./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.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_b68f3863-3c2e-4e32-b0c8-793b014761a2/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68f3863-3c2e-4e32-b0c8-793b014761a2/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_b68f3863-3c2e-4e32-b0c8-793b014761a2/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68f3863-3c2e-4e32-b0c8-793b014761a2/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68f3863-3c2e-4e32-b0c8-793b014761a2/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_b68f3863-3c2e-4e32-b0c8-793b014761a2/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 68a1d90e377c3311d76daf952c7a82207c21975afd6ee262fe642de3486ccf46 .................................................................................................................................................................................................................................................................................................................... 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 03:56:39,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:56:39,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:56:39,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:56:39,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:56:39,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:56:39,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:56:40,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:56:40,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:56:40,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:56:40,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:56:40,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:56:40,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:56:40,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:56:40,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:56:40,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:56:40,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:56:40,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:56:40,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:56:40,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:56:40,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:56:40,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:56:40,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:56:40,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:56:40,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:56:40,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:56:40,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:56:40,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:56:40,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:56:40,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:56:40,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:56:40,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:56:40,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:56:40,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:56:40,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:56:40,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:56:40,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:56:40,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:56:40,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:56:40,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:56:40,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:56:40,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68f3863-3c2e-4e32-b0c8-793b014761a2/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:56:40,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:56:40,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:56:40,073 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:56:40,073 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:56:40,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:56:40,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:56:40,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:56:40,075 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:56:40,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:56:40,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:56:40,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:56:40,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:56:40,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:56:40,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:56:40,077 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:56:40,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:56:40,077 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:56:40,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:56:40,078 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:56:40,078 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:56:40,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:56:40,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:56:40,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:56:40,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:56:40,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:56:40,079 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:56:40,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:56:40,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:56:40,080 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_b68f3863-3c2e-4e32-b0c8-793b014761a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68f3863-3c2e-4e32-b0c8-793b014761a2/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68a1d90e377c3311d76daf952c7a82207c21975afd6ee262fe642de3486ccf46 [2021-10-29 03:56:40,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:56:40,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:56:40,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:56:40,463 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:56:40,464 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:56:40,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68f3863-3c2e-4e32-b0c8-793b014761a2/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.c [2021-10-29 03:56:40,545 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68f3863-3c2e-4e32-b0c8-793b014761a2/bin/ukojak-Rh5K9KB4LI/data/73d9c6222/91a49f255c414301ad3f32694e569fee/FLAG03dd537e8 [2021-10-29 03:56:41,022 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:56:41,022 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68f3863-3c2e-4e32-b0c8-793b014761a2/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.c [2021-10-29 03:56:41,035 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68f3863-3c2e-4e32-b0c8-793b014761a2/bin/ukojak-Rh5K9KB4LI/data/73d9c6222/91a49f255c414301ad3f32694e569fee/FLAG03dd537e8 [2021-10-29 03:56:41,399 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68f3863-3c2e-4e32-b0c8-793b014761a2/bin/ukojak-Rh5K9KB4LI/data/73d9c6222/91a49f255c414301ad3f32694e569fee [2021-10-29 03:56:41,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:56:41,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:56:41,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:56:41,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:56:41,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:56:41,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:56:41" (1/1) ... [2021-10-29 03:56:41,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247deb59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:41, skipping insertion in model container [2021-10-29 03:56:41,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:56:41" (1/1) ... [2021-10-29 03:56:41,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:56:41,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:56:41,696 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_b68f3863-3c2e-4e32-b0c8-793b014761a2/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.c[454,467] [2021-10-29 03:56:41,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:56:41,726 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:56:41,742 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_b68f3863-3c2e-4e32-b0c8-793b014761a2/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.c[454,467] [2021-10-29 03:56:41,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:56:41,760 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:56:41,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:41 WrapperNode [2021-10-29 03:56:41,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:56:41,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:56:41,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:56:41,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:56:41,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:41" (1/1) ... [2021-10-29 03:56:41,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:41" (1/1) ... [2021-10-29 03:56:41,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:56:41,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:56:41,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:56:41,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:56:41,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:41" (1/1) ... [2021-10-29 03:56:41,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:41" (1/1) ... [2021-10-29 03:56:41,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:41" (1/1) ... [2021-10-29 03:56:41,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:41" (1/1) ... [2021-10-29 03:56:41,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:41" (1/1) ... [2021-10-29 03:56:41,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:41" (1/1) ... [2021-10-29 03:56:41,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:41" (1/1) ... [2021-10-29 03:56:41,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:56:41,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:56:41,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:56:41,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:56:41,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:56:41" (1/1) ... [2021-10-29 03:56:41,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:56:41,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68f3863-3c2e-4e32-b0c8-793b014761a2/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:56:41,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68f3863-3c2e-4e32-b0c8-793b014761a2/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:56:41,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68f3863-3c2e-4e32-b0c8-793b014761a2/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:56:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:56:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:56:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:56:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:56:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:56:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:56:42,146 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:56:42,146 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:56:42,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:56:42 BoogieIcfgContainer [2021-10-29 03:56:42,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:56:42,150 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:56:42,150 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:56:42,161 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:56:42,161 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:56:42" (1/1) ... [2021-10-29 03:56:42,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:56:42,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:56:42,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-10-29 03:56:42,209 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-10-29 03:56:42,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:56:42,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:56:42,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:56:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:56:42,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:56:42,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:56:42,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-10-29 03:56:42,370 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-10-29 03:56:42,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:56:42,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:56:42,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:56:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:56:42,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:56:42,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:56:42,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2021-10-29 03:56:42,545 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-10-29 03:56:42,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:56:42,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:56:42,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:56:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:56:42,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:56:42,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:56:42,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:56:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:56:43,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-10-29 03:56:43,073 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-10-29 03:56:43,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:56:43,076 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:56:43,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:56:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:56:43,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:56:43,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:56:43,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:56:43,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:56:43,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-10-29 03:56:43,666 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-10-29 03:56:43,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:56:43,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:56:43,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:56:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:56:43,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:56:43,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:56:43,861 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:56:44,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:56:44,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2021-10-29 03:56:44,322 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2021-10-29 03:56:44,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:56:44,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:56:44,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:56:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:56:44,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:56:44,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:56:44,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:56:45,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:56:45,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 63 transitions. [2021-10-29 03:56:45,320 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2021-10-29 03:56:45,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:56:45,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:56:45,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:56:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:56:45,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:56:45,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:56:45,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:56:45,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:56:45,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2021-10-29 03:56:45,769 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2021-10-29 03:56:45,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:56:45,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:56:45,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:56:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:56:45,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:56:45,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:56:45,947 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:56:47,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:56:47,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 47 states and 81 transitions. [2021-10-29 03:56:47,117 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 81 transitions. [2021-10-29 03:56:47,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:56:47,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:56:47,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:56:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:56:47,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:56:47,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:56:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:56:47,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:56:47,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 85 transitions. [2021-10-29 03:56:47,921 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2021-10-29 03:56:47,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:56:47,922 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:56:47,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:56:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:56:47,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:56:47,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:56:48,081 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:56:48,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:56:48,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 26 states and 31 transitions. [2021-10-29 03:56:48,483 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-10-29 03:56:48,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:56:48,484 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2021-10-29 03:56:48,490 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:56:48,619 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:56:48,623 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:56:48,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:56:48 ImpRootNode [2021-10-29 03:56:48,624 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:56:48,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:56:48,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:56:48,625 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:56:48,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:56:42" (3/4) ... [2021-10-29 03:56:48,628 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:56:48,634 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 03:56:48,637 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 03:56:48,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 03:56:48,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:56:48,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:56:48,673 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68f3863-3c2e-4e32-b0c8-793b014761a2/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:56:48,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:56:48,675 INFO L168 Benchmark]: Toolchain (without parser) took 7269.06 ms. Allocated memory was 88.1 MB in the beginning and 151.0 MB in the end (delta: 62.9 MB). Free memory was 51.4 MB in the beginning and 114.2 MB in the end (delta: -62.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:56:48,676 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 88.1 MB. Free memory was 67.7 MB in the beginning and 67.7 MB in the end (delta: 41.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:56:48,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.84 ms. Allocated memory was 88.1 MB in the beginning and 125.8 MB in the end (delta: 37.7 MB). Free memory was 51.2 MB in the beginning and 101.3 MB in the end (delta: -50.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:56:48,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.92 ms. Allocated memory is still 125.8 MB. Free memory was 101.3 MB in the beginning and 100.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:56:48,678 INFO L168 Benchmark]: Boogie Preprocessor took 21.57 ms. Allocated memory is still 125.8 MB. Free memory was 100.0 MB in the beginning and 99.0 MB in the end (delta: 967.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:56:48,678 INFO L168 Benchmark]: RCFGBuilder took 329.76 ms. Allocated memory is still 125.8 MB. Free memory was 98.8 MB in the beginning and 88.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:56:48,679 INFO L168 Benchmark]: CodeCheck took 6474.08 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 88.7 MB in the beginning and 116.3 MB in the end (delta: -27.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:56:48,680 INFO L168 Benchmark]: Witness Printer took 49.49 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 114.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:56:48,683 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 7680 SDtfs, 880 SDslu, 1928 SDs, 0 SdLazy, 18324 SolverSat, 7400 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1417 GetRequests, 1227 SyntacticMatches, 52 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7611 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 137 ConstructedInterpolants, 0 QuantifiedInterpolants, 457 SizeOfPredicates, 11 NumberOfNonLiveVariables, 639 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 47/68 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: 12]: 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: 37]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 88.1 MB. Free memory was 67.7 MB in the beginning and 67.7 MB in the end (delta: 41.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 353.84 ms. Allocated memory was 88.1 MB in the beginning and 125.8 MB in the end (delta: 37.7 MB). Free memory was 51.2 MB in the beginning and 101.3 MB in the end (delta: -50.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.92 ms. Allocated memory is still 125.8 MB. Free memory was 101.3 MB in the beginning and 100.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.57 ms. Allocated memory is still 125.8 MB. Free memory was 100.0 MB in the beginning and 99.0 MB in the end (delta: 967.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 329.76 ms. Allocated memory is still 125.8 MB. Free memory was 98.8 MB in the beginning and 88.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 6474.08 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 88.7 MB in the beginning and 116.3 MB in the end (delta: -27.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 49.49 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 114.2 MB in the end (delta: 2.1 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 03:56:48,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68f3863-3c2e-4e32-b0c8-793b014761a2/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...