./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/quick_sort_split.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/quick_sort_split.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 608b74039fb15a247aaf810504577eacfdbb21e6889e19896989d0cd0427fa05 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:26:11,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:26:11,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:26:11,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:26:11,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:26:11,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:26:11,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:26:11,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:26:11,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:26:11,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:26:11,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:26:11,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:26:11,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:26:11,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:26:11,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:26:11,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:26:11,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:26:11,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:26:11,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:26:11,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:26:11,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:26:11,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:26:11,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:26:11,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:26:11,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:26:11,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:26:11,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:26:11,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:26:11,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:26:11,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:26:11,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:26:11,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:26:11,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:26:11,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:26:11,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:26:11,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:26:11,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:26:11,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:26:11,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:26:11,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:26:11,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:26:11,913 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:26:11,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:26:11,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:26:11,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:26:11,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:26:11,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:26:11,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:26:11,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:26:11,963 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:26:11,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:26:11,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:26:11,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:26:11,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:26:11,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:26:11,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:26:11,965 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:26:11,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:26:11,965 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:26:11,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:26:11,966 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:26:11,966 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:26:11,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:26:11,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:26:11,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:26:11,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:26:11,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:26:11,967 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:26:11,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:26:11,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:26:11,968 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_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 608b74039fb15a247aaf810504577eacfdbb21e6889e19896989d0cd0427fa05 [2021-10-29 04:26:12,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:26:12,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:26:12,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:26:12,272 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:26:12,274 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:26:12,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/heap-data/quick_sort_split.i [2021-10-29 04:26:12,349 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI/data/753508807/7cd12aa36f4f428cbbcc52cad06b5f23/FLAG376edd9c2 [2021-10-29 04:26:12,954 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:26:12,960 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/sv-benchmarks/c/heap-data/quick_sort_split.i [2021-10-29 04:26:12,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI/data/753508807/7cd12aa36f4f428cbbcc52cad06b5f23/FLAG376edd9c2 [2021-10-29 04:26:13,269 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI/data/753508807/7cd12aa36f4f428cbbcc52cad06b5f23 [2021-10-29 04:26:13,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:26:13,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:26:13,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:26:13,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:26:13,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:26:13,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:26:13" (1/1) ... [2021-10-29 04:26:13,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651c0ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:13, skipping insertion in model container [2021-10-29 04:26:13,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:26:13" (1/1) ... [2021-10-29 04:26:13,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:26:13,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:26:13,983 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/sv-benchmarks/c/heap-data/quick_sort_split.i[23986,23999] [2021-10-29 04:26:13,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/sv-benchmarks/c/heap-data/quick_sort_split.i[24106,24119] [2021-10-29 04:26:13,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:26:14,005 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:26:14,077 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/sv-benchmarks/c/heap-data/quick_sort_split.i[23986,23999] [2021-10-29 04:26:14,078 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/sv-benchmarks/c/heap-data/quick_sort_split.i[24106,24119] [2021-10-29 04:26:14,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:26:14,114 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:26:14,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:14 WrapperNode [2021-10-29 04:26:14,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:26:14,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:26:14,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:26:14,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:26:14,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:14" (1/1) ... [2021-10-29 04:26:14,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:14" (1/1) ... [2021-10-29 04:26:14,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:26:14,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:26:14,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:26:14,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:26:14,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:14" (1/1) ... [2021-10-29 04:26:14,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:14" (1/1) ... [2021-10-29 04:26:14,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:14" (1/1) ... [2021-10-29 04:26:14,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:14" (1/1) ... [2021-10-29 04:26:14,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:14" (1/1) ... [2021-10-29 04:26:14,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:14" (1/1) ... [2021-10-29 04:26:14,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:14" (1/1) ... [2021-10-29 04:26:14,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:26:14,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:26:14,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:26:14,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:26:14,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:26:14" (1/1) ... [2021-10-29 04:26:14,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:26:14,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:26:14,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:26:14,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:26:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 04:26:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 04:26:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:26:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 04:26:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:26:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 04:26:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:26:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-29 04:26:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:26:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_list [2021-10-29 04:26:14,318 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_list [2021-10-29 04:26:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:26:14,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:26:14,822 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:26:14,822 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-29 04:26:14,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:26:14 BoogieIcfgContainer [2021-10-29 04:26:14,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:26:14,828 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:26:14,828 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:26:14,839 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:26:14,839 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:26:14" (1/1) ... [2021-10-29 04:26:14,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:26:14,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:14,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-10-29 04:26:14,884 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-10-29 04:26:14,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:26:14,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:26:14,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:26:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:26:15,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:26:15,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:15,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2021-10-29 04:26:15,041 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2021-10-29 04:26:15,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:26:15,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:26:15,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:26:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:26:15,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:26:15,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:15,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-10-29 04:26:15,200 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-10-29 04:26:15,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:26:15,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:26:15,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:26:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:26:15,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:26:15,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:15,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2021-10-29 04:26:15,437 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-10-29 04:26:15,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:26:15,438 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2021-10-29 04:26:15,444 INFO L759 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2021-10-29 04:26:15,483 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:26:15,487 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:26:15,488 INFO L565 CodeCheckObserver]: Invariant with dag size 10 [2021-10-29 04:26:15,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:26:15 ImpRootNode [2021-10-29 04:26:15,499 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:26:15,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:26:15,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:26:15,501 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:26:15,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:26:14" (3/4) ... [2021-10-29 04:26:15,504 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:26:15,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure append_to_list [2021-10-29 04:26:15,517 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-29 04:26:15,517 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 04:26:15,518 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:26:15,518 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:26:15,587 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:26:15,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:26:15,589 INFO L168 Benchmark]: Toolchain (without parser) took 2306.62 ms. Allocated memory was 117.4 MB in the beginning and 153.1 MB in the end (delta: 35.7 MB). Free memory was 74.3 MB in the beginning and 123.9 MB in the end (delta: -49.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:26:15,589 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 117.4 MB. Free memory was 91.8 MB in the beginning and 91.7 MB in the end (delta: 64.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:26:15,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.99 ms. Allocated memory is still 117.4 MB. Free memory was 74.1 MB in the beginning and 84.2 MB in the end (delta: -10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:26:15,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.42 ms. Allocated memory is still 117.4 MB. Free memory was 84.2 MB in the beginning and 82.4 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:26:15,593 INFO L168 Benchmark]: Boogie Preprocessor took 31.33 ms. Allocated memory is still 117.4 MB. Free memory was 82.4 MB in the beginning and 80.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:26:15,593 INFO L168 Benchmark]: RCFGBuilder took 605.88 ms. Allocated memory is still 117.4 MB. Free memory was 80.7 MB in the beginning and 63.2 MB in the end (delta: 17.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:26:15,594 INFO L168 Benchmark]: CodeCheck took 671.49 ms. Allocated memory was 117.4 MB in the beginning and 153.1 MB in the end (delta: 35.7 MB). Free memory was 63.2 MB in the beginning and 127.0 MB in the end (delta: -63.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:26:15,594 INFO L168 Benchmark]: Witness Printer took 87.64 ms. Allocated memory is still 153.1 MB. Free memory was 127.0 MB in the beginning and 123.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:26:15,597 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 74 SDtfs, 28 SDslu, 16 SDs, 0 SdLazy, 54 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 177 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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: 605]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 610]: 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 2 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: ((low == 0 && high == 0) && low == 0) && high == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 117.4 MB. Free memory was 91.8 MB in the beginning and 91.7 MB in the end (delta: 64.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 832.99 ms. Allocated memory is still 117.4 MB. Free memory was 74.1 MB in the beginning and 84.2 MB in the end (delta: -10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.42 ms. Allocated memory is still 117.4 MB. Free memory was 84.2 MB in the beginning and 82.4 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.33 ms. Allocated memory is still 117.4 MB. Free memory was 82.4 MB in the beginning and 80.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 605.88 ms. Allocated memory is still 117.4 MB. Free memory was 80.7 MB in the beginning and 63.2 MB in the end (delta: 17.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 671.49 ms. Allocated memory was 117.4 MB in the beginning and 153.1 MB in the end (delta: 35.7 MB). Free memory was 63.2 MB in the beginning and 127.0 MB in the end (delta: -63.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 87.64 ms. Allocated memory is still 153.1 MB. Free memory was 127.0 MB in the beginning and 123.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:26:15,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12d75a4-4a53-4024-bf0a-baf5c1c94b55/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...