./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0158_1_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_03bac9d8-9ca0-4ef1-acc9-461bba8395ce/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_03bac9d8-9ca0-4ef1-acc9-461bba8395ce/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_03bac9d8-9ca0-4ef1-acc9-461bba8395ce/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_03bac9d8-9ca0-4ef1-acc9-461bba8395ce/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0158_1_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_03bac9d8-9ca0-4ef1-acc9-461bba8395ce/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_03bac9d8-9ca0-4ef1-acc9-461bba8395ce/bin-2019/uautomizer --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 c1516553d07c6c9c53fd073bc6c23f9e2032139d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:11:18,783 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:11:18,784 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:11:18,791 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:11:18,792 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:11:18,792 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:11:18,793 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:11:18,794 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:11:18,795 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:11:18,795 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:11:18,796 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:11:18,796 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:11:18,797 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:11:18,798 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:11:18,798 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:11:18,799 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:11:18,799 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:11:18,800 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:11:18,802 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:11:18,803 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:11:18,803 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:11:18,804 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:11:18,805 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:11:18,806 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:11:18,806 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:11:18,806 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:11:18,807 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:11:18,807 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:11:18,808 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:11:18,809 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:11:18,809 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:11:18,809 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:11:18,809 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:11:18,810 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:11:18,810 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:11:18,811 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:11:18,811 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_03bac9d8-9ca0-4ef1-acc9-461bba8395ce/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 12:11:18,820 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:11:18,820 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:11:18,821 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:11:18,821 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:11:18,821 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:11:18,821 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:11:18,821 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:11:18,821 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:11:18,822 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:11:18,822 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:11:18,822 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:11:18,822 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:11:18,822 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:11:18,822 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 12:11:18,822 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 12:11:18,822 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 12:11:18,823 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:11:18,823 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:11:18,823 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:11:18,823 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:11:18,823 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:11:18,823 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:11:18,823 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:11:18,824 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:11:18,824 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:11:18,824 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:11:18,824 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:11:18,824 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:11:18,824 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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-vcloud-master/worker/working_dir_03bac9d8-9ca0-4ef1-acc9-461bba8395ce/bin-2019/uautomizer 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 -> c1516553d07c6c9c53fd073bc6c23f9e2032139d [2018-11-28 12:11:18,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:11:18,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:11:18,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:11:18,860 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:11:18,860 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:11:18,861 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_03bac9d8-9ca0-4ef1-acc9-461bba8395ce/bin-2019/uautomizer/../../sv-benchmarks/c/list-ext-properties/test-0158_1_true-valid-memsafety_true-termination.i [2018-11-28 12:11:18,898 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_03bac9d8-9ca0-4ef1-acc9-461bba8395ce/bin-2019/uautomizer/data/4d433a1e4/d0b36d00568a4dfc9b2a290f22be94da/FLAGc0593ab3a [2018-11-28 12:11:19,329 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:11:19,330 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_03bac9d8-9ca0-4ef1-acc9-461bba8395ce/sv-benchmarks/c/list-ext-properties/test-0158_1_true-valid-memsafety_true-termination.i [2018-11-28 12:11:19,339 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_03bac9d8-9ca0-4ef1-acc9-461bba8395ce/bin-2019/uautomizer/data/4d433a1e4/d0b36d00568a4dfc9b2a290f22be94da/FLAGc0593ab3a [2018-11-28 12:11:19,350 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_03bac9d8-9ca0-4ef1-acc9-461bba8395ce/bin-2019/uautomizer/data/4d433a1e4/d0b36d00568a4dfc9b2a290f22be94da [2018-11-28 12:11:19,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:11:19,352 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 12:11:19,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:11:19,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:11:19,355 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:11:19,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:11:19" (1/1) ... [2018-11-28 12:11:19,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5589988b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:11:19, skipping insertion in model container [2018-11-28 12:11:19,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:11:19" (1/1) ... [2018-11-28 12:11:19,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:11:19,385 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:11:19,558 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:11:19,563 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:11:19,587 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:11:19,663 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:11:19,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:11:19 WrapperNode [2018-11-28 12:11:19,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:11:19,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:11:19,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:11:19,664 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:11:19,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:11:19" (1/1) ... [2018-11-28 12:11:19,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:11:19" (1/1) ... [2018-11-28 12:11:19,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:11:19" (1/1) ... [2018-11-28 12:11:19,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:11:19" (1/1) ... [2018-11-28 12:11:19,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:11:19" (1/1) ... [2018-11-28 12:11:19,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:11:19" (1/1) ... [2018-11-28 12:11:19,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:11:19" (1/1) ... [2018-11-28 12:11:19,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:11:19,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:11:19,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:11:19,703 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:11:19,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:11:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_03bac9d8-9ca0-4ef1-acc9-461bba8395ce/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:11:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:11:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:11:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:11:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-28 12:11:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 12:11:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 12:11:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 12:11:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 12:11:19,741 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 12:11:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 12:11:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 12:11:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 12:11:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 12:11:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 12:11:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 12:11:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 12:11:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 12:11:19,742 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 12:11:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 12:11:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 12:11:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 12:11:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 12:11:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 12:11:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 12:11:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 12:11:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 12:11:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 12:11:19,743 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 12:11:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 12:11:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 12:11:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 12:11:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 12:11:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 12:11:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 12:11:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 12:11:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 12:11:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 12:11:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 12:11:19,744 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 12:11:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 12:11:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 12:11:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 12:11:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 12:11:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 12:11:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 12:11:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 12:11:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 12:11:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 12:11:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 12:11:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 12:11:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 12:11:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 12:11:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 12:11:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 12:11:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 12:11:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 12:11:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 12:11:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 12:11:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 12:11:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 12:11:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 12:11:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 12:11:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 12:11:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 12:11:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 12:11:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 12:11:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 12:11:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 12:11:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-11-28 12:11:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 12:11:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 12:11:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 12:11:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 12:11:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 12:11:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 12:11:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 12:11:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 12:11:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 12:11:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 12:11:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 12:11:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 12:11:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 12:11:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 12:11:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 12:11:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 12:11:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 12:11:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 12:11:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 12:11:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 12:11:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 12:11:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 12:11:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 12:11:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 12:11:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 12:11:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 12:11:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 12:11:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 12:11:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 12:11:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 12:11:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 12:11:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 12:11:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 12:11:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 12:11:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 12:11:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 12:11:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 12:11:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:11:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:11:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 12:11:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 12:11:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 12:11:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 12:11:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:11:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:11:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:11:20,061 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:11:20,061 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 12:11:20,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:11:20 BoogieIcfgContainer [2018-11-28 12:11:20,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:11:20,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:11:20,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:11:20,065 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:11:20,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:11:19" (1/3) ... [2018-11-28 12:11:20,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c8962e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:11:20, skipping insertion in model container [2018-11-28 12:11:20,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:11:19" (2/3) ... [2018-11-28 12:11:20,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c8962e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:11:20, skipping insertion in model container [2018-11-28 12:11:20,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:11:20" (3/3) ... [2018-11-28 12:11:20,067 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0158_1_true-valid-memsafety_true-termination.i [2018-11-28 12:11:20,073 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:11:20,079 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-11-28 12:11:20,089 INFO L257 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2018-11-28 12:11:20,105 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:11:20,106 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:11:20,106 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 12:11:20,106 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:11:20,106 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:11:20,106 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:11:20,106 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:11:20,106 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:11:20,107 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:11:20,116 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-11-28 12:11:20,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-28 12:11:20,124 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:11:20,125 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:11:20,127 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:11:20,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:11:20,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1253040590, now seen corresponding path program 1 times [2018-11-28 12:11:20,132 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:11:20,132 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:11:20,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:20,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:20,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:11:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:11:20,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:11:20,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:11:20,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:11:20,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:11:20,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:20,256 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 3 states. [2018-11-28 12:11:20,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:11:20,317 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2018-11-28 12:11:20,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:11:20,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-28 12:11:20,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:11:20,326 INFO L225 Difference]: With dead ends: 30 [2018-11-28 12:11:20,326 INFO L226 Difference]: Without dead ends: 27 [2018-11-28 12:11:20,327 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:20,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-28 12:11:20,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-28 12:11:20,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-28 12:11:20,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-11-28 12:11:20,349 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 7 [2018-11-28 12:11:20,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:11:20,350 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-11-28 12:11:20,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:11:20,350 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-11-28 12:11:20,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-28 12:11:20,350 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:11:20,351 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:11:20,351 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:11:20,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:11:20,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1253040591, now seen corresponding path program 1 times [2018-11-28 12:11:20,351 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:11:20,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:11:20,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:20,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:20,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:11:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:11:20,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:11:20,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:11:20,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:11:20,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:11:20,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:20,398 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 3 states. [2018-11-28 12:11:20,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:11:20,421 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2018-11-28 12:11:20,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:11:20,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-28 12:11:20,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:11:20,422 INFO L225 Difference]: With dead ends: 21 [2018-11-28 12:11:20,422 INFO L226 Difference]: Without dead ends: 21 [2018-11-28 12:11:20,423 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:11:20,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-11-28 12:11:20,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-11-28 12:11:20,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-11-28 12:11:20,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-11-28 12:11:20,425 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 7 [2018-11-28 12:11:20,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:11:20,425 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2018-11-28 12:11:20,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:11:20,425 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-11-28 12:11:20,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-28 12:11:20,426 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:11:20,426 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:11:20,426 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:11:20,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:11:20,426 INFO L82 PathProgramCache]: Analyzing trace with hash -2021069433, now seen corresponding path program 1 times [2018-11-28 12:11:20,426 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:11:20,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:11:20,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:20,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:20,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:11:20,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:11:20,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:11:20,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:11:20,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:11:20,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:11:20,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:11:20,476 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 5 states. [2018-11-28 12:11:20,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:11:20,519 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2018-11-28 12:11:20,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:11:20,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-28 12:11:20,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:11:20,520 INFO L225 Difference]: With dead ends: 20 [2018-11-28 12:11:20,520 INFO L226 Difference]: Without dead ends: 20 [2018-11-28 12:11:20,520 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:11:20,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-11-28 12:11:20,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-11-28 12:11:20,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-28 12:11:20,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2018-11-28 12:11:20,523 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 14 [2018-11-28 12:11:20,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:11:20,523 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2018-11-28 12:11:20,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:11:20,523 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-11-28 12:11:20,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-28 12:11:20,523 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:11:20,524 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:11:20,524 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:11:20,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:11:20,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1771357084, now seen corresponding path program 1 times [2018-11-28 12:11:20,524 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:11:20,524 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:11:20,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:20,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:20,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:11:20,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:11:20,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:11:20,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:11:20,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:11:20,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:11:20,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:11:20,581 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 5 states. [2018-11-28 12:11:20,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:11:20,639 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2018-11-28 12:11:20,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:11:20,639 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-11-28 12:11:20,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:11:20,639 INFO L225 Difference]: With dead ends: 19 [2018-11-28 12:11:20,639 INFO L226 Difference]: Without dead ends: 19 [2018-11-28 12:11:20,640 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:11:20,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-11-28 12:11:20,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-11-28 12:11:20,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-11-28 12:11:20,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2018-11-28 12:11:20,642 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 15 [2018-11-28 12:11:20,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:11:20,642 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2018-11-28 12:11:20,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:11:20,642 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-11-28 12:11:20,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 12:11:20,643 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:11:20,643 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:11:20,643 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr14ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:11:20,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:11:20,643 INFO L82 PathProgramCache]: Analyzing trace with hash -922505174, now seen corresponding path program 1 times [2018-11-28 12:11:20,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:11:20,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:11:20,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:20,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:11:20,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:11:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:11:20,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:11:20,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:11:20,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:11:20,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:11:20,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:11:20,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:11:20,791 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 6 states. [2018-11-28 12:11:20,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:11:20,857 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2018-11-28 12:11:20,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:11:20,858 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-11-28 12:11:20,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:11:20,858 INFO L225 Difference]: With dead ends: 18 [2018-11-28 12:11:20,858 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:11:20,858 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:11:20,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:11:20,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:11:20,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:11:20,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:11:20,859 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-11-28 12:11:20,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:11:20,859 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:11:20,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:11:20,859 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:11:20,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:11:20,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:11:20 BoogieIcfgContainer [2018-11-28 12:11:20,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:11:20,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:11:20,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:11:20,863 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:11:20,864 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:11:20" (3/4) ... [2018-11-28 12:11:20,867 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:11:20,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:11:20,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:11:20,875 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-28 12:11:20,875 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 12:11:20,875 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:11:20,906 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_03bac9d8-9ca0-4ef1-acc9-461bba8395ce/bin-2019/uautomizer/witness.graphml [2018-11-28 12:11:20,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:11:20,907 INFO L168 Benchmark]: Toolchain (without parser) took 1554.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 955.3 MB in the beginning and 967.0 MB in the end (delta: -11.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:11:20,908 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 984.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:11:20,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 955.3 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:11:20,909 INFO L168 Benchmark]: Boogie Preprocessor took 38.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:11:20,909 INFO L168 Benchmark]: RCFGBuilder took 359.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:11:20,909 INFO L168 Benchmark]: TraceAbstraction took 800.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 970.5 MB in the end (delta: 81.9 MB). Peak memory consumption was 81.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:11:20,910 INFO L168 Benchmark]: Witness Printer took 42.93 ms. Allocated memory is still 1.1 GB. Free memory was 970.5 MB in the beginning and 967.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:11:20,912 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 984.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 310.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 955.3 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 359.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 800.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 970.5 MB in the end (delta: 81.9 MB). Peak memory consumption was 81.9 MB. Max. memory is 11.5 GB. * Witness Printer took 42.93 ms. Allocated memory is still 1.1 GB. Free memory was 970.5 MB in the beginning and 967.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 632]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 632]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 639]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 630]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 639]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 630]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 636]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 637]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 637]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 634]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 639]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 634]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 639]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 636]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 620]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 36 locations, 15 error locations. SAFE Result, 0.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 68 SDtfs, 78 SDslu, 71 SDs, 0 SdLazy, 101 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 4479 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...