./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI --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 3f8ee4f5181b3404c1367dbf131683f1e761cea6b176154f687b628466c991fe .............................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:58:31,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:58:31,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:58:31,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:58:31,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:58:31,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:58:31,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:58:31,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:58:31,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:58:31,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:58:31,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:58:31,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:58:31,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:58:31,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:58:31,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:58:31,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:58:31,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:58:31,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:58:31,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:58:31,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:58:31,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:58:31,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:58:31,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:58:31,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:58:31,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:58:31,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:58:31,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:58:31,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:58:31,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:58:31,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:58:31,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:58:31,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:58:31,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:58:31,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:58:31,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:58:31,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:58:31,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:58:31,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:58:31,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:58:31,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:58:31,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:58:31,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:58:31,373 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:58:31,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:58:31,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:58:31,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:58:31,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:58:31,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:58:31,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:58:31,377 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:58:31,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:58:31,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:58:31,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:58:31,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:58:31,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:58:31,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:58:31,380 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:58:31,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:58:31,380 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:58:31,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:58:31,381 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:58:31,381 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:58:31,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:58:31,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:58:31,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:58:31,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:58:31,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:58:31,382 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:58:31,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:58:31,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:58:31,383 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_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f8ee4f5181b3404c1367dbf131683f1e761cea6b176154f687b628466c991fe [2021-10-29 02:58:31,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:58:31,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:58:31,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:58:31,679 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:58:31,680 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:58:31,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2021-10-29 02:58:31,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI/data/11f8d289c/076001144a7e475f819ef393510d29e2/FLAGe51791efb [2021-10-29 02:58:32,183 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:58:32,184 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2021-10-29 02:58:32,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI/data/11f8d289c/076001144a7e475f819ef393510d29e2/FLAGe51791efb [2021-10-29 02:58:32,603 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI/data/11f8d289c/076001144a7e475f819ef393510d29e2 [2021-10-29 02:58:32,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:58:32,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:58:32,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:58:32,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:58:32,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:58:32,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:58:32" (1/1) ... [2021-10-29 02:58:32,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da8e323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:32, skipping insertion in model container [2021-10-29 02:58:32,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:58:32" (1/1) ... [2021-10-29 02:58:32,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:58:32,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:58:32,775 WARN L228 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_e5e0731b-6c5c-429f-bbc6-790882c4ed40/sv-benchmarks/c/recursive-simple/id_i10_o10-2.c[454,467] [2021-10-29 02:58:32,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:58:32,818 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:58:32,831 WARN L228 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_e5e0731b-6c5c-429f-bbc6-790882c4ed40/sv-benchmarks/c/recursive-simple/id_i10_o10-2.c[454,467] [2021-10-29 02:58:32,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:58:32,844 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:58:32,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:32 WrapperNode [2021-10-29 02:58:32,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:58:32,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:58:32,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:58:32,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:58:32,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:32" (1/1) ... [2021-10-29 02:58:32,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:32" (1/1) ... [2021-10-29 02:58:32,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:58:32,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:58:32,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:58:32,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:58:32,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:32" (1/1) ... [2021-10-29 02:58:32,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:32" (1/1) ... [2021-10-29 02:58:32,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:32" (1/1) ... [2021-10-29 02:58:32,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:32" (1/1) ... [2021-10-29 02:58:32,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:32" (1/1) ... [2021-10-29 02:58:32,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:32" (1/1) ... [2021-10-29 02:58:32,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:32" (1/1) ... [2021-10-29 02:58:32,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:58:32,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:58:32,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:58:32,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:58:32,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:58:32" (1/1) ... [2021-10-29 02:58:32,905 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:58:32,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:58:32,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:58:32,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:58:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:58:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:58:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:58:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-10-29 02:58:32,992 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-10-29 02:58:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:58:33,255 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:58:33,255 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-29 02:58:33,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:58:33 BoogieIcfgContainer [2021-10-29 02:58:33,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:58:33,259 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:58:33,259 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:58:33,270 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:58:33,270 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:58:33" (1/1) ... [2021-10-29 02:58:33,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:58:33,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:33,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-10-29 02:58:33,316 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-10-29 02:58:33,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 02:58:33,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:33,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:33,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:58:33,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:33,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2021-10-29 02:58:33,594 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-10-29 02:58:33,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 02:58:33,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:33,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:33,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:58:33,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:33,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2021-10-29 02:58:33,821 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-10-29 02:58:33,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 02:58:33,822 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:33,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:33,897 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 02:58:34,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:34,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2021-10-29 02:58:34,024 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2021-10-29 02:58:34,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 02:58:34,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:34,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:34,170 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 02:58:34,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:34,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 36 transitions. [2021-10-29 02:58:34,298 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2021-10-29 02:58:34,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 02:58:34,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:34,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-29 02:58:34,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:34,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 44 transitions. [2021-10-29 02:58:34,594 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2021-10-29 02:58:34,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 02:58:34,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:34,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 02:58:34,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:34,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 31 states and 53 transitions. [2021-10-29 02:58:34,913 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2021-10-29 02:58:34,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 02:58:34,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:34,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:35,017 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-10-29 02:58:35,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:35,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 34 states and 63 transitions. [2021-10-29 02:58:35,147 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2021-10-29 02:58:35,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-29 02:58:35,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:35,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:35,296 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-10-29 02:58:35,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:35,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 37 states and 74 transitions. [2021-10-29 02:58:35,446 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2021-10-29 02:58:35,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-29 02:58:35,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:35,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:35,541 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-10-29 02:58:35,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:35,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 40 states and 86 transitions. [2021-10-29 02:58:35,686 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2021-10-29 02:58:35,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 02:58:35,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:35,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-10-29 02:58:35,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:35,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 43 states and 99 transitions. [2021-10-29 02:58:35,952 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 99 transitions. [2021-10-29 02:58:35,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-10-29 02:58:35,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:35,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:36,972 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-10-29 02:58:42,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:42,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 77 states and 244 transitions. [2021-10-29 02:58:42,614 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 244 transitions. [2021-10-29 02:58:42,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-29 02:58:42,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:58:42,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:58:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:58:43,166 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2021-10-29 02:58:45,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:58:45,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 44 states and 46 transitions. [2021-10-29 02:58:45,375 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2021-10-29 02:58:45,376 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 02:58:45,376 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2021-10-29 02:58:45,382 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 02:58:45,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 02:58:45 ImpRootNode [2021-10-29 02:58:45,608 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 02:58:45,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:58:45,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:58:45,609 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:58:45,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:58:33" (3/4) ... [2021-10-29 02:58:45,613 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 02:58:45,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-10-29 02:58:45,623 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-29 02:58:45,623 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 02:58:45,624 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:58:45,624 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:58:45,669 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 02:58:45,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:58:45,671 INFO L168 Benchmark]: Toolchain (without parser) took 13062.60 ms. Allocated memory was 90.2 MB in the beginning and 163.6 MB in the end (delta: 73.4 MB). Free memory was 53.9 MB in the beginning and 134.8 MB in the end (delta: -80.9 MB). Peak memory consumption was 82.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:58:45,673 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:58:45,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.86 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 53.6 MB in the beginning and 90.7 MB in the end (delta: -37.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:58:45,679 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.45 ms. Allocated memory is still 113.2 MB. Free memory was 90.7 MB in the beginning and 89.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:58:45,680 INFO L168 Benchmark]: Boogie Preprocessor took 17.71 ms. Allocated memory is still 113.2 MB. Free memory was 89.3 MB in the beginning and 88.4 MB in the end (delta: 939.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:58:45,680 INFO L168 Benchmark]: RCFGBuilder took 361.69 ms. Allocated memory is still 113.2 MB. Free memory was 88.4 MB in the beginning and 79.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:58:45,681 INFO L168 Benchmark]: CodeCheck took 12349.59 ms. Allocated memory was 113.2 MB in the beginning and 163.6 MB in the end (delta: 50.3 MB). Free memory was 79.0 MB in the beginning and 47.3 MB in the end (delta: 31.7 MB). Peak memory consumption was 84.8 MB. Max. memory is 16.1 GB. [2021-10-29 02:58:45,681 INFO L168 Benchmark]: Witness Printer took 60.15 ms. Allocated memory is still 163.6 MB. Free memory was 47.3 MB in the beginning and 134.8 MB in the end (delta: -87.5 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:58:45,685 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 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 28680 SDtfs, 26692 SDslu, 43136 SDs, 0 SdLazy, 125832 SolverSat, 25648 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6846 GetRequests, 6374 SyntacticMatches, 272 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15264 ImplicationChecksByTransitivity, 8.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 504 NumberOfCodeBlocks, 504 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 1332 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 979/1584 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: 15]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 232.86 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 53.6 MB in the beginning and 90.7 MB in the end (delta: -37.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.45 ms. Allocated memory is still 113.2 MB. Free memory was 90.7 MB in the beginning and 89.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.71 ms. Allocated memory is still 113.2 MB. Free memory was 89.3 MB in the beginning and 88.4 MB in the end (delta: 939.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 361.69 ms. Allocated memory is still 113.2 MB. Free memory was 88.4 MB in the beginning and 79.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 12349.59 ms. Allocated memory was 113.2 MB in the beginning and 163.6 MB in the end (delta: 50.3 MB). Free memory was 79.0 MB in the beginning and 47.3 MB in the end (delta: 31.7 MB). Peak memory consumption was 84.8 MB. Max. memory is 16.1 GB. * Witness Printer took 60.15 ms. Allocated memory is still 163.6 MB. Free memory was 47.3 MB in the beginning and 134.8 MB in the end (delta: -87.5 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 02:58:45,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0731b-6c5c-429f-bbc6-790882c4ed40/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...