./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.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_8b27e889-f255-4003-b05e-2e235d36ece4/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b27e889-f255-4003-b05e-2e235d36ece4/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_8b27e889-f255-4003-b05e-2e235d36ece4/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b27e889-f255-4003-b05e-2e235d36ece4/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b27e889-f255-4003-b05e-2e235d36ece4/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_8b27e889-f255-4003-b05e-2e235d36ece4/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 deafb53b6c5560bead535ea0c1ac7bb85be5c959b9a13b21177e05987440264a ................................................................................................................................................................................................................................................................................................................. 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 03:20:32,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:20:32,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:20:32,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:20:32,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:20:32,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:20:32,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:20:32,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:20:32,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:20:32,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:20:32,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:20:32,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:20:32,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:20:32,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:20:32,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:20:32,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:20:32,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:20:32,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:20:32,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:20:32,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:20:32,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:20:32,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:20:32,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:20:32,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:20:32,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:20:32,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:20:32,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:20:32,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:20:32,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:20:32,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:20:32,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:20:32,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:20:32,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:20:32,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:20:32,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:20:32,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:20:32,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:20:32,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:20:32,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:20:32,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:20:32,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:20:32,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b27e889-f255-4003-b05e-2e235d36ece4/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:20:32,378 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:20:32,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:20:32,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:20:32,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:20:32,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:20:32,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:20:32,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:20:32,381 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:20:32,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:20:32,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:20:32,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:20:32,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:20:32,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:20:32,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:20:32,383 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:20:32,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:20:32,383 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:20:32,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:20:32,384 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:20:32,384 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:20:32,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:20:32,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:20:32,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:20:32,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:20:32,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:20:32,385 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:20:32,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:20:32,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:20:32,386 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_8b27e889-f255-4003-b05e-2e235d36ece4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b27e889-f255-4003-b05e-2e235d36ece4/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deafb53b6c5560bead535ea0c1ac7bb85be5c959b9a13b21177e05987440264a [2021-10-29 03:20:32,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:20:32,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:20:32,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:20:32,728 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:20:32,729 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:20:32,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b27e889-f255-4003-b05e-2e235d36ece4/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2021-10-29 03:20:32,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b27e889-f255-4003-b05e-2e235d36ece4/bin/ukojak-Rh5K9KB4LI/data/806cf7ff7/f3ec2e275ff54bc7913b00c5155f1481/FLAGd5558b5e0 [2021-10-29 03:20:33,374 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:20:33,375 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b27e889-f255-4003-b05e-2e235d36ece4/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2021-10-29 03:20:33,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b27e889-f255-4003-b05e-2e235d36ece4/bin/ukojak-Rh5K9KB4LI/data/806cf7ff7/f3ec2e275ff54bc7913b00c5155f1481/FLAGd5558b5e0 [2021-10-29 03:20:33,757 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b27e889-f255-4003-b05e-2e235d36ece4/bin/ukojak-Rh5K9KB4LI/data/806cf7ff7/f3ec2e275ff54bc7913b00c5155f1481 [2021-10-29 03:20:33,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:20:33,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:20:33,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:20:33,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:20:33,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:20:33,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:20:33" (1/1) ... [2021-10-29 03:20:33,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ece4e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:33, skipping insertion in model container [2021-10-29 03:20:33,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:20:33" (1/1) ... [2021-10-29 03:20:33,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:20:33,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:20:34,006 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_8b27e889-f255-4003-b05e-2e235d36ece4/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c[524,537] [2021-10-29 03:20:34,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:20:34,043 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:20:34,059 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_8b27e889-f255-4003-b05e-2e235d36ece4/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c[524,537] [2021-10-29 03:20:34,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:20:34,088 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:20:34,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:34 WrapperNode [2021-10-29 03:20:34,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:20:34,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:20:34,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:20:34,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:20:34,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:34" (1/1) ... [2021-10-29 03:20:34,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:34" (1/1) ... [2021-10-29 03:20:34,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:20:34,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:20:34,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:20:34,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:20:34,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:34" (1/1) ... [2021-10-29 03:20:34,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:34" (1/1) ... [2021-10-29 03:20:34,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:34" (1/1) ... [2021-10-29 03:20:34,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:34" (1/1) ... [2021-10-29 03:20:34,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:34" (1/1) ... [2021-10-29 03:20:34,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:34" (1/1) ... [2021-10-29 03:20:34,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:34" (1/1) ... [2021-10-29 03:20:34,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:20:34,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:20:34,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:20:34,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:20:34,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:20:34" (1/1) ... [2021-10-29 03:20:34,218 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:20:34,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b27e889-f255-4003-b05e-2e235d36ece4/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:20:34,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b27e889-f255-4003-b05e-2e235d36ece4/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:20:34,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b27e889-f255-4003-b05e-2e235d36ece4/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:20:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 03:20:34,325 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 03:20:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:20:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:20:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:20:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:20:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:20:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:20:34,783 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:20:34,783 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:20:34,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:20:34 BoogieIcfgContainer [2021-10-29 03:20:34,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:20:34,788 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:20:34,788 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:20:34,801 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:20:34,802 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:20:34" (1/1) ... [2021-10-29 03:20:34,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:20:34,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:20:34,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2021-10-29 03:20:34,910 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2021-10-29 03:20:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:20:34,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:20:34,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:20:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:20:35,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:20:35,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:20:35,484 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:20:35,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:20:35,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2021-10-29 03:20:35,587 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2021-10-29 03:20:35,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:20:35,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:20:35,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:20:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:20:35,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-29 03:20:35,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:20:36,512 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:20:37,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:20:37,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions. [2021-10-29 03:20:37,641 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2021-10-29 03:20:37,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:20:37,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:20:37,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:20:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:20:37,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:20:37,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:20:39,237 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:20:54,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:20:54,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 60 transitions. [2021-10-29 03:20:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2021-10-29 03:20:54,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:20:54,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:20:54,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:20:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:20:54,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-29 03:20:54,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:20:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:20:55,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:20:55,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 67 transitions. [2021-10-29 03:20:55,885 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2021-10-29 03:20:55,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:20:55,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:20:55,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:20:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:20:55,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-29 03:20:55,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:20:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:21:00,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:21:00,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 40 states and 75 transitions. [2021-10-29 03:21:00,596 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2021-10-29 03:21:00,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:21:00,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:21:00,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:21:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:21:00,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 03:21:00,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:21:02,550 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:21:08,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:21:08,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 80 transitions. [2021-10-29 03:21:08,656 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2021-10-29 03:21:08,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:21:08,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:21:08,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:21:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:21:08,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:21:08,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:21:09,911 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-29 03:21:11,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:21:11,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 45 states and 89 transitions. [2021-10-29 03:21:11,066 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 89 transitions. [2021-10-29 03:21:11,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:21:11,068 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:21:11,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:21:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:21:11,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-29 03:21:11,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:21:13,194 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-29 03:21:26,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:21:26,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 35 states and 51 transitions. [2021-10-29 03:21:26,433 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2021-10-29 03:21:26,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 03:21:26,434 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:21:26,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:21:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:21:26,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:21:26,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:21:28,370 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-29 03:21:29,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:21:29,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 28 states and 39 transitions. [2021-10-29 03:21:29,161 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2021-10-29 03:21:29,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:21:29,163 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2021-10-29 03:21:29,170 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:21:29,978 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:21:29,981 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:21:29,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:21:29 ImpRootNode [2021-10-29 03:21:29,982 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:21:29,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:21:29,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:21:29,983 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:21:29,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:20:34" (3/4) ... [2021-10-29 03:21:29,987 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:21:29,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-10-29 03:21:29,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 03:21:30,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-10-29 03:21:30,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 03:21:30,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:21:30,004 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:21:30,052 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b27e889-f255-4003-b05e-2e235d36ece4/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:21:30,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:21:30,054 INFO L168 Benchmark]: Toolchain (without parser) took 56291.74 ms. Allocated memory was 94.4 MB in the beginning and 148.9 MB in the end (delta: 54.5 MB). Free memory was 61.3 MB in the beginning and 51.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 64.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:21:30,055 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 94.4 MB. Free memory is still 52.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:21:30,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.65 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 61.1 MB in the beginning and 98.8 MB in the end (delta: -37.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:21:30,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.95 ms. Allocated memory is still 123.7 MB. Free memory was 98.8 MB in the beginning and 97.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:21:30,057 INFO L168 Benchmark]: Boogie Preprocessor took 60.98 ms. Allocated memory is still 123.7 MB. Free memory was 97.0 MB in the beginning and 96.2 MB in the end (delta: 819.6 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:21:30,058 INFO L168 Benchmark]: RCFGBuilder took 580.90 ms. Allocated memory is still 123.7 MB. Free memory was 95.8 MB in the beginning and 80.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:21:30,058 INFO L168 Benchmark]: CodeCheck took 55194.19 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 80.3 MB in the beginning and 55.8 MB in the end (delta: 24.5 MB). Peak memory consumption was 53.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:21:30,059 INFO L168 Benchmark]: Witness Printer took 70.03 ms. Allocated memory is still 148.9 MB. Free memory was 54.7 MB in the beginning and 51.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:21:30,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 54.3s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 7168 SDtfs, 3848 SDslu, 3648 SDs, 0 SdLazy, 29920 SolverSat, 8456 SolverUnsat, 128 SolverUnknown, 0 SolverNotchecked, 140.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2400 GetRequests, 2217 SyntacticMatches, 83 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3875 ImplicationChecksByTransitivity, 15.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 267 NumberOfCodeBlocks, 267 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 3512 SizeOfPredicates, 48 NumberOfNonLiveVariables, 915 ConjunctsInSsa, 210 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 145/183 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: 14]: 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: 58]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 94.4 MB. Free memory is still 52.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 313.65 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 61.1 MB in the beginning and 98.8 MB in the end (delta: -37.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.95 ms. Allocated memory is still 123.7 MB. Free memory was 98.8 MB in the beginning and 97.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.98 ms. Allocated memory is still 123.7 MB. Free memory was 97.0 MB in the beginning and 96.2 MB in the end (delta: 819.6 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 580.90 ms. Allocated memory is still 123.7 MB. Free memory was 95.8 MB in the beginning and 80.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 55194.19 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 80.3 MB in the beginning and 55.8 MB in the end (delta: 24.5 MB). Peak memory consumption was 53.4 MB. Max. memory is 16.1 GB. * Witness Printer took 70.03 ms. Allocated memory is still 148.9 MB. Free memory was 54.7 MB in the beginning and 51.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:21:30,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b27e889-f255-4003-b05e-2e235d36ece4/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...