./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/sll2n_remove_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_2d58b95a-b334-49d5-a66c-0237e7d720a5/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_remove_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/bin/ukojak-rkRKPMF4O4 --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 32bit --witnessprinter.graph.data.programhash bae9bfc842bb010963d083e19e9498cfd3af182f91f0b8fa56907786a4d462dd --- 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-2329fc7 [2022-12-14 17:55:54,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 17:55:54,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 17:55:54,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 17:55:54,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 17:55:54,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 17:55:54,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 17:55:54,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 17:55:54,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 17:55:54,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 17:55:54,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 17:55:54,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 17:55:54,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 17:55:54,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 17:55:54,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 17:55:54,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 17:55:54,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 17:55:54,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 17:55:54,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 17:55:54,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 17:55:54,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 17:55:54,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 17:55:54,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 17:55:54,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 17:55:54,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 17:55:54,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 17:55:54,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 17:55:54,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 17:55:54,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 17:55:54,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 17:55:54,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 17:55:54,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 17:55:54,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 17:55:54,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 17:55:54,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 17:55:54,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 17:55:54,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 17:55:54,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 17:55:54,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 17:55:54,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 17:55:54,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 17:55:54,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 17:55:54,315 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 17:55:54,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 17:55:54,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 17:55:54,316 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 17:55:54,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 17:55:54,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 17:55:54,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 17:55:54,317 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 17:55:54,317 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 17:55:54,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 17:55:54,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 17:55:54,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 17:55:54,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 17:55:54,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 17:55:54,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 17:55:54,318 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 17:55:54,318 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 17:55:54,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 17:55:54,319 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 17:55:54,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 17:55:54,319 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 17:55:54,319 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 17:55:54,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 17:55:54,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:55:54,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 17:55:54,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 17:55:54,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 17:55:54,320 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 17:55:54,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 17:55:54,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 17:55:54,321 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_2d58b95a-b334-49d5-a66c-0237e7d720a5/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bae9bfc842bb010963d083e19e9498cfd3af182f91f0b8fa56907786a4d462dd [2022-12-14 17:55:54,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 17:55:54,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 17:55:54,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 17:55:54,550 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 17:55:54,551 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 17:55:54,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/list-simple/sll2n_remove_all.i [2022-12-14 17:55:57,237 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 17:55:57,408 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 17:55:57,409 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/sv-benchmarks/c/list-simple/sll2n_remove_all.i [2022-12-14 17:55:57,417 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/bin/ukojak-rkRKPMF4O4/data/4c15cc0dc/74b10c2c2d1f4059b28acbd3ffcad9db/FLAG80648ef0d [2022-12-14 17:55:57,427 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/bin/ukojak-rkRKPMF4O4/data/4c15cc0dc/74b10c2c2d1f4059b28acbd3ffcad9db [2022-12-14 17:55:57,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 17:55:57,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 17:55:57,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 17:55:57,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 17:55:57,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 17:55:57,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:55:57" (1/1) ... [2022-12-14 17:55:57,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5788f252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:57, skipping insertion in model container [2022-12-14 17:55:57,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:55:57" (1/1) ... [2022-12-14 17:55:57,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 17:55:57,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 17:55:57,642 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/sv-benchmarks/c/list-simple/sll2n_remove_all.i[23806,23819] [2022-12-14 17:55:57,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:55:57,649 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 17:55:57,675 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/sv-benchmarks/c/list-simple/sll2n_remove_all.i[23806,23819] [2022-12-14 17:55:57,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:55:57,693 INFO L208 MainTranslator]: Completed translation [2022-12-14 17:55:57,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:57 WrapperNode [2022-12-14 17:55:57,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 17:55:57,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 17:55:57,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 17:55:57,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 17:55:57,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:57" (1/1) ... [2022-12-14 17:55:57,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:57" (1/1) ... [2022-12-14 17:55:57,723 INFO L138 Inliner]: procedures = 126, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 89 [2022-12-14 17:55:57,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 17:55:57,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 17:55:57,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 17:55:57,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 17:55:57,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:57" (1/1) ... [2022-12-14 17:55:57,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:57" (1/1) ... [2022-12-14 17:55:57,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:57" (1/1) ... [2022-12-14 17:55:57,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:57" (1/1) ... [2022-12-14 17:55:57,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:57" (1/1) ... [2022-12-14 17:55:57,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:57" (1/1) ... [2022-12-14 17:55:57,741 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:57" (1/1) ... [2022-12-14 17:55:57,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:57" (1/1) ... [2022-12-14 17:55:57,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 17:55:57,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 17:55:57,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 17:55:57,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 17:55:57,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:57" (1/1) ... [2022-12-14 17:55:57,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:55:57,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 17:55:57,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 17:55:57,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 17:55:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 17:55:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 17:55:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 17:55:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 17:55:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 17:55:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 17:55:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 17:55:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 17:55:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 17:55:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 17:55:57,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 17:55:57,894 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 17:55:57,896 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 17:55:58,046 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 17:55:58,101 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 17:55:58,102 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 17:55:58,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:55:58 BoogieIcfgContainer [2022-12-14 17:55:58,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 17:55:58,105 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 17:55:58,105 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 17:55:58,115 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 17:55:58,115 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:55:58" (1/1) ... [2022-12-14 17:55:58,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 17:55:58,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:58,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-12-14 17:55:58,164 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-12-14 17:55:58,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 17:55:58,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:58,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:58,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:58,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-12-14 17:55:58,359 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-12-14 17:55:58,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 17:55:58,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:58,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:58,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:58,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:58,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2022-12-14 17:55:58,480 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-12-14 17:55:58,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 17:55:58,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:58,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:58,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:58,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:58,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-12-14 17:55:58,553 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-12-14 17:55:58,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 17:55:58,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:58,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:58,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:58,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:58,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2022-12-14 17:55:58,648 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-12-14 17:55:58,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 17:55:58,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:58,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:58,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 17:55:58,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:58,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-12-14 17:55:58,742 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-12-14 17:55:58,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 17:55:58,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:58,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:58,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:59,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:59,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2022-12-14 17:55:59,009 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-12-14 17:55:59,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 17:55:59,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:59,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 17:55:59,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:59,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2022-12-14 17:55:59,465 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-12-14 17:55:59,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 17:55:59,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:59,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:59,512 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 17:55:59,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:59,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2022-12-14 17:55:59,522 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-12-14 17:55:59,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 17:55:59,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:59,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:59,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 17:55:59,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:59,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-12-14 17:55:59,628 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-12-14 17:55:59,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 17:55:59,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:59,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:59,727 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 17:55:59,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:59,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-12-14 17:55:59,836 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-12-14 17:55:59,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 17:55:59,837 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2022-12-14 17:55:59,843 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-14 17:55:59,900 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-12-14 17:55:59,908 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-12-14 17:55:59,909 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 17:55:59,909 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 17:55:59,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 05:55:59 ImpRootNode [2022-12-14 17:55:59,909 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 17:55:59,910 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 17:55:59,910 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 17:55:59,910 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 17:55:59,910 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:55:58" (3/4) ... [2022-12-14 17:55:59,913 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 17:55:59,919 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-14 17:55:59,919 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 17:55:59,920 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 17:55:59,920 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 17:55:59,949 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 17:55:59,949 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 17:55:59,949 INFO L158 Benchmark]: Toolchain (without parser) took 2519.16ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 89.3MB in the beginning and 107.8MB in the end (delta: -18.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2022-12-14 17:55:59,949 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 140.5MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 17:55:59,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.27ms. Allocated memory is still 140.5MB. Free memory was 88.9MB in the beginning and 72.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 17:55:59,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.68ms. Allocated memory is still 140.5MB. Free memory was 72.1MB in the beginning and 70.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 17:55:59,950 INFO L158 Benchmark]: Boogie Preprocessor took 19.58ms. Allocated memory is still 140.5MB. Free memory was 70.0MB in the beginning and 68.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 17:55:59,950 INFO L158 Benchmark]: RCFGBuilder took 360.12ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 68.7MB in the beginning and 145.1MB in the end (delta: -76.5MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2022-12-14 17:55:59,951 INFO L158 Benchmark]: CodeCheck took 1804.21ms. Allocated memory is still 176.2MB. Free memory was 145.1MB in the beginning and 110.9MB in the end (delta: 34.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2022-12-14 17:55:59,951 INFO L158 Benchmark]: Witness Printer took 39.06ms. Allocated memory is still 176.2MB. Free memory was 110.9MB in the beginning and 107.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 17:55:59,952 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 1 procedures, 18 locations, 6 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, 213 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 179 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 589 IncrementalHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 179 mSolverCounterUnsat, 78 mSDtfsCounter, 589 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 626 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1279 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 27/32 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: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (2 == len && len == 2) || (len <= 1 && len == 2) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: (2 == len && len == 2) || ((1 <= len && len <= 1) && len == 2) - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: i <= 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 140.5MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.27ms. Allocated memory is still 140.5MB. Free memory was 88.9MB in the beginning and 72.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.68ms. Allocated memory is still 140.5MB. Free memory was 72.1MB in the beginning and 70.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.58ms. Allocated memory is still 140.5MB. Free memory was 70.0MB in the beginning and 68.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 360.12ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 68.7MB in the beginning and 145.1MB in the end (delta: -76.5MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * CodeCheck took 1804.21ms. Allocated memory is still 176.2MB. Free memory was 145.1MB in the beginning and 110.9MB in the end (delta: 34.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Witness Printer took 39.06ms. Allocated memory is still 176.2MB. Free memory was 110.9MB in the beginning and 107.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 17:55:59,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d58b95a-b334-49d5-a66c-0237e7d720a5/bin/ukojak-rkRKPMF4O4/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