./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9e57556025294612a4983c83f08462039130a71f3900642f3b13b79e1ecf173 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:15:54,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:15:54,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:15:54,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:15:54,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:15:54,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:15:54,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:15:54,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:15:54,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:15:54,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:15:54,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:15:54,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:15:54,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:15:54,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:15:54,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:15:54,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:15:54,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:15:54,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:15:54,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:15:54,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:15:54,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:15:54,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:15:54,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:15:54,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:15:54,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:15:54,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:15:54,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:15:54,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:15:54,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:15:54,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:15:54,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:15:54,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:15:54,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:15:54,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:15:54,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:15:54,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:15:54,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:15:54,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:15:54,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:15:54,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:15:54,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:15:54,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 09:15:54,970 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:15:54,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:15:54,971 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:15:54,971 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:15:54,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:15:54,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:15:54,979 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:15:54,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:15:54,980 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:15:54,980 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:15:54,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:15:54,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:15:54,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:15:54,982 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:15:54,982 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:15:54,983 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:15:54,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:15:54,983 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:15:54,983 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:15:54,984 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:15:54,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:15:54,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:15:54,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:15:54,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:15:54,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:15:54,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:15:54,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:15:54,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:15:54,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:15:54,988 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_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9e57556025294612a4983c83f08462039130a71f3900642f3b13b79e1ecf173 [2021-10-28 09:15:55,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:15:55,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:15:55,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:15:55,292 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:15:55,292 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:15:55,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c [2021-10-28 09:15:55,356 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg/data/6650ce752/b08e9c2324604246a8de5b13fa6a8e00/FLAGe7351faa8 [2021-10-28 09:15:55,783 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:15:55,783 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/sv-benchmarks/c/ldv-memsafety/StructInitialization2.c [2021-10-28 09:15:55,789 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg/data/6650ce752/b08e9c2324604246a8de5b13fa6a8e00/FLAGe7351faa8 [2021-10-28 09:15:56,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg/data/6650ce752/b08e9c2324604246a8de5b13fa6a8e00 [2021-10-28 09:15:56,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:15:56,187 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:15:56,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:15:56,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:15:56,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:15:56,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:15:56" (1/1) ... [2021-10-28 09:15:56,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409d5a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:56, skipping insertion in model container [2021-10-28 09:15:56,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:15:56" (1/1) ... [2021-10-28 09:15:56,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:15:56,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:15:56,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:15:56,440 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:15:56,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:15:56,499 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:15:56,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:56 WrapperNode [2021-10-28 09:15:56,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:15:56,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:15:56,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:15:56,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:15:56,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:56" (1/1) ... [2021-10-28 09:15:56,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:56" (1/1) ... [2021-10-28 09:15:56,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:56" (1/1) ... [2021-10-28 09:15:56,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:56" (1/1) ... [2021-10-28 09:15:56,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:56" (1/1) ... [2021-10-28 09:15:56,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:56" (1/1) ... [2021-10-28 09:15:56,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:56" (1/1) ... [2021-10-28 09:15:56,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:15:56,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:15:56,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:15:56,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:15:56,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:56" (1/1) ... [2021-10-28 09:15:56,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:15:56,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:15:56,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:15:56,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:15:56,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 09:15:56,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:15:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 09:15:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:15:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 09:15:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:15:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 09:15:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 09:15:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:15:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 09:15:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:15:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 09:15:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:15:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:15:57,333 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:15:57,333 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-10-28 09:15:57,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:15:57 BoogieIcfgContainer [2021-10-28 09:15:57,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:15:57,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:15:57,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:15:57,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:15:57,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:15:56" (1/3) ... [2021-10-28 09:15:57,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3acaffc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:15:57, skipping insertion in model container [2021-10-28 09:15:57,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:15:56" (2/3) ... [2021-10-28 09:15:57,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3acaffc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:15:57, skipping insertion in model container [2021-10-28 09:15:57,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:15:57" (3/3) ... [2021-10-28 09:15:57,344 INFO L111 eAbstractionObserver]: Analyzing ICFG StructInitialization2.c [2021-10-28 09:15:57,350 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:15:57,350 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2021-10-28 09:15:57,390 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:15:57,395 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:15:57,396 INFO L340 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2021-10-28 09:15:57,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 159 states, 73 states have (on average 2.1095890410958904) internal successors, (154), 154 states have internal predecessors, (154), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-28 09:15:57,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-28 09:15:57,421 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:15:57,422 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:15:57,423 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 76 more)] === [2021-10-28 09:15:57,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:15:57,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1058869513, now seen corresponding path program 1 times [2021-10-28 09:15:57,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:15:57,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103285103] [2021-10-28 09:15:57,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:15:57,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:15:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:15:57,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-10-28 09:15:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:15:58,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:15:58,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:15:58,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103285103] [2021-10-28 09:15:58,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103285103] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:15:58,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:15:58,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:15:58,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16961477] [2021-10-28 09:15:58,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:15:58,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:15:58,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:15:58,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:15:58,053 INFO L87 Difference]: Start difference. First operand has 159 states, 73 states have (on average 2.1095890410958904) internal successors, (154), 154 states have internal predecessors, (154), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 09:15:58,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:15:58,719 INFO L93 Difference]: Finished difference Result 118 states and 117 transitions. [2021-10-28 09:15:58,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:15:58,721 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2021-10-28 09:15:58,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:15:58,731 INFO L225 Difference]: With dead ends: 118 [2021-10-28 09:15:58,731 INFO L226 Difference]: Without dead ends: 113 [2021-10-28 09:15:58,733 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:15:58,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-28 09:15:58,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-28 09:15:58,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.5571428571428572) internal successors, (109), 109 states have internal predecessors, (109), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 09:15:58,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 112 transitions. [2021-10-28 09:15:58,787 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 112 transitions. Word has length 6 [2021-10-28 09:15:58,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:15:58,787 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 112 transitions. [2021-10-28 09:15:58,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 09:15:58,788 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 112 transitions. [2021-10-28 09:15:58,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-28 09:15:58,789 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:15:58,789 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:15:58,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:15:58,789 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 76 more)] === [2021-10-28 09:15:58,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:15:58,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1058869514, now seen corresponding path program 1 times [2021-10-28 09:15:58,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:15:58,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580962788] [2021-10-28 09:15:58,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:15:58,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:15:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:15:59,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-10-28 09:15:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:15:59,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:15:59,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:15:59,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580962788] [2021-10-28 09:15:59,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580962788] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:15:59,239 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:15:59,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:15:59,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092616721] [2021-10-28 09:15:59,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:15:59,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:15:59,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:15:59,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:15:59,248 INFO L87 Difference]: Start difference. First operand 113 states and 112 transitions. Second operand has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 09:15:59,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:15:59,683 INFO L93 Difference]: Finished difference Result 73 states and 72 transitions. [2021-10-28 09:15:59,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:15:59,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2021-10-28 09:15:59,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:15:59,684 INFO L225 Difference]: With dead ends: 73 [2021-10-28 09:15:59,684 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:15:59,685 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:15:59,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:15:59,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:15:59,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:15:59,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:15:59,686 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-10-28 09:15:59,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:15:59,686 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:15:59,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 09:15:59,686 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:15:59,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:15:59,699 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr0REQUIRES_VIOLATION [2021-10-28 09:15:59,700 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr1REQUIRES_VIOLATION [2021-10-28 09:15:59,700 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr2REQUIRES_VIOLATION [2021-10-28 09:15:59,700 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr3REQUIRES_VIOLATION [2021-10-28 09:15:59,700 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr4REQUIRES_VIOLATION [2021-10-28 09:15:59,700 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr5REQUIRES_VIOLATION [2021-10-28 09:15:59,700 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr6REQUIRES_VIOLATION [2021-10-28 09:15:59,701 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr7REQUIRES_VIOLATION [2021-10-28 09:15:59,701 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr8REQUIRES_VIOLATION [2021-10-28 09:15:59,701 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr9REQUIRES_VIOLATION [2021-10-28 09:15:59,701 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr10REQUIRES_VIOLATION [2021-10-28 09:15:59,701 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr11REQUIRES_VIOLATION [2021-10-28 09:15:59,701 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr12REQUIRES_VIOLATION [2021-10-28 09:15:59,702 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr13REQUIRES_VIOLATION [2021-10-28 09:15:59,702 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr14REQUIRES_VIOLATION [2021-10-28 09:15:59,702 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr15REQUIRES_VIOLATION [2021-10-28 09:15:59,702 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr16REQUIRES_VIOLATION [2021-10-28 09:15:59,702 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr17REQUIRES_VIOLATION [2021-10-28 09:15:59,703 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr18REQUIRES_VIOLATION [2021-10-28 09:15:59,703 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr19REQUIRES_VIOLATION [2021-10-28 09:15:59,708 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr20REQUIRES_VIOLATION [2021-10-28 09:15:59,709 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr21REQUIRES_VIOLATION [2021-10-28 09:15:59,709 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr22REQUIRES_VIOLATION [2021-10-28 09:15:59,709 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr23REQUIRES_VIOLATION [2021-10-28 09:15:59,709 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr24REQUIRES_VIOLATION [2021-10-28 09:15:59,710 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr25REQUIRES_VIOLATION [2021-10-28 09:15:59,710 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr26REQUIRES_VIOLATION [2021-10-28 09:15:59,710 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr27REQUIRES_VIOLATION [2021-10-28 09:15:59,711 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr28REQUIRES_VIOLATION [2021-10-28 09:15:59,711 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr29REQUIRES_VIOLATION [2021-10-28 09:15:59,711 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr30REQUIRES_VIOLATION [2021-10-28 09:15:59,711 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr31REQUIRES_VIOLATION [2021-10-28 09:15:59,712 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr32REQUIRES_VIOLATION [2021-10-28 09:15:59,713 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr33REQUIRES_VIOLATION [2021-10-28 09:15:59,715 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr34REQUIRES_VIOLATION [2021-10-28 09:15:59,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr35REQUIRES_VIOLATION [2021-10-28 09:15:59,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr36REQUIRES_VIOLATION [2021-10-28 09:15:59,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr37REQUIRES_VIOLATION [2021-10-28 09:15:59,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr38REQUIRES_VIOLATION [2021-10-28 09:15:59,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr39REQUIRES_VIOLATION [2021-10-28 09:15:59,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr40REQUIRES_VIOLATION [2021-10-28 09:15:59,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr41REQUIRES_VIOLATION [2021-10-28 09:15:59,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr42REQUIRES_VIOLATION [2021-10-28 09:15:59,720 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr43REQUIRES_VIOLATION [2021-10-28 09:15:59,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr44REQUIRES_VIOLATION [2021-10-28 09:15:59,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr45REQUIRES_VIOLATION [2021-10-28 09:15:59,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr46REQUIRES_VIOLATION [2021-10-28 09:15:59,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr47REQUIRES_VIOLATION [2021-10-28 09:15:59,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr48REQUIRES_VIOLATION [2021-10-28 09:15:59,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr49REQUIRES_VIOLATION [2021-10-28 09:15:59,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr50REQUIRES_VIOLATION [2021-10-28 09:15:59,723 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr51REQUIRES_VIOLATION [2021-10-28 09:15:59,723 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr52REQUIRES_VIOLATION [2021-10-28 09:15:59,723 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr53REQUIRES_VIOLATION [2021-10-28 09:15:59,723 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr54REQUIRES_VIOLATION [2021-10-28 09:15:59,723 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr55REQUIRES_VIOLATION [2021-10-28 09:15:59,724 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr56REQUIRES_VIOLATION [2021-10-28 09:15:59,724 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr57REQUIRES_VIOLATION [2021-10-28 09:15:59,724 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr58REQUIRES_VIOLATION [2021-10-28 09:15:59,724 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr59REQUIRES_VIOLATION [2021-10-28 09:15:59,725 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr60REQUIRES_VIOLATION [2021-10-28 09:15:59,725 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr61REQUIRES_VIOLATION [2021-10-28 09:15:59,725 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr62REQUIRES_VIOLATION [2021-10-28 09:15:59,725 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr63REQUIRES_VIOLATION [2021-10-28 09:15:59,726 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr64REQUIRES_VIOLATION [2021-10-28 09:15:59,726 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr65REQUIRES_VIOLATION [2021-10-28 09:15:59,726 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr66REQUIRES_VIOLATION [2021-10-28 09:15:59,726 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr67REQUIRES_VIOLATION [2021-10-28 09:15:59,726 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr68REQUIRES_VIOLATION [2021-10-28 09:15:59,727 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr69REQUIRES_VIOLATION [2021-10-28 09:15:59,727 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr70REQUIRES_VIOLATION [2021-10-28 09:15:59,727 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr71REQUIRES_VIOLATION [2021-10-28 09:15:59,727 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr72REQUIRES_VIOLATION [2021-10-28 09:15:59,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr73REQUIRES_VIOLATION [2021-10-28 09:15:59,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr74REQUIRES_VIOLATION [2021-10-28 09:15:59,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr75REQUIRES_VIOLATION [2021-10-28 09:15:59,729 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr76REQUIRES_VIOLATION [2021-10-28 09:15:59,729 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr77REQUIRES_VIOLATION [2021-10-28 09:15:59,729 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr78REQUIRES_VIOLATION [2021-10-28 09:15:59,730 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr79REQUIRES_VIOLATION [2021-10-28 09:15:59,730 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr80ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 09:15:59,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:15:59,734 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 09:15:59,737 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:15:59,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:15:59 BoogieIcfgContainer [2021-10-28 09:15:59,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:15:59,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:15:59,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:15:59,744 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:15:59,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:15:57" (3/4) ... [2021-10-28 09:15:59,747 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:15:59,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2021-10-28 09:15:59,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2021-10-28 09:15:59,772 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 106 nodes and edges [2021-10-28 09:15:59,774 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2021-10-28 09:15:59,774 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-28 09:15:59,774 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 09:15:59,775 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:15:59,775 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-28 09:15:59,845 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:15:59,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:15:59,847 INFO L168 Benchmark]: Toolchain (without parser) took 3658.34 ms. Allocated memory was 111.1 MB in the beginning and 136.3 MB in the end (delta: 25.2 MB). Free memory was 75.4 MB in the beginning and 99.9 MB in the end (delta: -24.5 MB). Peak memory consumption was 458.2 kB. Max. memory is 16.1 GB. [2021-10-28 09:15:59,847 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 111.1 MB. Free memory is still 91.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:15:59,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.56 ms. Allocated memory is still 111.1 MB. Free memory was 75.2 MB in the beginning and 85.4 MB in the end (delta: -10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:59,849 INFO L168 Benchmark]: Boogie Preprocessor took 59.09 ms. Allocated memory is still 111.1 MB. Free memory was 85.4 MB in the beginning and 82.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:59,849 INFO L168 Benchmark]: RCFGBuilder took 774.96 ms. Allocated memory is still 111.1 MB. Free memory was 81.7 MB in the beginning and 52.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:59,849 INFO L168 Benchmark]: TraceAbstraction took 2404.84 ms. Allocated memory was 111.1 MB in the beginning and 136.3 MB in the end (delta: 25.2 MB). Free memory was 51.7 MB in the beginning and 105.1 MB in the end (delta: -53.4 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:59,850 INFO L168 Benchmark]: Witness Printer took 101.80 ms. Allocated memory is still 136.3 MB. Free memory was 105.1 MB in the beginning and 99.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:15:59,852 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 111.1 MB. Free memory is still 91.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 296.56 ms. Allocated memory is still 111.1 MB. Free memory was 75.2 MB in the beginning and 85.4 MB in the end (delta: -10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.09 ms. Allocated memory is still 111.1 MB. Free memory was 85.4 MB in the beginning and 82.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 774.96 ms. Allocated memory is still 111.1 MB. Free memory was 81.7 MB in the beginning and 52.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2404.84 ms. Allocated memory was 111.1 MB in the beginning and 136.3 MB in the end (delta: 25.2 MB). Free memory was 51.7 MB in the beginning and 105.1 MB in the end (delta: -53.4 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. * Witness Printer took 101.80 ms. Allocated memory is still 136.3 MB. Free memory was 105.1 MB in the beginning and 99.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 128]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 159 locations, 81 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 68 SDtfs, 354 SDslu, 5 SDs, 0 SdLazy, 128 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 370 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 81 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-28 09:15:59,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075a98d1-c7fc-4754-8cd7-6c3b43fc330b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...