./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/bin/ukojak-pZX7IvK2PQ --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 5d5c8c451beb9221ae3ccfb201911d5862963c40de0699ef2809344939376120 --- 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-6b4ec56 [2022-11-20 18:25:51,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:25:51,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:25:51,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:25:51,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:25:51,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:25:51,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:25:51,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:25:51,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:25:51,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:25:51,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:25:51,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:25:51,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:25:51,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:25:51,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:25:51,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:25:51,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:25:51,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:25:51,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:25:51,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:25:51,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:25:51,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:25:51,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:25:51,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:25:51,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:25:51,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:25:51,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:25:51,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:25:51,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:25:51,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:25:51,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:25:51,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:25:51,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:25:51,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:25:51,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:25:51,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:25:51,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:25:51,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:25:51,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:25:51,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:25:51,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:25:51,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:25:51,412 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:25:51,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:25:51,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:25:51,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:25:51,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:25:51,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:25:51,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:25:51,415 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:25:51,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:25:51,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:25:51,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:25:51,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:25:51,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:25:51,417 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:25:51,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:25:51,417 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:25:51,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:25:51,418 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:25:51,418 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:25:51,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:25:51,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:25:51,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:25:51,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:25:51,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:25:51,419 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:25:51,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:25:51,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:25:51,420 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_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d5c8c451beb9221ae3ccfb201911d5862963c40de0699ef2809344939376120 [2022-11-20 18:25:51,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:25:51,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:25:51,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:25:51,711 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:25:51,712 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:25:51,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_good.i [2022-11-20 18:25:54,797 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:25:55,161 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:25:55,162 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_12_good.i [2022-11-20 18:25:55,185 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/bin/ukojak-pZX7IvK2PQ/data/4fa59d522/4b5b5c9f649145d2bbfa02c7b016ed78/FLAGc6f6068b9 [2022-11-20 18:25:55,200 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/bin/ukojak-pZX7IvK2PQ/data/4fa59d522/4b5b5c9f649145d2bbfa02c7b016ed78 [2022-11-20 18:25:55,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:25:55,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:25:55,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:25:55,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:25:55,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:25:55,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:25:55" (1/1) ... [2022-11-20 18:25:55,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b36c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:55, skipping insertion in model container [2022-11-20 18:25:55,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:25:55" (1/1) ... [2022-11-20 18:25:55,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:25:55,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:25:55,660 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:25:56,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:25:56,355 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:25:56,374 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:25:56,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:25:56,609 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:25:56,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:56 WrapperNode [2022-11-20 18:25:56,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:25:56,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:25:56,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:25:56,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:25:56,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:56" (1/1) ... [2022-11-20 18:25:56,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:56" (1/1) ... [2022-11-20 18:25:56,716 INFO L138 Inliner]: procedures = 502, calls = 83, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 121 [2022-11-20 18:25:56,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:25:56,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:25:56,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:25:56,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:25:56,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:56" (1/1) ... [2022-11-20 18:25:56,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:56" (1/1) ... [2022-11-20 18:25:56,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:56" (1/1) ... [2022-11-20 18:25:56,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:56" (1/1) ... [2022-11-20 18:25:56,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:56" (1/1) ... [2022-11-20 18:25:56,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:56" (1/1) ... [2022-11-20 18:25:56,772 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:56" (1/1) ... [2022-11-20 18:25:56,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:56" (1/1) ... [2022-11-20 18:25:56,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:25:56,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:25:56,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:25:56,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:25:56,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:56" (1/1) ... [2022-11-20 18:25:56,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:25:56,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:25:56,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:25:56,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:25:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 18:25:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 18:25:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 18:25:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-20 18:25:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-20 18:25:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:25:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:25:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:25:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 18:25:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:25:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:25:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:25:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:25:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:25:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:25:57,130 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:25:57,132 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:25:57,383 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:25:57,438 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:25:57,441 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:25:57,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:25:57 BoogieIcfgContainer [2022-11-20 18:25:57,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:25:57,445 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:25:57,445 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:25:57,456 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:25:57,457 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:25:57" (1/1) ... [2022-11-20 18:25:57,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:25:57,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:57,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2022-11-20 18:25:57,553 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2022-11-20 18:25:57,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:25:57,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:57,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:57,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:25:58,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:58,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2022-11-20 18:25:58,006 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2022-11-20 18:25:58,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:25:58,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:58,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:58,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:25:58,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:58,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 53 states and 70 transitions. [2022-11-20 18:25:58,143 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-11-20 18:25:58,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:25:58,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:58,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:25:58,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:58,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 81 transitions. [2022-11-20 18:25:58,465 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2022-11-20 18:25:58,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:25:58,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:58,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:58,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:25:58,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:58,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 84 transitions. [2022-11-20 18:25:58,629 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2022-11-20 18:25:58,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:25:58,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:58,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:58,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:25:58,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:58,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2022-11-20 18:25:58,702 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-11-20 18:25:58,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:25:58,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:58,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:58,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:25:58,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:58,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 63 states and 83 transitions. [2022-11-20 18:25:58,902 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-11-20 18:25:58,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:25:58,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:58,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:59,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:25:59,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 51 states and 68 transitions. [2022-11-20 18:25:59,068 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-11-20 18:25:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 18:25:59,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:59,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:59,227 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 18:25:59,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:59,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 67 transitions. [2022-11-20 18:25:59,299 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-20 18:25:59,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 18:25:59,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:59,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:59,447 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 18:25:59,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:59,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 49 states and 66 transitions. [2022-11-20 18:25:59,491 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2022-11-20 18:25:59,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:25:59,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:59,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:59,626 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 18:25:59,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:59,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 48 states and 65 transitions. [2022-11-20 18:25:59,640 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2022-11-20 18:25:59,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:25:59,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:59,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:59,717 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 18:25:59,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:59,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 47 states and 64 transitions. [2022-11-20 18:25:59,755 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2022-11-20 18:25:59,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:25:59,757 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2022-11-20 18:25:59,767 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 18:25:59,835 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:25:59,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:25:59 ImpRootNode [2022-11-20 18:25:59,846 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:25:59,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:25:59,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:25:59,848 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:25:59,850 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:25:57" (3/4) ... [2022-11-20 18:25:59,857 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:25:59,869 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 18:25:59,869 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-11-20 18:25:59,875 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 18:25:59,880 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 18:25:59,882 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 18:25:59,882 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 18:25:59,883 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:25:59,883 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:25:59,967 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:25:59,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:25:59,968 INFO L158 Benchmark]: Toolchain (without parser) took 4764.18ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 94.3MB in the beginning and 137.8MB in the end (delta: -43.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:25:59,969 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 98.6MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:25:59,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1406.11ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 94.0MB in the beginning and 110.5MB in the end (delta: -16.6MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2022-11-20 18:25:59,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.45ms. Allocated memory is still 182.5MB. Free memory was 110.5MB in the beginning and 107.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:25:59,970 INFO L158 Benchmark]: Boogie Preprocessor took 59.11ms. Allocated memory is still 182.5MB. Free memory was 107.4MB in the beginning and 105.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:25:59,970 INFO L158 Benchmark]: RCFGBuilder took 666.82ms. Allocated memory is still 182.5MB. Free memory was 105.3MB in the beginning and 86.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 18:25:59,971 INFO L158 Benchmark]: CodeCheck took 2401.67ms. Allocated memory is still 182.5MB. Free memory was 86.4MB in the beginning and 141.9MB in the end (delta: -55.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:25:59,971 INFO L158 Benchmark]: Witness Printer took 119.85ms. Allocated memory is still 182.5MB. Free memory was 141.9MB in the beginning and 137.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:25:59,973 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 4 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1025 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 188 mSDsluCounter, 843 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 198 mSDsCounter, 192 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 489 IncrementalHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 192 mSolverCounterUnsat, 645 mSDtfsCounter, 489 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2004 GetRequests, 1966 SyntacticMatches, 14 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 263 ConstructedInterpolants, 0 QuantifiedInterpolants, 435 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 74/74 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: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: 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: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 98.6MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1406.11ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 94.0MB in the beginning and 110.5MB in the end (delta: -16.6MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.45ms. Allocated memory is still 182.5MB. Free memory was 110.5MB in the beginning and 107.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.11ms. Allocated memory is still 182.5MB. Free memory was 107.4MB in the beginning and 105.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 666.82ms. Allocated memory is still 182.5MB. Free memory was 105.3MB in the beginning and 86.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2401.67ms. Allocated memory is still 182.5MB. Free memory was 86.4MB in the beginning and 141.9MB in the end (delta: -55.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 119.85ms. Allocated memory is still 182.5MB. Free memory was 141.9MB in the beginning and 137.8MB 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! [2022-11-20 18:25:59,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e74a9dc7-b24a-42d0-adfa-fc6b1e653ec8/bin/ukojak-pZX7IvK2PQ/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