./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6be9b28c-d66a-4d3a-a58f-5224a7b43eb7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6be9b28c-d66a-4d3a-a58f-5224a7b43eb7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6be9b28c-d66a-4d3a-a58f-5224a7b43eb7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6be9b28c-d66a-4d3a-a58f-5224a7b43eb7/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6be9b28c-d66a-4d3a-a58f-5224a7b43eb7/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6be9b28c-d66a-4d3a-a58f-5224a7b43eb7/bin/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 09aab7ee021274328a236afeda27749aba561ee0 .................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:29,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:29,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:29,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:29,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:29,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:29,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:29,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:29,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:29,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:29,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:29,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:29,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:29,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:29,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:29,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:29,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:29,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:29,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:29,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:29,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:29,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:29,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:29,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:29,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:29,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:29,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:29,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:29,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:29,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:29,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:29,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:29,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:29,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:29,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:29,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:29,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:29,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:29,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:29,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:29,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:29,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6be9b28c-d66a-4d3a-a58f-5224a7b43eb7/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 09:00:29,918 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:29,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:29,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:29,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:29,920 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:29,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:29,921 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:29,921 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:00:29,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:29,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:29,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:29,922 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 09:00:29,922 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 09:00:29,922 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 09:00:29,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:29,922 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:29,922 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:29,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:29,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:29,923 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:29,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:29,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:29,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:29,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:29,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:29,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:29,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6be9b28c-d66a-4d3a-a58f-5224a7b43eb7/bin/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 -> 09aab7ee021274328a236afeda27749aba561ee0 [2019-10-22 09:00:29,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:29,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:29,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:29,966 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:29,966 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:29,967 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6be9b28c-d66a-4d3a-a58f-5224a7b43eb7/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2019-10-22 09:00:30,017 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6be9b28c-d66a-4d3a-a58f-5224a7b43eb7/bin/uautomizer/data/9618c4205/d25477c47ffe4d24ba9cc1ff5bb67bb9/FLAG70d586f63 [2019-10-22 09:00:30,410 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:30,411 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6be9b28c-d66a-4d3a-a58f-5224a7b43eb7/sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2019-10-22 09:00:30,416 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6be9b28c-d66a-4d3a-a58f-5224a7b43eb7/bin/uautomizer/data/9618c4205/d25477c47ffe4d24ba9cc1ff5bb67bb9/FLAG70d586f63 [2019-10-22 09:00:30,427 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6be9b28c-d66a-4d3a-a58f-5224a7b43eb7/bin/uautomizer/data/9618c4205/d25477c47ffe4d24ba9cc1ff5bb67bb9 [2019-10-22 09:00:30,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:30,430 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 09:00:30,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:30,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:30,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:30,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:30" (1/1) ... [2019-10-22 09:00:30,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ae3102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:30, skipping insertion in model container [2019-10-22 09:00:30,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:30" (1/1) ... [2019-10-22 09:00:30,446 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:30,463 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:30,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:30,714 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:30,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:30,743 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:30,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:30 WrapperNode [2019-10-22 09:00:30,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:30,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:30,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:30,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:30,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:30" (1/1) ... [2019-10-22 09:00:30,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:30" (1/1) ... [2019-10-22 09:00:30,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:30" (1/1) ... [2019-10-22 09:00:30,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:30" (1/1) ... [2019-10-22 09:00:30,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:30" (1/1) ... [2019-10-22 09:00:30,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:30" (1/1) ... [2019-10-22 09:00:30,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:30" (1/1) ... [2019-10-22 09:00:30,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:30,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:30,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:30,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:30,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6be9b28c-d66a-4d3a-a58f-5224a7b43eb7/bin/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 [2019-10-22 09:00:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 09:00:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 09:00:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 09:00:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 09:00:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:00:31,067 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:31,068 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-22 09:00:31,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:31 BoogieIcfgContainer [2019-10-22 09:00:31,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:31,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:31,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:31,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:31,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:30" (1/3) ... [2019-10-22 09:00:31,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb211cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:31, skipping insertion in model container [2019-10-22 09:00:31,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:30" (2/3) ... [2019-10-22 09:00:31,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb211cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:31, skipping insertion in model container [2019-10-22 09:00:31,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:31" (3/3) ... [2019-10-22 09:00:31,078 INFO L109 eAbstractionObserver]: Analyzing ICFG StructInitialization.c [2019-10-22 09:00:31,089 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:31,096 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:00:31,104 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:00:31,122 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:31,122 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 09:00:31,123 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:31,123 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:31,123 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:31,124 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:31,124 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:31,124 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:31,139 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-10-22 09:00:31,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 09:00:31,153 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:31,154 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:31,156 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-10-22 09:00:31,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:31,161 INFO L82 PathProgramCache]: Analyzing trace with hash 254106603, now seen corresponding path program 1 times [2019-10-22 09:00:31,167 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:31,168 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678654203] [2019-10-22 09:00:31,168 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:31,168 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:31,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:31,577 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-10-22 09:00:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:31,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:31,628 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678654203] [2019-10-22 09:00:31,629 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:31,629 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:31,629 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296916645] [2019-10-22 09:00:31,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:31,635 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:31,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:31,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:31,652 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2019-10-22 09:00:31,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:31,716 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2019-10-22 09:00:31,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:31,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-10-22 09:00:31,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:31,725 INFO L225 Difference]: With dead ends: 10 [2019-10-22 09:00:31,725 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:00:31,729 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:31,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:00:31,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:00:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:00:31,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:00:31,755 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-10-22 09:00:31,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:31,756 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:00:31,756 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:31,756 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:00:31,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:00:31,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:31 BoogieIcfgContainer [2019-10-22 09:00:31,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:31,762 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:31,762 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:31,763 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:31,765 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:31" (3/4) ... [2019-10-22 09:00:31,769 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:00:31,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-10-22 09:00:31,778 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-10-22 09:00:31,785 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 09:00:31,788 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 09:00:31,788 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 09:00:31,788 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:00:31,789 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:00:31,823 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6be9b28c-d66a-4d3a-a58f-5224a7b43eb7/bin/uautomizer/witness.graphml [2019-10-22 09:00:31,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:31,825 INFO L168 Benchmark]: Toolchain (without parser) took 1394.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 943.2 MB in the beginning and 1.0 GB in the end (delta: -90.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:31,825 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:31,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:31,826 INFO L168 Benchmark]: Boogie Preprocessor took 30.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:31,827 INFO L168 Benchmark]: RCFGBuilder took 294.28 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: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:31,828 INFO L168 Benchmark]: TraceAbstraction took 692.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:31,828 INFO L168 Benchmark]: Witness Printer took 60.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:31,831 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 294.28 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: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 692.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. * Witness Printer took 60.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 93]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 11 locations, 1 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 2 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 630 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...