./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 41d35d9d9785c70c81ceac96efa22b5a4097e6f4 .......................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:13:59,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:13:59,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:13:59,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:13:59,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:13:59,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:13:59,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:13:59,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:13:59,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:13:59,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:13:59,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:13:59,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:13:59,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:13:59,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:13:59,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:13:59,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:13:59,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:13:59,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:13:59,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:13:59,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:13:59,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:13:59,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:13:59,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:13:59,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:13:59,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:13:59,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:13:59,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:13:59,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:13:59,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:13:59,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:13:59,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:13:59,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:13:59,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:13:59,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:13:59,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:13:59,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:13:59,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:13:59,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:13:59,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:13:59,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:13:59,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:13:59,944 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 04:14:00,000 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:14:00,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:14:00,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:14:00,003 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:14:00,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:14:00,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:14:00,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:14:00,006 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:14:00,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:14:00,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:14:00,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:14:00,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:14:00,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:14:00,009 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:14:00,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:14:00,009 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:14:00,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:14:00,010 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:14:00,010 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:14:00,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:14:00,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:14:00,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:14:00,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:14:00,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:14:00,012 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:14:00,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:14:00,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:14:00,013 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_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41d35d9d9785c70c81ceac96efa22b5a4097e6f4 [2021-10-13 04:14:00,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:14:00,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:14:00,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:14:00,424 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:14:00,425 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:14:00,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2021-10-13 04:14:00,500 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY/data/e5461788d/4d7a013fd6e9401bb828f4471b7e24c3/FLAGa74459b68 [2021-10-13 04:14:01,035 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:14:01,036 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2021-10-13 04:14:01,046 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY/data/e5461788d/4d7a013fd6e9401bb828f4471b7e24c3/FLAGa74459b68 [2021-10-13 04:14:01,426 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY/data/e5461788d/4d7a013fd6e9401bb828f4471b7e24c3 [2021-10-13 04:14:01,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:14:01,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:14:01,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:14:01,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:14:01,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:14:01,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:14:01" (1/1) ... [2021-10-13 04:14:01,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c5427e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:14:01, skipping insertion in model container [2021-10-13 04:14:01,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:14:01" (1/1) ... [2021-10-13 04:14:01,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:14:01,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:14:01,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:14:01,643 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:14:01,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:14:01,686 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:14:01,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:14:01 WrapperNode [2021-10-13 04:14:01,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:14:01,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:14:01,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:14:01,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:14:01,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:14:01" (1/1) ... [2021-10-13 04:14:01,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:14:01" (1/1) ... [2021-10-13 04:14:01,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:14:01,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:14:01,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:14:01,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:14:01,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:14:01" (1/1) ... [2021-10-13 04:14:01,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:14:01" (1/1) ... [2021-10-13 04:14:01,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:14:01" (1/1) ... [2021-10-13 04:14:01,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:14:01" (1/1) ... [2021-10-13 04:14:01,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:14:01" (1/1) ... [2021-10-13 04:14:01,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:14:01" (1/1) ... [2021-10-13 04:14:01,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:14:01" (1/1) ... [2021-10-13 04:14:01,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:14:01,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:14:01,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:14:01,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:14:01,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:14:01" (1/1) ... [2021-10-13 04:14:01,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:14:01,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:14:01,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:14:01,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:14:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:14:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:14:02,027 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:14:02,027 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 04:14:02,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:14:02 BoogieIcfgContainer [2021-10-13 04:14:02,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:14:02,031 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:14:02,031 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:14:02,044 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:14:02,044 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:14:02" (1/1) ... [2021-10-13 04:14:02,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:14:02,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:14:02,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2021-10-13 04:14:02,101 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-10-13 04:14:02,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:14:02,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:14:02,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:14:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:14:02,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:14:02,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:14:02,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2021-10-13 04:14:02,328 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2021-10-13 04:14:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:14:02,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:14:02,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:14:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:14:02,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:14:02,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:14:02,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2021-10-13 04:14:02,545 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2021-10-13 04:14:02,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:14:02,550 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:14:02,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:14:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:14:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:14:02,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:14:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2021-10-13 04:14:02,871 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2021-10-13 04:14:02,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:14:02,872 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:14:02,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:14:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:14:02,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:14:03,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:14:03,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2021-10-13 04:14:03,080 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2021-10-13 04:14:03,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 04:14:03,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:14:03,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:14:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:14:03,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:14:03,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:14:03,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2021-10-13 04:14:03,458 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2021-10-13 04:14:03,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 04:14:03,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:14:03,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:14:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:14:03,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:14:03,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:14:03,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2021-10-13 04:14:03,895 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2021-10-13 04:14:03,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 04:14:03,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:14:03,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:14:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:14:03,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:14:04,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:14:04,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 68 transitions. [2021-10-13 04:14:04,068 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2021-10-13 04:14:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 04:14:04,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:14:04,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:14:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:14:04,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:14:04,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:14:04,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2021-10-13 04:14:04,462 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2021-10-13 04:14:04,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 04:14:04,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:14:04,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:14:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:14:04,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:14:04,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:14:04,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2021-10-13 04:14:04,745 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2021-10-13 04:14:04,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 04:14:04,746 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:14:04,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:14:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:14:04,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:14:04,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:14:04,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2021-10-13 04:14:04,965 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2021-10-13 04:14:04,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 04:14:04,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:14:04,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:14:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:14:05,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:14:05,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:14:05,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2021-10-13 04:14:05,192 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2021-10-13 04:14:05,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 04:14:05,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:14:05,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:14:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:14:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:14:05,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:14:05,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 76 transitions. [2021-10-13 04:14:05,342 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2021-10-13 04:14:05,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 04:14:05,342 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:14:05,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:14:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:14:05,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 04:14:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:14:05,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2021-10-13 04:14:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-10-13 04:14:05,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 04:14:05,605 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2021-10-13 04:14:05,615 INFO L759 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2021-10-13 04:14:05,683 INFO L565 CodeCheckObserver]: Invariant with dag size 8 [2021-10-13 04:14:05,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:14:05 ImpRootNode [2021-10-13 04:14:05,696 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:14:05,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:14:05,696 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:14:05,697 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:14:05,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:14:02" (3/4) ... [2021-10-13 04:14:05,701 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 04:14:05,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-13 04:14:05,713 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-13 04:14:05,713 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 04:14:05,766 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:14:05,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:14:05,769 INFO L168 Benchmark]: Toolchain (without parser) took 4336.64 ms. Allocated memory was 86.0 MB in the beginning and 138.4 MB in the end (delta: 52.4 MB). Free memory was 50.6 MB in the beginning and 68.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. [2021-10-13 04:14:05,770 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory was 66.4 MB in the beginning and 66.4 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:14:05,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.91 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 50.3 MB in the beginning and 92.5 MB in the end (delta: -42.2 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2021-10-13 04:14:05,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.22 ms. Allocated memory is still 115.3 MB. Free memory was 92.5 MB in the beginning and 91.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:14:05,772 INFO L168 Benchmark]: Boogie Preprocessor took 20.21 ms. Allocated memory is still 115.3 MB. Free memory was 91.4 MB in the beginning and 90.4 MB in the end (delta: 971.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:14:05,773 INFO L168 Benchmark]: RCFGBuilder took 282.33 ms. Allocated memory is still 115.3 MB. Free memory was 90.4 MB in the beginning and 80.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:14:05,774 INFO L168 Benchmark]: CodeCheck took 3664.47 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 80.9 MB in the beginning and 71.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:14:05,774 INFO L168 Benchmark]: Witness Printer took 70.29 ms. Allocated memory is still 138.4 MB. Free memory was 71.8 MB in the beginning and 68.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:14:05,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3537.7ms, OverallIterations: 14, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 45056 SDtfs, 64664 SDslu, 103464 SDs, 0 SdLazy, 174888 SolverSat, 33000 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2311.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1059 GetRequests, 926 SyntacticMatches, 35 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4618 ImplicationChecksByTransitivity, 2421.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 19.9ms SsaConstructionTime, 155.8ms SatisfiabilityAnalysisTime, 464.2ms InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 221 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 20/20 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (z <= 2147483647 && y <= 2147483647) && x <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory was 66.4 MB in the beginning and 66.4 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 254.91 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 50.3 MB in the beginning and 92.5 MB in the end (delta: -42.2 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.22 ms. Allocated memory is still 115.3 MB. Free memory was 92.5 MB in the beginning and 91.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.21 ms. Allocated memory is still 115.3 MB. Free memory was 91.4 MB in the beginning and 90.4 MB in the end (delta: 971.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 282.33 ms. Allocated memory is still 115.3 MB. Free memory was 90.4 MB in the beginning and 80.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 3664.47 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 80.9 MB in the beginning and 71.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. * Witness Printer took 70.29 ms. Allocated memory is still 138.4 MB. Free memory was 71.8 MB in the beginning and 68.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 04:14:05,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1341471-5395-4f6e-9aba-76492dd50552/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...