:18:50,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:50" (1/1) ... [2022-11-21 23:18:50,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:50" (1/1) ... [2022-11-21 23:18:50,492 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 96 [2022-11-21 23:18:50,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:18:50,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:18:50,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:18:50,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:18:50,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:50" (1/1) ... [2022-11-21 23:18:50,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:50" (1/1) ... [2022-11-21 23:18:50,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:50" (1/1) ... [2022-11-21 23:18:50,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:50" (1/1) ... [2022-11-21 23:18:50,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:50" (1/1) ... [2022-11-21 23:18:50,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:50" (1/1) ... [2022-11-21 23:18:50,544 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:50" (1/1) ... [2022-11-21 23:18:50,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:50" (1/1) ... [2022-11-21 23:18:50,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:18:50,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:18:50,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:18:50,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:18:50,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:18:50" (1/1) ... [2022-11-21 23:18:50,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:18:50,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a09fa7-bad7-4a6a-9046-20a054a28a94/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:18:50,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a09fa7-bad7-4a6a-9046-20a054a28a94/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:18:50,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a09fa7-bad7-4a6a-9046-20a054a28a94/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:18:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:18:50,654 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:18:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:18:50,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:18:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:18:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:18:50,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:18:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:18:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:18:50,839 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:18:50,850 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:18:51,064 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:18:51,104 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:18:51,105 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 23:18:51,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:18:51 BoogieIcfgContainer [2022-11-21 23:18:51,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:18:51,112 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:18:51,126 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:18:51,134 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:18:51,134 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:18:51" (1/1) ... [2022-11-21 23:18:51,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:18:51,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:51,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-11-21 23:18:51,191 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-11-21 23:18:51,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:18:51,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:51,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:51,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:18:51,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:51,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2022-11-21 23:18:51,638 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-11-21 23:18:51,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:18:51,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:51,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:18:51,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:51,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2022-11-21 23:18:51,798 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-11-21 23:18:51,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:18:51,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:51,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:51,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:18:51,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:51,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2022-11-21 23:18:51,979 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-11-21 23:18:51,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:18:51,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:51,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:18:52,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:52,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2022-11-21 23:18:52,261 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-11-21 23:18:52,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:18:52,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:52,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:52,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:18:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:52,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2022-11-21 23:18:52,460 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-11-21 23:18:52,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:18:52,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:52,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:52,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:18:52,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:52,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2022-11-21 23:18:52,602 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2022-11-21 23:18:52,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:18:52,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:52,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:52,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:18:52,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:52,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 51 states and 62 transitions. [2022-11-21 23:18:52,688 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2022-11-21 23:18:52,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:18:52,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:52,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:52,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:18:52,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:52,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 65 transitions. [2022-11-21 23:18:52,942 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2022-11-21 23:18:52,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:18:52,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:52,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:18:53,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:53,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 56 states and 68 transitions. [2022-11-21 23:18:53,146 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2022-11-21 23:18:53,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:18:53,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:53,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:53,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:18:53,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:53,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 57 states and 69 transitions. [2022-11-21 23:18:53,218 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2022-11-21 23:18:53,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:18:53,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:53,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:18:53,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 44 transitions. [2022-11-21 23:18:53,493 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-11-21 23:18:53,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:18:53,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:53,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:53,576 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:18:53,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:53,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 38 transitions. [2022-11-21 23:18:53,685 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2022-11-21 23:18:53,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:18:53,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:53,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:53,827 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:18:54,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:54,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 42 transitions. [2022-11-21 23:18:54,223 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-11-21 23:18:54,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:18:54,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:54,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:54,333 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:18:54,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:54,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 47 transitions. [2022-11-21 23:18:54,984 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-11-21 23:18:54,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:18:54,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:54,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:55,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:18:55,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:55,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 57 transitions. [2022-11-21 23:18:55,879 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-11-21 23:18:55,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:18:55,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:55,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:18:55,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:55,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 60 transitions. [2022-11-21 23:18:55,966 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-11-21 23:18:55,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 23:18:55,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:55,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:56,122 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:18:56,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:56,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 61 transitions. [2022-11-21 23:18:56,369 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-11-21 23:18:56,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 23:18:56,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:56,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:18:56,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:56,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 62 transitions. [2022-11-21 23:18:56,626 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-11-21 23:18:56,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-21 23:18:56,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:18:56,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:18:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:18:56,731 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:18:56,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:18:56,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 35 states and 38 transitions. [2022-11-21 23:18:56,982 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2022-11-21 23:18:56,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:18:56,982 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2022-11-21 23:18:56,991 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-21 23:18:57,108 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-11-21 23:18:57,121 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:18:57,122 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:18:57,122 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-11-21 23:18:57,122 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:18:57,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:18:57 ImpRootNode [2022-11-21 23:18:57,123 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:18:57,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:18:57,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:18:57,124 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:18:57,125 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:18:51" (3/4) ... [2022-11-21 23:18:57,128 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:18:57,134 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:18:57,134 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:18:57,138 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 23:18:57,139 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-21 23:18:57,139 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:18:57,139 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:18:57,209 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a09fa7-bad7-4a6a-9046-20a054a28a94/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:18:57,209 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:18:57,210 INFO L158 Benchmark]: Toolchain (without parser) took 8233.00ms. Allocated memory is still 216.0MB. Free memory was 160.2MB in the beginning and 150.6MB in the end (delta: 9.6MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2022-11-21 23:18:57,210 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 146.8MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:18:57,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1414.12ms. Allocated memory is still 216.0MB. Free memory was 160.2MB in the beginning and 174.7MB in the end (delta: -14.5MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2022-11-21 23:18:57,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.14ms. Allocated memory is still 216.0MB. Free memory was 174.7MB in the beginning and 171.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:18:57,211 INFO L158 Benchmark]: Boogie Preprocessor took 67.81ms. Allocated memory is still 216.0MB. Free memory was 171.6MB in the beginning and 169.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:18:57,212 INFO L158 Benchmark]: RCFGBuilder took 549.69ms. Allocated memory is still 216.0MB. Free memory was 169.5MB in the beginning and 153.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:18:57,212 INFO L158 Benchmark]: CodeCheck took 6010.65ms. Allocated memory is still 216.0MB. Free memory was 153.8MB in the beginning and 154.7MB in the end (delta: -966.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:18:57,213 INFO L158 Benchmark]: Witness Printer took 85.49ms. Allocated memory is still 216.0MB. Free memory was 154.7MB in the beginning and 150.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:18:57,215 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, 44 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1131 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 414 mSDsluCounter, 489 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 142 mSDsCounter, 667 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2202 IncrementalHoareTripleChecker+Invalid, 2869 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 667 mSolverCounterUnsat, 347 mSDtfsCounter, 2202 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2806 GetRequests, 2702 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3323 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 406 NumberOfCodeBlocks, 406 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 643 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 83/89 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: 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 <= i && data + 2147483648 <= 0) || i == 0 - InvariantResult [Line: 1580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: h == 0 || ((1 <= h && data + 2 <= 0) && 0 <= data + 2) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 146.8MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1414.12ms. Allocated memory is still 216.0MB. Free memory was 160.2MB in the beginning and 174.7MB in the end (delta: -14.5MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.14ms. Allocated memory is still 216.0MB. Free memory was 174.7MB in the beginning and 171.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.81ms. Allocated memory is still 216.0MB. Free memory was 171.6MB in the beginning and 169.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 549.69ms. Allocated memory is still 216.0MB. Free memory was 169.5MB in the beginning and 153.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6010.65ms. Allocated memory is still 216.0MB. Free memory was 153.8MB in the beginning and 154.7MB in the end (delta: -966.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 85.49ms. Allocated memory is still 216.0MB. Free memory was 154.7MB in the beginning and 150.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:18:57,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a09fa7-bad7-4a6a-9046-20a054a28a94/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