./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound1.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_bebc95d9-34ff-4e1f-813e-eef67e142294/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebc95d9-34ff-4e1f-813e-eef67e142294/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_bebc95d9-34ff-4e1f-813e-eef67e142294/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebc95d9-34ff-4e1f-813e-eef67e142294/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebc95d9-34ff-4e1f-813e-eef67e142294/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_bebc95d9-34ff-4e1f-813e-eef67e142294/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 92e6df76ce1206795a3a206ec7de3a20b30db31ab661efba7e1901708b9ce34a .................................................................................................................................................................................................................................................................................................................... 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 04:12:33,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:12:33,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:12:33,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:12:33,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:12:33,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:12:33,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:12:33,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:12:33,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:12:33,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:12:33,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:12:33,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:12:33,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:12:33,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:12:33,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:12:33,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:12:33,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:12:33,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:12:33,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:12:34,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:12:34,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:12:34,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:12:34,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:12:34,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:12:34,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:12:34,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:12:34,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:12:34,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:12:34,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:12:34,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:12:34,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:12:34,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:12:34,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:12:34,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:12:34,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:12:34,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:12:34,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:12:34,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:12:34,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:12:34,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:12:34,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:12:34,038 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebc95d9-34ff-4e1f-813e-eef67e142294/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:12:34,085 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:12:34,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:12:34,087 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:12:34,087 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:12:34,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:12:34,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:12:34,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:12:34,089 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:12:34,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:12:34,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:12:34,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:12:34,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:12:34,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:12:34,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:12:34,098 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:12:34,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:12:34,098 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:12:34,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:12:34,098 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:12:34,098 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:12:34,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:12:34,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:12:34,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:12:34,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:12:34,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:12:34,100 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:12:34,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:12:34,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:12:34,100 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_bebc95d9-34ff-4e1f-813e-eef67e142294/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebc95d9-34ff-4e1f-813e-eef67e142294/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92e6df76ce1206795a3a206ec7de3a20b30db31ab661efba7e1901708b9ce34a [2021-10-29 04:12:34,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:12:34,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:12:34,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:12:34,490 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:12:34,491 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:12:34,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebc95d9-34ff-4e1f-813e-eef67e142294/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound1.c [2021-10-29 04:12:34,566 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebc95d9-34ff-4e1f-813e-eef67e142294/bin/ukojak-Rh5K9KB4LI/data/1b3c93161/bb2d6c22fc494187acc96f0723c06ec2/FLAGcc7f251c5 [2021-10-29 04:12:35,132 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:12:35,133 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebc95d9-34ff-4e1f-813e-eef67e142294/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound1.c [2021-10-29 04:12:35,147 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebc95d9-34ff-4e1f-813e-eef67e142294/bin/ukojak-Rh5K9KB4LI/data/1b3c93161/bb2d6c22fc494187acc96f0723c06ec2/FLAGcc7f251c5 [2021-10-29 04:12:35,478 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebc95d9-34ff-4e1f-813e-eef67e142294/bin/ukojak-Rh5K9KB4LI/data/1b3c93161/bb2d6c22fc494187acc96f0723c06ec2 [2021-10-29 04:12:35,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:12:35,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:12:35,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:12:35,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:12:35,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:12:35,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:12:35" (1/1) ... [2021-10-29 04:12:35,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56a48ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:35, skipping insertion in model container [2021-10-29 04:12:35,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:12:35" (1/1) ... [2021-10-29 04:12:35,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:12:35,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:12:35,723 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_bebc95d9-34ff-4e1f-813e-eef67e142294/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound1.c[535,548] [2021-10-29 04:12:35,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:12:35,756 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:12:35,771 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_bebc95d9-34ff-4e1f-813e-eef67e142294/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound1.c[535,548] [2021-10-29 04:12:35,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:12:35,797 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:12:35,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:35 WrapperNode [2021-10-29 04:12:35,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:12:35,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:12:35,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:12:35,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:12:35,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:35" (1/1) ... [2021-10-29 04:12:35,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:35" (1/1) ... [2021-10-29 04:12:35,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:12:35,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:12:35,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:12:35,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:12:35,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:35" (1/1) ... [2021-10-29 04:12:35,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:35" (1/1) ... [2021-10-29 04:12:35,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:35" (1/1) ... [2021-10-29 04:12:35,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:35" (1/1) ... [2021-10-29 04:12:35,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:35" (1/1) ... [2021-10-29 04:12:35,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:35" (1/1) ... [2021-10-29 04:12:35,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:35" (1/1) ... [2021-10-29 04:12:35,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:12:35,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:12:35,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:12:35,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:12:35,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:35" (1/1) ... [2021-10-29 04:12:35,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:12:35,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebc95d9-34ff-4e1f-813e-eef67e142294/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:12:35,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebc95d9-34ff-4e1f-813e-eef67e142294/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:12:35,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebc95d9-34ff-4e1f-813e-eef67e142294/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:12:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 04:12:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 04:12:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:12:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:12:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:12:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:12:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 04:12:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 04:12:36,365 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:12:36,365 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 04:12:36,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:12:36 BoogieIcfgContainer [2021-10-29 04:12:36,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:12:36,369 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:12:36,369 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:12:36,381 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:12:36,381 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:12:36" (1/1) ... [2021-10-29 04:12:36,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:12:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:12:36,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2021-10-29 04:12:36,429 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2021-10-29 04:12:36,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:12:36,434 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:12:36,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:12:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:12:36,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 04:12:36,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:12:37,371 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 04:13:12,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:12,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 46 transitions. [2021-10-29 04:13:12,927 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2021-10-29 04:13:12,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:13:12,929 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:12,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:12,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-29 04:13:12,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:13:13,232 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 04:13:13,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:13,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 54 transitions. [2021-10-29 04:13:13,622 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-10-29 04:13:13,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:13:13,623 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:13,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:13,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:13:13,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:13:13,817 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 04:13:13,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:13,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 55 transitions. [2021-10-29 04:13:13,889 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2021-10-29 04:13:13,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 04:13:13,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:13,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:13,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:13:13,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:13:14,081 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 04:13:14,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:14,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 58 transitions. [2021-10-29 04:13:14,130 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2021-10-29 04:13:14,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 04:13:14,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:14,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:14,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 04:13:14,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:13:14,405 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 04:13:14,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:14,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 68 transitions. [2021-10-29 04:13:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2021-10-29 04:13:14,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 04:13:14,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:14,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:14,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-29 04:13:14,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:13:15,503 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-29 04:13:15,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:15,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 74 transitions. [2021-10-29 04:13:15,677 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2021-10-29 04:13:15,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 04:13:15,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:15,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:15,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:13:15,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:13:15,874 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-10-29 04:13:16,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:16,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 76 transitions. [2021-10-29 04:13:16,230 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-29 04:13:16,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 04:13:16,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:16,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:16,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 04:13:16,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:13:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 04:13:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:18,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 57 states and 85 transitions. [2021-10-29 04:13:18,797 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2021-10-29 04:13:18,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-29 04:13:18,799 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:18,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:18,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-29 04:13:18,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:13:19,403 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 38 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-29 04:13:19,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:19,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 19 states and 22 transitions. [2021-10-29 04:13:19,919 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-10-29 04:13:19,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:13:19,920 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2021-10-29 04:13:19,926 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:13:20,084 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:13:20,088 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:13:20,088 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:13:20,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:13:20 ImpRootNode [2021-10-29 04:13:20,089 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:13:20,089 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:13:20,090 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:13:20,090 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:13:20,090 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:12:36" (3/4) ... [2021-10-29 04:13:20,093 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:13:20,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-10-29 04:13:20,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 04:13:20,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-10-29 04:13:20,104 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 04:13:20,104 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:13:20,104 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:13:20,148 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebc95d9-34ff-4e1f-813e-eef67e142294/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:13:20,149 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:13:20,150 INFO L168 Benchmark]: Toolchain (without parser) took 44667.73 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 90.8 MB in the beginning and 83.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:13:20,151 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 127.9 MB. Free memory is still 106.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:13:20,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.00 ms. Allocated memory is still 127.9 MB. Free memory was 90.5 MB in the beginning and 102.4 MB in the end (delta: -11.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:13:20,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.75 ms. Allocated memory is still 127.9 MB. Free memory was 102.4 MB in the beginning and 100.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:13:20,153 INFO L168 Benchmark]: Boogie Preprocessor took 40.67 ms. Allocated memory is still 127.9 MB. Free memory was 100.8 MB in the beginning and 99.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:13:20,154 INFO L168 Benchmark]: RCFGBuilder took 479.14 ms. Allocated memory is still 127.9 MB. Free memory was 99.5 MB in the beginning and 87.4 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:13:20,154 INFO L168 Benchmark]: CodeCheck took 43719.95 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 87.4 MB in the beginning and 86.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:13:20,155 INFO L168 Benchmark]: Witness Printer took 59.38 ms. Allocated memory is still 155.2 MB. Free memory was 86.3 MB in the beginning and 83.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:13:20,159 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, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.5s, 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: 6528 SDtfs, 2906 SDslu, 2288 SDs, 0 SdLazy, 25168 SolverSat, 8630 SolverUnsat, 256 SolverUnknown, 0 SolverNotchecked, 320.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2833 GetRequests, 2712 SyntacticMatches, 53 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2095 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 340 NumberOfCodeBlocks, 340 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 1256 SizeOfPredicates, 24 NumberOfNonLiveVariables, 1046 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 271/295 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: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 127.9 MB. Free memory is still 106.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 315.00 ms. Allocated memory is still 127.9 MB. Free memory was 90.5 MB in the beginning and 102.4 MB in the end (delta: -11.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.75 ms. Allocated memory is still 127.9 MB. Free memory was 102.4 MB in the beginning and 100.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.67 ms. Allocated memory is still 127.9 MB. Free memory was 100.8 MB in the beginning and 99.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 479.14 ms. Allocated memory is still 127.9 MB. Free memory was 99.5 MB in the beginning and 87.4 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 43719.95 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 87.4 MB in the beginning and 86.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. * Witness Printer took 59.38 ms. Allocated memory is still 155.2 MB. Free memory was 86.3 MB in the beginning and 83.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:13:20,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebc95d9-34ff-4e1f-813e-eef67e142294/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...