./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.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_4aa5692c-21d9-4c70-83e6-39082b3d3994/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa5692c-21d9-4c70-83e6-39082b3d3994/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_4aa5692c-21d9-4c70-83e6-39082b3d3994/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa5692c-21d9-4c70-83e6-39082b3d3994/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa5692c-21d9-4c70-83e6-39082b3d3994/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_4aa5692c-21d9-4c70-83e6-39082b3d3994/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 d205b4d392fcf6603d2c7a58c20f30b20ad63dac227f46def37edd46d8cc7990 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:29:02,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:29:02,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:29:02,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:29:02,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:29:02,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:29:02,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:29:02,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:29:02,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:29:02,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:29:02,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:29:02,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:29:02,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:29:02,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:29:02,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:29:02,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:29:02,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:29:02,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:29:02,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:29:02,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:29:02,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:29:02,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:29:02,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:29:02,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:29:02,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:29:02,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:29:02,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:29:02,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:29:02,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:29:02,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:29:02,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:29:02,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:29:02,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:29:02,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:29:02,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:29:02,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:29:02,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:29:02,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:29:02,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:29:02,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:29:02,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:29:02,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa5692c-21d9-4c70-83e6-39082b3d3994/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:29:02,904 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:29:02,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:29:02,906 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:29:02,906 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:29:02,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:29:02,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:29:02,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:29:02,907 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:29:02,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:29:02,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:29:02,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:29:02,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:29:02,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:29:02,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:29:02,909 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:29:02,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:29:02,909 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:29:02,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:29:02,910 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:29:02,910 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:29:02,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:29:02,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:29:02,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:29:02,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:29:02,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:29:02,911 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:29:02,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:29:02,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:29:02,912 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_4aa5692c-21d9-4c70-83e6-39082b3d3994/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa5692c-21d9-4c70-83e6-39082b3d3994/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d205b4d392fcf6603d2c7a58c20f30b20ad63dac227f46def37edd46d8cc7990 [2021-11-23 01:29:03,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:29:03,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:29:03,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:29:03,247 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:29:03,249 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:29:03,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa5692c-21d9-4c70-83e6-39082b3d3994/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2021-11-23 01:29:03,338 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa5692c-21d9-4c70-83e6-39082b3d3994/bin/ukojak-LBtLqBUTdQ/data/7f654c9f1/285718ebcbab4499a45425790fa63e3e/FLAG402567aa4 [2021-11-23 01:29:03,814 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:29:03,815 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa5692c-21d9-4c70-83e6-39082b3d3994/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2021-11-23 01:29:03,824 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa5692c-21d9-4c70-83e6-39082b3d3994/bin/ukojak-LBtLqBUTdQ/data/7f654c9f1/285718ebcbab4499a45425790fa63e3e/FLAG402567aa4 [2021-11-23 01:29:04,196 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa5692c-21d9-4c70-83e6-39082b3d3994/bin/ukojak-LBtLqBUTdQ/data/7f654c9f1/285718ebcbab4499a45425790fa63e3e [2021-11-23 01:29:04,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:29:04,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:29:04,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:29:04,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:29:04,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:29:04,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f7cb15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04, skipping insertion in model container [2021-11-23 01:29:04,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:29:04,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:29:04,418 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_4aa5692c-21d9-4c70-83e6-39082b3d3994/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] [2021-11-23 01:29:04,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:29:04,455 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:29:04,467 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_4aa5692c-21d9-4c70-83e6-39082b3d3994/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] [2021-11-23 01:29:04,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:29:04,499 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:29:04,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04 WrapperNode [2021-11-23 01:29:04,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:29:04,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:29:04,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:29:04,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:29:04,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,542 INFO L137 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2021-11-23 01:29:04,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:29:04,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:29:04,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:29:04,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:29:04,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:29:04,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:29:04,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:29:04,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:29:04,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:29:04,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa5692c-21d9-4c70-83e6-39082b3d3994/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:29:04,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa5692c-21d9-4c70-83e6-39082b3d3994/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:29:04,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa5692c-21d9-4c70-83e6-39082b3d3994/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:29:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:29:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:29:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:29:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:29:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:29:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:29:04,759 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:29:04,761 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:29:04,976 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:29:05,008 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:29:05,008 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:29:05,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:05 BoogieIcfgContainer [2021-11-23 01:29:05,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:29:05,012 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:29:05,012 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:29:05,024 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:29:05,024 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:05" (1/1) ... [2021-11-23 01:29:05,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:29:05,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:05,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2021-11-23 01:29:05,099 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2021-11-23 01:29:05,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:29:05,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:05,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:05,216 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 01:29:05,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:05,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2021-11-23 01:29:05,241 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2021-11-23 01:29:05,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:29:05,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:05,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:05,339 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 01:29:05,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:05,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2021-11-23 01:29:05,398 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2021-11-23 01:29:05,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:29:05,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:05,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:05,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:29:05,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:05,698 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 01:29:16,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:29:16,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:16,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2021-11-23 01:29:16,144 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2021-11-23 01:29:16,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:29:16,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:16,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:16,259 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 01:29:16,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:16,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2021-11-23 01:29:16,641 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2021-11-23 01:29:16,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:29:16,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:16,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:16,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:29:17,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:17,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 68 transitions. [2021-11-23 01:29:17,014 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2021-11-23 01:29:17,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:29:17,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:17,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:17,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:29:17,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:17,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:17,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:17,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2021-11-23 01:29:17,414 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2021-11-23 01:29:17,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:29:17,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:17,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:17,519 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:17,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 21 states and 25 transitions. [2021-11-23 01:29:17,790 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-11-23 01:29:17,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:29:17,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:17,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:17,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:29:17,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:17,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:28,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:29:28,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:28,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 25 states and 32 transitions. [2021-11-23 01:29:28,902 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-23 01:29:28,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:29:28,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:28,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:28,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:29:28,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:29,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:29,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 21 states and 24 transitions. [2021-11-23 01:29:29,212 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2021-11-23 01:29:29,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:29:29,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:29,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:29,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:29:29,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:29,338 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:29:29,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:29,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 17 states and 19 transitions. [2021-11-23 01:29:29,456 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-11-23 01:29:29,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:29:29,457 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2021-11-23 01:29:29,468 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:29:29,552 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:29:29,556 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2021-11-23 01:29:29,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:29:29 ImpRootNode [2021-11-23 01:29:29,563 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:29:29,563 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:29:29,563 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:29:29,564 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:29:29,564 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:05" (3/4) ... [2021-11-23 01:29:29,567 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:29:29,583 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-23 01:29:29,590 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-23 01:29:29,591 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-23 01:29:29,592 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 01:29:29,592 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:29:29,661 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa5692c-21d9-4c70-83e6-39082b3d3994/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:29:29,661 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:29:29,662 INFO L158 Benchmark]: Toolchain (without parser) took 25462.14ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 72.2MB in the beginning and 103.4MB in the end (delta: -31.1MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2021-11-23 01:29:29,663 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 109.1MB. Free memory was 79.4MB in the beginning and 79.4MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:29:29,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.89ms. Allocated memory is still 109.1MB. Free memory was 72.2MB in the beginning and 77.8MB in the end (delta: -5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:29:29,665 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.16ms. Allocated memory is still 109.1MB. Free memory was 77.8MB in the beginning and 76.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:29:29,665 INFO L158 Benchmark]: Boogie Preprocessor took 26.46ms. Allocated memory is still 109.1MB. Free memory was 76.2MB in the beginning and 74.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:29:29,666 INFO L158 Benchmark]: RCFGBuilder took 441.04ms. Allocated memory is still 109.1MB. Free memory was 74.9MB in the beginning and 62.7MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:29:29,667 INFO L158 Benchmark]: CodeCheck took 24550.57ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 62.7MB in the beginning and 37.7MB in the end (delta: 25.1MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2021-11-23 01:29:29,667 INFO L158 Benchmark]: Witness Printer took 98.20ms. Allocated memory is still 132.1MB. Free memory was 37.7MB in the beginning and 103.4MB in the end (delta: -65.7MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2021-11-23 01:29:29,677 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, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.4s, 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: 11 mSolverCounterUnknown, 555 SdHoareTripleChecker+Valid, 112.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 118 mSDsluCounter, 570 SdHoareTripleChecker+Invalid, 112.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 208 mSDsCounter, 278 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 819 IncrementalHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 278 mSolverCounterUnsat, 362 mSDtfsCounter, 819 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1319 GetRequests, 1200 SyntacticMatches, 29 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2948 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 407 SizeOfPredicates, 5 NumberOfNonLiveVariables, 350 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 19/21 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((p == 0 && h == 0) && counter == 0) && n == r) || (((p == 0 && h == 0) && 1 <= counter) && n == r) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 109.1MB. Free memory was 79.4MB in the beginning and 79.4MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.89ms. Allocated memory is still 109.1MB. Free memory was 72.2MB in the beginning and 77.8MB in the end (delta: -5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.16ms. Allocated memory is still 109.1MB. Free memory was 77.8MB in the beginning and 76.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.46ms. Allocated memory is still 109.1MB. Free memory was 76.2MB in the beginning and 74.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 441.04ms. Allocated memory is still 109.1MB. Free memory was 74.9MB in the beginning and 62.7MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 24550.57ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 62.7MB in the beginning and 37.7MB in the end (delta: 25.1MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * Witness Printer took 98.20ms. Allocated memory is still 132.1MB. Free memory was 37.7MB in the beginning and 103.4MB in the end (delta: -65.7MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:29:29,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aa5692c-21d9-4c70-83e6-39082b3d3994/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