./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/nested5-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/nested5-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL --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 b89d5a1db28cdbe10153d7e75038bff16b1343640a8d05a90f6e5bdf82eae94a --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:35:31,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:35:31,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:35:31,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:35:31,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:35:31,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:35:31,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:35:31,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:35:31,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:35:31,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:35:31,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:35:31,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:35:31,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:35:31,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:35:31,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:35:31,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:35:31,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:35:31,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:35:31,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:35:31,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:35:31,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:35:31,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:35:31,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:35:31,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:35:31,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:35:31,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:35:31,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:35:31,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:35:31,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:35:31,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:35:31,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:35:31,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:35:31,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:35:31,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:35:31,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:35:31,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:35:31,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:35:31,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:35:31,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:35:31,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:35:31,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:35:31,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 07:35:31,870 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:35:31,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:35:31,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:35:31,872 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:35:31,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:35:31,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:35:31,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:35:31,874 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:35:31,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:35:31,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:35:31,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:35:31,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:35:31,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:35:31,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:35:31,876 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:35:31,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:35:31,877 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:35:31,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:35:31,877 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:35:31,877 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:35:31,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:35:31,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:35:31,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:35:31,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:35:31,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:35:31,879 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:35:31,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:35:31,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:35:31,879 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_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b89d5a1db28cdbe10153d7e75038bff16b1343640a8d05a90f6e5bdf82eae94a [2021-11-25 07:35:32,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:35:32,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:35:32,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:35:32,264 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:35:32,265 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:35:32,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/loops-crafted-1/nested5-1.c [2021-11-25 07:35:32,343 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL/data/de7673674/2d68fd79b60a4584a847816b3b8d8f51/FLAGc82f523bc [2021-11-25 07:35:32,831 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:35:32,831 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/sv-benchmarks/c/loops-crafted-1/nested5-1.c [2021-11-25 07:35:32,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL/data/de7673674/2d68fd79b60a4584a847816b3b8d8f51/FLAGc82f523bc [2021-11-25 07:35:33,223 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL/data/de7673674/2d68fd79b60a4584a847816b3b8d8f51 [2021-11-25 07:35:33,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:35:33,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:35:33,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:35:33,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:35:33,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:35:33,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:35:33" (1/1) ... [2021-11-25 07:35:33,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72a2942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:33, skipping insertion in model container [2021-11-25 07:35:33,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:35:33" (1/1) ... [2021-11-25 07:35:33,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:35:33,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:35:33,436 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_073ce78b-f916-43de-a572-5a973e15c36a/sv-benchmarks/c/loops-crafted-1/nested5-1.c[321,334] [2021-11-25 07:35:33,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:35:33,471 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:35:33,484 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_073ce78b-f916-43de-a572-5a973e15c36a/sv-benchmarks/c/loops-crafted-1/nested5-1.c[321,334] [2021-11-25 07:35:33,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:35:33,504 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:35:33,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:33 WrapperNode [2021-11-25 07:35:33,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:35:33,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:35:33,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:35:33,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:35:33,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:33" (1/1) ... [2021-11-25 07:35:33,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:33" (1/1) ... [2021-11-25 07:35:33,546 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2021-11-25 07:35:33,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:35:33,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:35:33,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:35:33,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:35:33,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:33" (1/1) ... [2021-11-25 07:35:33,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:33" (1/1) ... [2021-11-25 07:35:33,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:33" (1/1) ... [2021-11-25 07:35:33,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:33" (1/1) ... [2021-11-25 07:35:33,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:33" (1/1) ... [2021-11-25 07:35:33,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:33" (1/1) ... [2021-11-25 07:35:33,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:33" (1/1) ... [2021-11-25 07:35:33,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:35:33,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:35:33,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:35:33,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:35:33,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:33" (1/1) ... [2021-11-25 07:35:33,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:35:33,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:35:33,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:35:33,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:35:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:35:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:35:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:35:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:35:33,770 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:35:33,772 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:35:33,933 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:35:33,974 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:35:33,974 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-25 07:35:33,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:35:33 BoogieIcfgContainer [2021-11-25 07:35:33,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:35:33,978 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:35:33,978 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:35:33,987 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:35:33,988 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:35:33" (1/1) ... [2021-11-25 07:35:33,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:35:34,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:34,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2021-11-25 07:35:34,055 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2021-11-25 07:35:34,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:35:34,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:34,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:34,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:35:34,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:34,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-25 07:35:34,275 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-25 07:35:34,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:35:34,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:34,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:34,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:35:34,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:34,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2021-11-25 07:35:34,523 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2021-11-25 07:35:34,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:35:34,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:34,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:34,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:35:34,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:34,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-25 07:35:34,716 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-25 07:35:34,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:35:34,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:34,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:34,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:35:35,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:35,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2021-11-25 07:35:35,002 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-11-25 07:35:35,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:35:35,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:35,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:35,157 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:35:35,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:35,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-11-25 07:35:35,251 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-11-25 07:35:35,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:35:35,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:35,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:35:35,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:35,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-25 07:35:35,566 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-25 07:35:35,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 07:35:35,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:35,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:35:35,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2021-11-25 07:35:35,895 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-11-25 07:35:35,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:35:35,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:35,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:36,088 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:35:36,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:36,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2021-11-25 07:35:36,177 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-11-25 07:35:36,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 07:35:36,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:36,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:36,391 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:35:36,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:36,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2021-11-25 07:35:36,472 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2021-11-25 07:35:36,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 07:35:36,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:36,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:36,717 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:35:36,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:36,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2021-11-25 07:35:36,831 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-11-25 07:35:36,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:35:36,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:36,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:37,085 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:35:37,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:37,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2021-11-25 07:35:37,336 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2021-11-25 07:35:37,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:35:37,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:37,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:37,618 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 11 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:35:37,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:37,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2021-11-25 07:35:37,910 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-11-25 07:35:37,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 07:35:37,910 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2021-11-25 07:35:37,920 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-25 07:35:38,071 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:35:38,075 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:35:38,075 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:35:38,075 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:35:38,075 INFO L560 CodeCheckObserver]: Invariant with dag size 47 [2021-11-25 07:35:38,084 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:35:38,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 07:35:38 ImpRootNode [2021-11-25 07:35:38,085 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 07:35:38,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 07:35:38,086 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 07:35:38,086 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 07:35:38,087 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:35:33" (3/4) ... [2021-11-25 07:35:38,090 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 07:35:38,100 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-11-25 07:35:38,100 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-25 07:35:38,100 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 07:35:38,101 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 07:35:38,145 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 07:35:38,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 07:35:38,146 INFO L158 Benchmark]: Toolchain (without parser) took 4917.28ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 60.8MB in the beginning and 92.0MB in the end (delta: -31.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:35:38,147 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:35:38,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.61ms. Allocated memory is still 96.5MB. Free memory was 60.5MB in the beginning and 73.2MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 07:35:38,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.60ms. Allocated memory is still 96.5MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:35:38,148 INFO L158 Benchmark]: Boogie Preprocessor took 23.62ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 70.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:35:38,149 INFO L158 Benchmark]: RCFGBuilder took 405.54ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 59.9MB in the end (delta: 10.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 07:35:38,149 INFO L158 Benchmark]: CodeCheck took 4106.90ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 59.6MB in the beginning and 95.2MB in the end (delta: -35.6MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2021-11-25 07:35:38,150 INFO L158 Benchmark]: Witness Printer took 59.71ms. Allocated memory is still 121.6MB. Free memory was 95.2MB in the beginning and 92.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 07:35:38,153 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 13, 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, 287 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 314 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 402 IncrementalHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 314 mSolverCounterUnsat, 84 mSDtfsCounter, 402 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1208 GetRequests, 1048 SyntacticMatches, 108 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2388 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 692 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 11/286 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: 7]: 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: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((((((((7 < v && v <= 8) || (4 < v && v <= 5)) || (3 < v && v <= 4)) || (v <= 9 && 8 < v)) || (v <= 2 && 1 < v)) || (v <= 7 && 6 < v)) || (v <= 6 && 5 < v)) || (2 < v && v <= 3)) || (v <= 1 && 0 < v / 4294967296 + 1)) || (v / 4 <= 2 && 10 <= v) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.61ms. Allocated memory is still 96.5MB. Free memory was 60.5MB in the beginning and 73.2MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.60ms. Allocated memory is still 96.5MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.62ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 70.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 405.54ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 59.9MB in the end (delta: 10.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 4106.90ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 59.6MB in the beginning and 95.2MB in the end (delta: -35.6MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * Witness Printer took 59.71ms. Allocated memory is still 121.6MB. Free memory was 95.2MB in the beginning and 92.0MB 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! [2021-11-25 07:35:38,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_073ce78b-f916-43de-a572-5a973e15c36a/bin/ukojak-d1pc8ZmBRL/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