./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_02_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_c705174b-0747-4052-adf1-ae57a3311249/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c705174b-0747-4052-adf1-ae57a3311249/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_c705174b-0747-4052-adf1-ae57a3311249/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c705174b-0747-4052-adf1-ae57a3311249/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c705174b-0747-4052-adf1-ae57a3311249/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_c705174b-0747-4052-adf1-ae57a3311249/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 b5393bd8f46f9141266d49b2816fe08d44ea09d57e239bfa5c07b22aa84ab87f --- 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 16:45:11,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:45:11,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:45:11,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:45:11,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:45:11,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:45:11,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:45:11,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:45:11,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:45:11,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:45:11,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:45:11,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:45:11,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:45:11,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:45:11,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:45:11,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:45:11,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:45:11,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:45:11,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:45:11,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:45:11,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:45:11,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:45:11,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:45:11,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:45:11,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:45:11,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:45:11,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:45:11,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:45:11,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:45:11,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:45:11,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:45:11,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:45:11,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:45:11,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:45:11,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:45:11,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:45:11,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:45:11,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:45:11,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:45:11,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:45:11,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:45:11,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c705174b-0747-4052-adf1-ae57a3311249/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:45:11,403 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:45:11,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:45:11,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:45:11,404 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:45:11,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:45:11,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:45:11,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:45:11,406 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:45:11,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:45:11,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:45:11,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:45:11,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:45:11,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:45:11,408 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:45:11,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:45:11,408 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:45:11,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:45:11,408 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:45:11,409 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:45:11,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:45:11,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:45:11,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:45:11,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:45:11,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:45:11,410 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:45:11,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:45:11,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:45:11,411 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_c705174b-0747-4052-adf1-ae57a3311249/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c705174b-0747-4052-adf1-ae57a3311249/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5393bd8f46f9141266d49b2816fe08d44ea09d57e239bfa5c07b22aa84ab87f [2022-11-20 16:45:11,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:45:11,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:45:11,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:45:11,756 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:45:11,757 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:45:11,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c705174b-0747-4052-adf1-ae57a3311249/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_02_good.i [2022-11-20 16:45:14,780 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:45:15,180 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:45:15,183 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c705174b-0747-4052-adf1-ae57a3311249/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_02_good.i [2022-11-20 16:45:15,216 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c705174b-0747-4052-adf1-ae57a3311249/bin/ukojak-pZX7IvK2PQ/data/3f2fd41d9/52f7922bfed84263896248421d8bdeb7/FLAG1298a82a6 [2022-11-20 16:45:15,237 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c705174b-0747-4052-adf1-ae57a3311249/bin/ukojak-pZX7IvK2PQ/data/3f2fd41d9/52f7922bfed84263896248421d8bdeb7 [2022-11-20 16:45:15,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:45:15,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:45:15,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:15,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:45:15,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:45:15,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:15" (1/1) ... [2022-11-20 16:45:15,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4a1d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:15, skipping insertion in model container [2022-11-20 16:45:15,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:15" (1/1) ... [2022-11-20 16:45:15,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:45:15,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:45:15,792 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:45:16,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:16,390 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:45:16,420 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:45:16,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:16,689 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:45:16,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:16 WrapperNode [2022-11-20 16:45:16,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:16,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:16,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:45:16,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:45:16,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:16" (1/1) ... [2022-11-20 16:45:16,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:16" (1/1) ... [2022-11-20 16:45:16,759 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 111 [2022-11-20 16:45:16,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:16,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:45:16,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:45:16,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:45:16,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:16" (1/1) ... [2022-11-20 16:45:16,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:16" (1/1) ... [2022-11-20 16:45:16,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:16" (1/1) ... [2022-11-20 16:45:16,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:16" (1/1) ... [2022-11-20 16:45:16,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:16" (1/1) ... [2022-11-20 16:45:16,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:16" (1/1) ... [2022-11-20 16:45:16,798 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:16" (1/1) ... [2022-11-20 16:45:16,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:16" (1/1) ... [2022-11-20 16:45:16,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:45:16,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:45:16,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:45:16,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:45:16,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:16" (1/1) ... [2022-11-20 16:45:16,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:45:16,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c705174b-0747-4052-adf1-ae57a3311249/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:45:16,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c705174b-0747-4052-adf1-ae57a3311249/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:45:16,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c705174b-0747-4052-adf1-ae57a3311249/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:45:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:45:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:45:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 16:45:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:45:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:45:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:45:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 16:45:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:45:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:45:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:45:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:45:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:45:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:45:17,152 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:45:17,154 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:45:17,403 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:45:17,446 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:45:17,446 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 16:45:17,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:17 BoogieIcfgContainer [2022-11-20 16:45:17,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:45:17,451 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:45:17,451 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:45:17,462 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:45:17,462 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:17" (1/1) ... [2022-11-20 16:45:17,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:45:17,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:17,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 75 transitions. [2022-11-20 16:45:17,535 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2022-11-20 16:45:17,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:45:17,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:17,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:17,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:17,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:17,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 53 states and 71 transitions. [2022-11-20 16:45:17,785 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2022-11-20 16:45:17,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:45:17,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:17,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:17,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:17,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:18,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 52 states and 70 transitions. [2022-11-20 16:45:18,001 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2022-11-20 16:45:18,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:45:18,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:18,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:18,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:18,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:18,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 51 states and 69 transitions. [2022-11-20 16:45:18,181 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2022-11-20 16:45:18,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:45:18,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:18,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:18,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:18,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 68 transitions. [2022-11-20 16:45:18,235 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-11-20 16:45:18,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:45:18,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:18,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:18,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:18,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:18,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 67 transitions. [2022-11-20 16:45:18,380 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-20 16:45:18,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:45:18,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:18,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:18,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:18,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:18,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 66 transitions. [2022-11-20 16:45:18,500 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2022-11-20 16:45:18,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:45:18,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:18,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:18,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:18,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:18,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 61 transitions. [2022-11-20 16:45:18,621 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2022-11-20 16:45:18,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:18,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:18,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:18,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:18,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 60 transitions. [2022-11-20 16:45:18,805 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2022-11-20 16:45:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 16:45:18,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:18,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:18,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:18,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:18,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 58 transitions. [2022-11-20 16:45:18,960 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2022-11-20 16:45:18,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:45:18,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:18,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:19,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:19,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:19,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 57 transitions. [2022-11-20 16:45:19,162 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2022-11-20 16:45:19,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:45:19,165 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2022-11-20 16:45:19,176 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 16:45:19,238 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:45:19,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:45:19 ImpRootNode [2022-11-20 16:45:19,244 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:45:19,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:45:19,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:45:19,245 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:45:19,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:17" (3/4) ... [2022-11-20 16:45:19,257 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:45:19,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:45:19,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:45:19,278 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 16:45:19,281 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 16:45:19,282 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 16:45:19,282 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:45:19,283 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:45:19,346 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c705174b-0747-4052-adf1-ae57a3311249/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:45:19,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:45:19,347 INFO L158 Benchmark]: Toolchain (without parser) took 4104.40ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 132.1MB in the beginning and 148.0MB in the end (delta: -16.0MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-11-20 16:45:19,348 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 130.0MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:45:19,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1443.74ms. Allocated memory is still 167.8MB. Free memory was 132.1MB in the beginning and 81.4MB in the end (delta: 50.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-11-20 16:45:19,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.73ms. Allocated memory is still 167.8MB. Free memory was 81.4MB in the beginning and 78.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:45:19,349 INFO L158 Benchmark]: Boogie Preprocessor took 45.12ms. Allocated memory is still 167.8MB. Free memory was 78.2MB in the beginning and 77.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:45:19,349 INFO L158 Benchmark]: RCFGBuilder took 643.82ms. Allocated memory is still 167.8MB. Free memory was 76.1MB in the beginning and 58.3MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 16:45:19,350 INFO L158 Benchmark]: CodeCheck took 1793.41ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 58.3MB in the beginning and 152.5MB in the end (delta: -94.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:45:19,350 INFO L158 Benchmark]: Witness Printer took 101.91ms. Allocated memory is still 201.3MB. Free memory was 152.5MB in the beginning and 148.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:45:19,352 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, 54 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 766 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 391 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 97 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 389 IncrementalHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 97 mSolverCounterUnsat, 377 mSDtfsCounter, 389 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1443 GetRequests, 1419 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 239 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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: 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: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: 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: 1670]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 130.0MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1443.74ms. Allocated memory is still 167.8MB. Free memory was 132.1MB in the beginning and 81.4MB in the end (delta: 50.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.73ms. Allocated memory is still 167.8MB. Free memory was 81.4MB in the beginning and 78.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.12ms. Allocated memory is still 167.8MB. Free memory was 78.2MB in the beginning and 77.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 643.82ms. Allocated memory is still 167.8MB. Free memory was 76.1MB in the beginning and 58.3MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1793.41ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 58.3MB in the beginning and 152.5MB in the end (delta: -94.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 101.91ms. Allocated memory is still 201.3MB. Free memory was 152.5MB in the beginning and 148.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:45:19,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c705174b-0747-4052-adf1-ae57a3311249/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