./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_10_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_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/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_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/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_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/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 466b1dd1b80ff8cd3c26a58eb1e997be30c7c66222b7d013535c23a91ea010b8 --- 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 23:35:34,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:35:34,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:35:34,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:35:34,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:35:34,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:35:34,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:35:34,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:35:34,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:35:34,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:35:34,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:35:34,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:35:34,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:35:34,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:35:34,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:35:34,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:35:34,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:35:34,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:35:34,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:35:34,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:35:34,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:35:34,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:35:34,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:35:34,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:35:34,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:35:34,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:35:34,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:35:34,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:35:34,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:35:34,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:35:34,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:35:34,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:35:34,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:35:34,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:35:34,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:35:34,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:35:34,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:35:34,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:35:34,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:35:34,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:35:34,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:35:34,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:35:34,390 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:35:34,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:35:34,394 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:35:34,394 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:35:34,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:35:34,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:35:34,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:35:34,396 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:35:34,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:35:34,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:35:34,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:35:34,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:35:34,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:35:34,398 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:35:34,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:35:34,398 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:35:34,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:35:34,398 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:35:34,399 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:35:34,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:35:34,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:35:34,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:35:34,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:35:34,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:35:34,400 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:35:34,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:35:34,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:35:34,401 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_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 466b1dd1b80ff8cd3c26a58eb1e997be30c7c66222b7d013535c23a91ea010b8 [2022-11-21 23:35:34,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:35:34,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:35:34,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:35:34,717 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:35:34,718 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:35:34,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_10_good.i [2022-11-21 23:35:37,826 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:35:38,211 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:35:38,212 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_10_good.i [2022-11-21 23:35:38,238 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/bin/ukojak-jW3SillKbg/data/59bfb8db3/bb4b32d4f1da4d4687980e58faef055d/FLAG036ecc50e [2022-11-21 23:35:38,258 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/bin/ukojak-jW3SillKbg/data/59bfb8db3/bb4b32d4f1da4d4687980e58faef055d [2022-11-21 23:35:38,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:35:38,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:35:38,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:35:38,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:35:38,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:35:38,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:35:38" (1/1) ... [2022-11-21 23:35:38,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bee8cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:38, skipping insertion in model container [2022-11-21 23:35:38,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:35:38" (1/1) ... [2022-11-21 23:35:38,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:35:38,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:35:38,776 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:35:39,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:35:39,384 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:35:39,422 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:35:39,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:35:39,748 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:35:39,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:39 WrapperNode [2022-11-21 23:35:39,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:35:39,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:35:39,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:35:39,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:35:39,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:39" (1/1) ... [2022-11-21 23:35:39,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:39" (1/1) ... [2022-11-21 23:35:39,842 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 77 [2022-11-21 23:35:39,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:35:39,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:35:39,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:35:39,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:35:39,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:39" (1/1) ... [2022-11-21 23:35:39,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:39" (1/1) ... [2022-11-21 23:35:39,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:39" (1/1) ... [2022-11-21 23:35:39,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:39" (1/1) ... [2022-11-21 23:35:39,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:39" (1/1) ... [2022-11-21 23:35:39,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:39" (1/1) ... [2022-11-21 23:35:39,865 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:39" (1/1) ... [2022-11-21 23:35:39,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:39" (1/1) ... [2022-11-21 23:35:39,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:35:39,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:35:39,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:35:39,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:35:39,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:39" (1/1) ... [2022-11-21 23:35:39,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:35:39,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:35:39,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:35:39,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:35:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:35:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:35:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:35:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:35:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:35:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:35:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:35:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:35:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:35:40,138 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:35:40,140 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:35:40,392 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:35:40,453 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:35:40,454 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:35:40,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:35:40 BoogieIcfgContainer [2022-11-21 23:35:40,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:35:40,458 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:35:40,458 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:35:40,469 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:35:40,469 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:35:40" (1/1) ... [2022-11-21 23:35:40,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:35:40,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:40,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 59 transitions. [2022-11-21 23:35:40,541 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2022-11-21 23:35:40,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:35:40,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:40,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:40,904 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 23:35:40,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:40,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2022-11-21 23:35:40,984 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2022-11-21 23:35:40,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:35:40,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:40,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:41,080 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 23:35:41,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:41,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2022-11-21 23:35:41,152 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-11-21 23:35:41,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:35:41,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:41,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:41,251 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 23:35:41,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:41,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 54 transitions. [2022-11-21 23:35:41,365 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2022-11-21 23:35:41,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:35:41,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:41,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:41,572 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 23:35:41,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:41,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 58 transitions. [2022-11-21 23:35:41,835 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2022-11-21 23:35:41,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:35:41,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:41,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:41,900 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 23:35:42,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:42,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 57 transitions. [2022-11-21 23:35:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-11-21 23:35:42,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:35:42,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:42,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:42,130 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 23:35:42,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:42,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 34 states and 41 transitions. [2022-11-21 23:35:42,517 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-11-21 23:35:42,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:35:42,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:42,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:42,604 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 23:35:42,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:42,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 36 states and 45 transitions. [2022-11-21 23:35:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-11-21 23:35:42,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:35:42,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:42,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:42,750 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 23:35:42,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:42,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 50 transitions. [2022-11-21 23:35:42,855 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2022-11-21 23:35:42,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:35:42,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:42,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:42,896 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 23:35:43,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:43,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 31 states and 36 transitions. [2022-11-21 23:35:43,305 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2022-11-21 23:35:43,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:35:43,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:43,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:43,372 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 23:35:43,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:43,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 31 states and 35 transitions. [2022-11-21 23:35:43,665 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-11-21 23:35:43,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:35:43,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:43,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:43,770 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 23:35:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:43,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 30 states and 34 transitions. [2022-11-21 23:35:43,985 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-11-21 23:35:43,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:35:43,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:43,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:44,109 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 23:35:44,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:44,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 29 states and 33 transitions. [2022-11-21 23:35:44,238 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-11-21 23:35:44,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:35:44,238 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2022-11-21 23:35:44,249 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 23:35:44,444 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:35:44,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:35:44 ImpRootNode [2022-11-21 23:35:44,449 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:35:44,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:35:44,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:35:44,451 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:35:44,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:35:40" (3/4) ... [2022-11-21 23:35:44,455 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:35:44,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:35:44,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:35:44,470 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-21 23:35:44,471 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 23:35:44,471 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:35:44,471 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:35:44,540 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:35:44,541 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:35:44,541 INFO L158 Benchmark]: Toolchain (without parser) took 6275.47ms. Allocated memory was 153.1MB in the beginning and 203.4MB in the end (delta: 50.3MB). Free memory was 119.2MB in the beginning and 124.3MB in the end (delta: -5.1MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2022-11-21 23:35:44,542 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 121.6MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:35:44,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1479.11ms. Allocated memory is still 153.1MB. Free memory was 119.2MB in the beginning and 112.9MB in the end (delta: 6.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-21 23:35:44,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.71ms. Allocated memory is still 153.1MB. Free memory was 112.9MB in the beginning and 110.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:35:44,544 INFO L158 Benchmark]: Boogie Preprocessor took 26.37ms. Allocated memory is still 153.1MB. Free memory was 110.3MB in the beginning and 108.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:35:44,544 INFO L158 Benchmark]: RCFGBuilder took 587.13ms. Allocated memory is still 153.1MB. Free memory was 108.8MB in the beginning and 92.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:35:44,544 INFO L158 Benchmark]: CodeCheck took 3991.82ms. Allocated memory was 153.1MB in the beginning and 203.4MB in the end (delta: 50.3MB). Free memory was 92.0MB in the beginning and 128.4MB in the end (delta: -36.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-11-21 23:35:44,545 INFO L158 Benchmark]: Witness Printer took 90.64ms. Allocated memory is still 203.4MB. Free memory was 128.4MB in the beginning and 124.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:35:44,546 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, 45 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1145 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 301 mSDsluCounter, 800 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 204 mSDsCounter, 269 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 936 IncrementalHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 269 mSolverCounterUnsat, 596 mSDtfsCounter, 936 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1837 GetRequests, 1751 SyntacticMatches, 6 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2535 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 205 ConstructedInterpolants, 0 QuantifiedInterpolants, 490 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 48/48 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: 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: 1642]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 121.6MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1479.11ms. Allocated memory is still 153.1MB. Free memory was 119.2MB in the beginning and 112.9MB in the end (delta: 6.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.71ms. Allocated memory is still 153.1MB. Free memory was 112.9MB in the beginning and 110.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.37ms. Allocated memory is still 153.1MB. Free memory was 110.3MB in the beginning and 108.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 587.13ms. Allocated memory is still 153.1MB. Free memory was 108.8MB in the beginning and 92.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3991.82ms. Allocated memory was 153.1MB in the beginning and 203.4MB in the end (delta: 50.3MB). Free memory was 92.0MB in the beginning and 128.4MB in the end (delta: -36.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Witness Printer took 90.64ms. Allocated memory is still 203.4MB. Free memory was 128.4MB in the beginning and 124.3MB 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 23:35:44,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aba948eb-46a0-40aa-a76f-6b360b4ae4fd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE