./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label18.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_b4484c79-c948-49a8-8cee-1229ee28c5b5/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4484c79-c948-49a8-8cee-1229ee28c5b5/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_b4484c79-c948-49a8-8cee-1229ee28c5b5/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4484c79-c948-49a8-8cee-1229ee28c5b5/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4484c79-c948-49a8-8cee-1229ee28c5b5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4484c79-c948-49a8-8cee-1229ee28c5b5/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f044d45d593d0c657bb6e4150ce9a34551ac2fa936f3d19e30c2549cad74ba3 --- 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 [2022-12-15 01:51:53,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:51:53,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:51:53,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:51:53,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:51:53,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:51:53,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:51:53,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:51:53,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:51:53,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:51:53,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:51:53,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:51:53,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:51:53,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:51:53,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:51:53,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:51:53,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:51:53,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:51:53,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:51:53,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:51:53,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:51:53,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:51:53,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:51:53,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:51:53,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:51:53,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:51:53,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:51:53,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:51:53,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:51:53,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:51:53,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:51:53,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:51:53,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:51:53,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:51:53,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:51:53,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:51:53,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:51:53,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:51:53,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:51:53,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:51:53,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:51:53,280 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4484c79-c948-49a8-8cee-1229ee28c5b5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:51:53,292 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:51:53,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:51:53,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:51:53,293 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:51:53,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:51:53,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:51:53,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:51:53,294 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:51:53,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:51:53,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:51:53,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:51:53,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:51:53,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:51:53,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:51:53,295 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:51:53,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:51:53,295 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:51:53,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:51:53,295 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:51:53,295 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:51:53,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:51:53,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:51:53,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:51:53,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:51:53,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:51:53,296 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:51:53,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:51:53,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:51:53,296 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_b4484c79-c948-49a8-8cee-1229ee28c5b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4484c79-c948-49a8-8cee-1229ee28c5b5/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f044d45d593d0c657bb6e4150ce9a34551ac2fa936f3d19e30c2549cad74ba3 [2022-12-15 01:51:53,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:51:53,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:51:53,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:51:53,500 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:51:53,500 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:51:53,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4484c79-c948-49a8-8cee-1229ee28c5b5/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem11_label18.c [2022-12-15 01:51:56,073 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:51:56,334 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:51:56,334 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4484c79-c948-49a8-8cee-1229ee28c5b5/sv-benchmarks/c/eca-rers2012/Problem11_label18.c [2022-12-15 01:51:56,346 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4484c79-c948-49a8-8cee-1229ee28c5b5/bin/ukojak-rkRKPMF4O4/data/f57f2e8f3/3af07466480045c89bd2101f598103ed/FLAG05da88198 [2022-12-15 01:51:56,641 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4484c79-c948-49a8-8cee-1229ee28c5b5/bin/ukojak-rkRKPMF4O4/data/f57f2e8f3/3af07466480045c89bd2101f598103ed [2022-12-15 01:51:56,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:51:56,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:51:56,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:51:56,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:51:56,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:51:56,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:51:56" (1/1) ... [2022-12-15 01:51:56,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@656b4b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:51:56, skipping insertion in model container [2022-12-15 01:51:56,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:51:56" (1/1) ... [2022-12-15 01:51:56,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:51:56,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:51:56,815 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_b4484c79-c948-49a8-8cee-1229ee28c5b5/sv-benchmarks/c/eca-rers2012/Problem11_label18.c[4971,4984] [2022-12-15 01:51:56,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:51:56,973 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:51:56,988 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_b4484c79-c948-49a8-8cee-1229ee28c5b5/sv-benchmarks/c/eca-rers2012/Problem11_label18.c[4971,4984] [2022-12-15 01:51:57,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:51:57,077 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:51:57,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:51:57 WrapperNode [2022-12-15 01:51:57,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:51:57,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:51:57,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:51:57,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:51:57,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:51:57" (1/1) ... [2022-12-15 01:51:57,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:51:57" (1/1) ... [2022-12-15 01:51:57,214 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-12-15 01:51:57,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:51:57,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:51:57,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:51:57,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:51:57,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:51:57" (1/1) ... [2022-12-15 01:51:57,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:51:57" (1/1) ... [2022-12-15 01:51:57,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:51:57" (1/1) ... [2022-12-15 01:51:57,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:51:57" (1/1) ... [2022-12-15 01:51:57,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:51:57" (1/1) ... [2022-12-15 01:51:57,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:51:57" (1/1) ... [2022-12-15 01:51:57,290 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:51:57" (1/1) ... [2022-12-15 01:51:57,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:51:57" (1/1) ... [2022-12-15 01:51:57,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:51:57,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:51:57,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:51:57,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:51:57,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:51:57" (1/1) ... [2022-12-15 01:51:57,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:51:57,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4484c79-c948-49a8-8cee-1229ee28c5b5/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:51:57,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4484c79-c948-49a8-8cee-1229ee28c5b5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:51:57,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4484c79-c948-49a8-8cee-1229ee28c5b5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:51:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:51:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:51:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:51:57,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:51:57,425 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:51:57,426 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:51:58,669 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:52:02,711 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:52:02,711 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 01:52:02,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:52:02 BoogieIcfgContainer [2022-12-15 01:52:02,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:52:02,714 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:52:02,714 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:52:02,721 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:52:02,721 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:52:02" (1/1) ... [2022-12-15 01:52:02,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:52:02,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:52:02,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-15 01:52:02,769 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-15 01:52:02,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:52:02,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:52:02,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:52:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:52:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:52:03,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:52:03,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-15 01:52:03,023 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-15 01:52:03,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:52:03,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:52:03,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:52:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:52:29,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:52:39,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-15 01:52:39,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:52:39,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-12-15 01:52:39,979 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-12-15 01:52:39,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:52:39,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:52:39,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:52:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:58,300 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:54:00,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:54:00,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2022-12-15 01:54:00,207 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2022-12-15 01:54:00,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:54:00,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:54:00,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:54:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:55:17,712 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:55:18,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:55:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 62 transitions. [2022-12-15 01:55:18,764 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 62 transitions. [2022-12-15 01:55:18,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:55:18,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:55:18,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:55:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:34,784 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:36,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:36,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 44 states and 91 transitions. [2022-12-15 01:57:36,702 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 91 transitions. [2022-12-15 01:57:36,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:57:36,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:36,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:56,853 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:59:58,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-15 02:00:00,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-15 02:00:00,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:00:00,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 47 states and 97 transitions. [2022-12-15 02:00:00,768 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 97 transitions. [2022-12-15 02:00:00,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 02:00:00,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:00:00,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:00:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:02:18,175 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:02:18,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:02:18,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 100 transitions. [2022-12-15 02:02:18,534 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 100 transitions. [2022-12-15 02:02:18,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 02:02:18,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:02:18,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:02:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:03:14,013 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-15 02:03:14,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:03:14,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 57 states and 112 transitions. [2022-12-15 02:03:14,844 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 112 transitions. [2022-12-15 02:03:14,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 02:03:14,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:03:14,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:03:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:04:10,366 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-15 02:04:10,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:04:10,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2022-12-15 02:04:10,631 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2022-12-15 02:04:10,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 02:04:10,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:04:10,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:04:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:05:11,900 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-15 02:05:12,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:05:12,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 42 states and 86 transitions. [2022-12-15 02:05:12,157 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 86 transitions. [2022-12-15 02:05:12,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 02:05:12,157 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2022-12-15 02:05:12,162 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-15 02:05:12,488 INFO L560 CodeCheckObserver]: Invariant with dag size 28 [2022-12-15 02:05:12,495 INFO L560 CodeCheckObserver]: Invariant with dag size 28 [2022-12-15 02:05:12,496 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:05:12,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:05:12 ImpRootNode [2022-12-15 02:05:12,496 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:05:12,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:05:12,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:05:12,497 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:05:12,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:52:02" (3/4) ... [2022-12-15 02:05:12,499 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 02:05:12,513 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 257 nodes and edges [2022-12-15 02:05:12,514 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-15 02:05:12,514 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-15 02:05:12,515 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 02:05:12,597 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4484c79-c948-49a8-8cee-1229ee28c5b5/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:05:12,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:05:12,598 INFO L158 Benchmark]: Toolchain (without parser) took 795953.91ms. Allocated memory was 140.5MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 103.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 415.4MB. Max. memory is 16.1GB. [2022-12-15 02:05:12,598 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 140.5MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:05:12,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.59ms. Allocated memory is still 140.5MB. Free memory was 103.1MB in the beginning and 58.7MB in the end (delta: 44.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-15 02:05:12,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.89ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 58.7MB in the beginning and 131.9MB in the end (delta: -73.2MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2022-12-15 02:05:12,599 INFO L158 Benchmark]: Boogie Preprocessor took 90.45ms. Allocated memory is still 172.0MB. Free memory was 131.9MB in the beginning and 122.4MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 02:05:12,599 INFO L158 Benchmark]: RCFGBuilder took 5408.24ms. Allocated memory was 172.0MB in the beginning and 784.3MB in the end (delta: 612.4MB). Free memory was 122.4MB in the beginning and 322.3MB in the end (delta: -199.8MB). Peak memory consumption was 494.7MB. Max. memory is 16.1GB. [2022-12-15 02:05:12,599 INFO L158 Benchmark]: CodeCheck took 789781.73ms. Allocated memory was 784.3MB in the beginning and 1.9GB in the end (delta: 1.1GB). Free memory was 322.3MB in the beginning and 1.4GB in the end (delta: -1.1GB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:05:12,599 INFO L158 Benchmark]: Witness Printer took 101.25ms. Allocated memory is still 1.9GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 02:05:12,600 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 789.4s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 654 SdHoareTripleChecker+Valid, 137.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 572 mSDsluCounter, 610 SdHoareTripleChecker+Invalid, 135.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 380 mSDsCounter, 320 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1692 IncrementalHoareTripleChecker+Invalid, 2021 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 320 mSolverCounterUnsat, 230 mSDtfsCounter, 1692 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1703 GetRequests, 1530 SyntacticMatches, 71 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4966 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 5.4s SatisfiabilityAnalysisTime, 762.6s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 2286 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 88/213 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: 118]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((a3 == 1 && !(a4 == 1)) && a8 == 15) || ((a25 <= 12 && a3 == 1) && a8 == 15)) || ((14 <= a25 && a3 == 1) && a8 == 15)) || (((a29 <= 277 || 0 <= a23 + 42) && a3 == 1) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((a25 <= 12 || !(a25 <= 13)) && a3 == 1) && a8 == 15) || ((((a29 <= 277 || 0 < a23 + 43) || !(a4 == 1)) && a3 == 1) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 140.5MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.59ms. Allocated memory is still 140.5MB. Free memory was 103.1MB in the beginning and 58.7MB in the end (delta: 44.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.89ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 58.7MB in the beginning and 131.9MB in the end (delta: -73.2MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.45ms. Allocated memory is still 172.0MB. Free memory was 131.9MB in the beginning and 122.4MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5408.24ms. Allocated memory was 172.0MB in the beginning and 784.3MB in the end (delta: 612.4MB). Free memory was 122.4MB in the beginning and 322.3MB in the end (delta: -199.8MB). Peak memory consumption was 494.7MB. Max. memory is 16.1GB. * CodeCheck took 789781.73ms. Allocated memory was 784.3MB in the beginning and 1.9GB in the end (delta: 1.1GB). Free memory was 322.3MB in the beginning and 1.4GB in the end (delta: -1.1GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 101.25ms. Allocated memory is still 1.9GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 02:05:12,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4484c79-c948-49a8-8cee-1229ee28c5b5/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