./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/gcd_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ --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 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:34:04,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:34:04,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:34:04,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:34:04,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:34:04,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:34:04,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:34:04,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:34:04,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:34:04,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:34:04,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:34:04,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:34:04,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:34:04,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:34:04,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:34:04,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:34:04,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:34:04,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:34:04,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:34:04,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:34:04,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:34:04,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:34:04,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:34:04,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:34:04,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:34:04,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:34:04,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:34:04,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:34:04,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:34:04,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:34:04,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:34:04,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:34:04,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:34:04,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:34:04,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:34:04,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:34:04,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:34:04,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:34:04,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:34:04,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:34:04,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:34:04,458 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:34:04,509 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:34:04,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:34:04,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:34:04,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:34:04,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:34:04,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:34:04,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:34:04,512 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:34:04,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:34:04,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:34:04,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:34:04,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:34:04,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:34:04,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:34:04,513 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:34:04,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:34:04,513 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:34:04,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:34:04,518 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:34:04,519 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:34:04,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:34:04,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:34:04,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:34:04,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:34:04,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:34:04,521 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:34:04,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:34:04,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:34:04,522 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_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef [2021-11-23 01:34:04,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:34:04,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:34:04,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:34:04,869 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:34:04,870 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:34:04,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/bitvector/gcd_4.c [2021-11-23 01:34:04,975 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ/data/5a4847108/5f0133c9d17a48428347a803385a277f/FLAGc76cbd9ac [2021-11-23 01:34:05,488 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:34:05,489 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/sv-benchmarks/c/bitvector/gcd_4.c [2021-11-23 01:34:05,503 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ/data/5a4847108/5f0133c9d17a48428347a803385a277f/FLAGc76cbd9ac [2021-11-23 01:34:05,854 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ/data/5a4847108/5f0133c9d17a48428347a803385a277f [2021-11-23 01:34:05,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:34:05,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:34:05,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:34:05,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:34:05,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:34:05,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:05" (1/1) ... [2021-11-23 01:34:05,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2172801d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:05, skipping insertion in model container [2021-11-23 01:34:05,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:05" (1/1) ... [2021-11-23 01:34:05,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:34:05,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:34:06,075 WARN L230 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_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/sv-benchmarks/c/bitvector/gcd_4.c[662,675] [2021-11-23 01:34:06,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:34:06,098 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:34:06,110 WARN L230 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_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/sv-benchmarks/c/bitvector/gcd_4.c[662,675] [2021-11-23 01:34:06,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:34:06,129 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:34:06,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:06 WrapperNode [2021-11-23 01:34:06,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:34:06,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:34:06,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:34:06,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:34:06,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:06" (1/1) ... [2021-11-23 01:34:06,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:06" (1/1) ... [2021-11-23 01:34:06,167 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2021-11-23 01:34:06,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:34:06,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:34:06,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:34:06,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:34:06,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:06" (1/1) ... [2021-11-23 01:34:06,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:06" (1/1) ... [2021-11-23 01:34:06,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:06" (1/1) ... [2021-11-23 01:34:06,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:06" (1/1) ... [2021-11-23 01:34:06,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:06" (1/1) ... [2021-11-23 01:34:06,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:06" (1/1) ... [2021-11-23 01:34:06,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:06" (1/1) ... [2021-11-23 01:34:06,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:34:06,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:34:06,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:34:06,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:34:06,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:06" (1/1) ... [2021-11-23 01:34:06,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:34:06,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:34:06,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:34:06,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:34:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:34:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:34:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:34:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:34:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:34:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:34:06,354 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:34:06,356 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:34:06,461 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:34:06,501 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:34:06,501 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:34:06,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:34:06 BoogieIcfgContainer [2021-11-23 01:34:06,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:34:06,504 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:34:06,504 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:34:06,513 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:34:06,513 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:34:06" (1/1) ... [2021-11-23 01:34:06,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:34:06,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:06,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2021-11-23 01:34:06,588 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-11-23 01:34:06,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:34:06,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:06,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:06,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 01:34:06,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:06,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:06,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2021-11-23 01:34:06,923 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-11-23 01:34:06,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:34:06,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:06,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:06,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 01:34:06,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:07,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:07,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-11-23 01:34:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-11-23 01:34:07,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:34:07,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:07,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:07,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:34:07,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:07,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:07,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:07,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2021-11-23 01:34:07,469 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2021-11-23 01:34:07,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:34:07,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:07,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:07,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:34:07,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:07,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2021-11-23 01:34:07,792 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2021-11-23 01:34:07,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:34:07,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:07,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:07,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:34:07,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:07,975 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:08,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-11-23 01:34:08,121 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-11-23 01:34:08,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:34:08,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:08,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:08,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:34:08,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:08,327 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:08,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:08,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2021-11-23 01:34:08,737 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2021-11-23 01:34:08,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:34:08,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:08,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:08,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:34:08,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:10,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:10,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 25 transitions. [2021-11-23 01:34:10,048 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2021-11-23 01:34:10,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:34:10,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:10,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:10,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:34:10,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:10,652 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:12,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:12,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 24 transitions. [2021-11-23 01:34:12,537 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-11-23 01:34:12,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:34:12,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:12,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:12,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:34:12,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:12,905 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:34:13,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:13,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 19 transitions. [2021-11-23 01:34:13,157 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-11-23 01:34:13,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:34:13,158 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2021-11-23 01:34:13,167 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:34:13,240 INFO L560 CodeCheckObserver]: Invariant with dag size 45 [2021-11-23 01:34:13,252 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2021-11-23 01:34:13,253 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:34:13,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:34:13 ImpRootNode [2021-11-23 01:34:13,254 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:34:13,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:34:13,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:34:13,255 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:34:13,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:34:06" (3/4) ... [2021-11-23 01:34:13,258 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:34:13,264 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-23 01:34:13,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-11-23 01:34:13,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 01:34:13,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 01:34:13,269 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:34:13,293 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (y == 18 && \result + 54 == x) && 2 * x == 126 [2021-11-23 01:34:13,314 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:34:13,314 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:34:13,315 INFO L158 Benchmark]: Toolchain (without parser) took 7457.74ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 66.7MB in the beginning and 98.1MB in the end (delta: -31.3MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2021-11-23 01:34:13,315 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 71.9MB in the beginning and 71.9MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:34:13,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.99ms. Allocated memory is still 100.7MB. Free memory was 66.7MB in the beginning and 76.7MB in the end (delta: -10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:34:13,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.96ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 75.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:34:13,317 INFO L158 Benchmark]: Boogie Preprocessor took 37.03ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 74.5MB in the end (delta: 988.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:34:13,318 INFO L158 Benchmark]: RCFGBuilder took 297.37ms. Allocated memory is still 100.7MB. Free memory was 74.5MB in the beginning and 63.5MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:34:13,318 INFO L158 Benchmark]: CodeCheck took 6749.70ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 63.5MB in the beginning and 101.2MB in the end (delta: -37.7MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2021-11-23 01:34:13,319 INFO L158 Benchmark]: Witness Printer took 59.54ms. Allocated memory is still 146.8MB. Free memory was 101.2MB in the beginning and 98.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:34:13,322 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, 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: 0 mSolverCounterUnknown, 274 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 109 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 316 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 945 IncrementalHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 316 mSolverCounterUnsat, 109 mSDtfsCounter, 945 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1081 GetRequests, 923 SyntacticMatches, 22 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9200 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 480 SizeOfPredicates, 46 NumberOfNonLiveVariables, 553 ConjunctsInSsa, 139 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 10/75 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: 16]: 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: 29]: Loop Invariant Derived loop invariant: (((((((x == 63 && y == 18) && b == 18) && a + y == 63) || (((a + 2 * y == 63 && x == a + 36) && y == 18) && b == 18)) || (((a + 3 * y == 63 && 2 * x + b == 126) && y == 18) && 7 * y == b + 126)) || (((a + 54 == x && a + 3 * y == 63) && y == 18) && b == 18)) || (((a == x && a == 63) && y == 18) && b == 18)) || (((a + 54 == x && 72 == b + x) && a + 3 * y == 63) && y == 18) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (y == 18 && \result + 54 == x) && 2 * x == 126 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 71.9MB in the beginning and 71.9MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.99ms. Allocated memory is still 100.7MB. Free memory was 66.7MB in the beginning and 76.7MB in the end (delta: -10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.96ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 75.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.03ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 74.5MB in the end (delta: 988.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 297.37ms. Allocated memory is still 100.7MB. Free memory was 74.5MB in the beginning and 63.5MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 6749.70ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 63.5MB in the beginning and 101.2MB in the end (delta: -37.7MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Witness Printer took 59.54ms. Allocated memory is still 146.8MB. Free memory was 101.2MB in the beginning and 98.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:34:13,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cf0ead-3026-4cf9-b8c3-17dda0f42033/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE