./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_22ca3425-7f7c-4763-b0de-e4d57cd48e05/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_22ca3425-7f7c-4763-b0de-e4d57cd48e05/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_22ca3425-7f7c-4763-b0de-e4d57cd48e05/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_22ca3425-7f7c-4763-b0de-e4d57cd48e05/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_22ca3425-7f7c-4763-b0de-e4d57cd48e05/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_22ca3425-7f7c-4763-b0de-e4d57cd48e05/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 40aebfbfcf1ace3ae19699b445fb033c37125741 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:41:54,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:41:54,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:41:54,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:41:54,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:41:54,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:41:54,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:41:54,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:41:54,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:41:54,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:41:54,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:41:54,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:41:54,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:41:54,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:41:54,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:41:54,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:41:54,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:41:54,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:41:54,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:41:54,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:41:54,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:41:54,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:41:54,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:41:54,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:41:54,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:41:54,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:41:54,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:41:54,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:41:54,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:41:54,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:41:54,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:41:54,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:41:54,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:41:54,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:41:54,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:41:54,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:41:54,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:41:54,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:41:54,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:41:54,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:41:54,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:41:54,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_22ca3425-7f7c-4763-b0de-e4d57cd48e05/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-29 18:41:54,553 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:41:54,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:41:54,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:41:54,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:41:54,556 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:41:54,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:41:54,557 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:41:54,557 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:41:54,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:41:54,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:41:54,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:41:54,558 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 18:41:54,558 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 18:41:54,562 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 18:41:54,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:41:54,563 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 18:41:54,563 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:41:54,563 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:41:54,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:41:54,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:41:54,564 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:41:54,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:41:54,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:41:54,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:41:54,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:41:54,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:41:54,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:41:54,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:41:54,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_22ca3425-7f7c-4763-b0de-e4d57cd48e05/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_22ca3425-7f7c-4763-b0de-e4d57cd48e05/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40aebfbfcf1ace3ae19699b445fb033c37125741 [2020-11-29 18:41:54,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:41:54,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:41:54,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:41:54,935 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:41:54,936 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:41:54,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_22ca3425-7f7c-4763-b0de-e4d57cd48e05/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c [2020-11-29 18:41:55,033 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22ca3425-7f7c-4763-b0de-e4d57cd48e05/bin/uautomizer/data/d5323b2d8/04125156380d4821b31fa772c00858cb/FLAGd4cf314de [2020-11-29 18:41:55,639 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:41:55,640 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_22ca3425-7f7c-4763-b0de-e4d57cd48e05/sv-benchmarks/c/ldv-memsafety/StructInitialization2.c [2020-11-29 18:41:55,647 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22ca3425-7f7c-4763-b0de-e4d57cd48e05/bin/uautomizer/data/d5323b2d8/04125156380d4821b31fa772c00858cb/FLAGd4cf314de [2020-11-29 18:41:55,998 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_22ca3425-7f7c-4763-b0de-e4d57cd48e05/bin/uautomizer/data/d5323b2d8/04125156380d4821b31fa772c00858cb [2020-11-29 18:41:56,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:41:56,003 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-29 18:41:56,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:41:56,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:41:56,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:41:56,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:41:55" (1/1) ... [2020-11-29 18:41:56,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101ca22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:56, skipping insertion in model container [2020-11-29 18:41:56,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:41:55" (1/1) ... [2020-11-29 18:41:56,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:41:56,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:41:56,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:41:56,320 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:41:56,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:41:56,401 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:41:56,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:56 WrapperNode [2020-11-29 18:41:56,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:41:56,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:41:56,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:41:56,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:41:56,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:56" (1/1) ... [2020-11-29 18:41:56,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:56" (1/1) ... [2020-11-29 18:41:56,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:56" (1/1) ... [2020-11-29 18:41:56,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:56" (1/1) ... [2020-11-29 18:41:56,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:56" (1/1) ... [2020-11-29 18:41:56,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:56" (1/1) ... [2020-11-29 18:41:56,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:56" (1/1) ... [2020-11-29 18:41:56,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:41:56,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:41:56,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:41:56,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:41:56,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22ca3425-7f7c-4763-b0de-e4d57cd48e05/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 [2020-11-29 18:41:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-29 18:41:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:41:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-29 18:41:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:41:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-29 18:41:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 18:41:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 18:41:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-29 18:41:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:41:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-29 18:41:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:41:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 18:41:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 18:41:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 18:41:57,870 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:41:57,870 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-29 18:41:57,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:41:57 BoogieIcfgContainer [2020-11-29 18:41:57,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:41:57,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:41:57,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:41:57,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:41:57,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:41:55" (1/3) ... [2020-11-29 18:41:57,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65987ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:41:57, skipping insertion in model container [2020-11-29 18:41:57,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:41:56" (2/3) ... [2020-11-29 18:41:57,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65987ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:41:57, skipping insertion in model container [2020-11-29 18:41:57,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:41:57" (3/3) ... [2020-11-29 18:41:57,884 INFO L111 eAbstractionObserver]: Analyzing ICFG StructInitialization2.c [2020-11-29 18:41:57,897 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:41:57,903 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 81 error locations. [2020-11-29 18:41:57,918 INFO L253 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2020-11-29 18:41:57,946 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:41:57,947 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-29 18:41:57,947 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:41:57,947 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:41:57,947 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:41:57,948 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:41:57,948 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:41:57,948 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:41:57,985 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-11-29 18:41:57,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 18:41:57,995 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:41:57,996 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-29 18:41:57,996 INFO L429 AbstractCegarLoop]: === Iteration 1 === [mainErr51REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2020-11-29 18:41:58,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:41:58,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1058869513, now seen corresponding path program 1 times [2020-11-29 18:41:58,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:41:58,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643689622] [2020-11-29 18:41:58,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:41:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:41:58,677 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-11-29 18:41:58,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-29 18:41:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:41:58,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:41:58,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643689622] [2020-11-29 18:41:58,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:41:58,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:41:58,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990904561] [2020-11-29 18:41:58,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:41:58,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:41:58,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:41:58,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:41:58,865 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 4 states. [2020-11-29 18:42:00,014 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-11-29 18:42:00,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:42:00,630 INFO L93 Difference]: Finished difference Result 118 states and 117 transitions. [2020-11-29 18:42:00,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:42:00,635 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-11-29 18:42:00,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:42:00,656 INFO L225 Difference]: With dead ends: 118 [2020-11-29 18:42:00,656 INFO L226 Difference]: Without dead ends: 113 [2020-11-29 18:42:00,658 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:42:00,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-11-29 18:42:00,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-11-29 18:42:00,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-11-29 18:42:00,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 112 transitions. [2020-11-29 18:42:00,735 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 112 transitions. Word has length 6 [2020-11-29 18:42:00,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:42:00,736 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 112 transitions. [2020-11-29 18:42:00,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:42:00,736 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 112 transitions. [2020-11-29 18:42:00,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 18:42:00,737 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:42:00,738 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-29 18:42:00,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:42:00,738 INFO L429 AbstractCegarLoop]: === Iteration 2 === [mainErr51REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2020-11-29 18:42:00,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:42:00,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1058869514, now seen corresponding path program 1 times [2020-11-29 18:42:00,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:42:00,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647658515] [2020-11-29 18:42:00,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:42:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:42:01,357 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-11-29 18:42:01,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-29 18:42:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:42:01,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:42:01,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647658515] [2020-11-29 18:42:01,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:42:01,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:42:01,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559737173] [2020-11-29 18:42:01,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:42:01,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:42:01,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:42:01,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:42:01,420 INFO L87 Difference]: Start difference. First operand 113 states and 112 transitions. Second operand 4 states. [2020-11-29 18:42:02,463 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-11-29 18:42:02,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:42:02,842 INFO L93 Difference]: Finished difference Result 73 states and 72 transitions. [2020-11-29 18:42:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:42:02,843 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-11-29 18:42:02,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:42:02,844 INFO L225 Difference]: With dead ends: 73 [2020-11-29 18:42:02,844 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:42:02,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:42:02,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:42:02,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:42:02,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:42:02,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:42:02,846 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-11-29 18:42:02,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:42:02,846 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:42:02,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:42:02,847 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:42:02,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:42:02,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:42:02,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:42:02 BoogieIcfgContainer [2020-11-29 18:42:02,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:42:02,856 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:42:02,856 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:42:02,856 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:42:02,857 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:41:57" (3/4) ... [2020-11-29 18:42:02,861 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:42:02,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-11-29 18:42:02,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-11-29 18:42:02,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 106 nodes and edges [2020-11-29 18:42:02,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2020-11-29 18:42:02,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-11-29 18:42:02,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 18:42:02,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 18:42:02,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-29 18:42:02,987 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_22ca3425-7f7c-4763-b0de-e4d57cd48e05/bin/uautomizer/witness.graphml [2020-11-29 18:42:02,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:42:02,990 INFO L168 Benchmark]: Toolchain (without parser) took 6985.71 ms. Allocated memory was 83.9 MB in the beginning and 148.9 MB in the end (delta: 65.0 MB). Free memory was 55.0 MB in the beginning and 111.8 MB in the end (delta: -56.8 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:42:02,990 INFO L168 Benchmark]: CDTParser took 0.97 ms. Allocated memory is still 83.9 MB. Free memory is still 43.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:42:02,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.73 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 54.8 MB in the beginning and 78.0 MB in the end (delta: -23.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:42:02,992 INFO L168 Benchmark]: Boogie Preprocessor took 74.95 ms. Allocated memory is still 102.8 MB. Free memory was 78.0 MB in the beginning and 74.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:42:02,993 INFO L168 Benchmark]: RCFGBuilder took 1393.80 ms. Allocated memory is still 102.8 MB. Free memory was 74.2 MB in the beginning and 52.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:42:02,993 INFO L168 Benchmark]: TraceAbstraction took 4980.36 ms. Allocated memory was 102.8 MB in the beginning and 148.9 MB in the end (delta: 46.1 MB). Free memory was 52.2 MB in the beginning and 117.0 MB in the end (delta: -64.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:42:02,994 INFO L168 Benchmark]: Witness Printer took 132.27 ms. Allocated memory is still 148.9 MB. Free memory was 117.0 MB in the beginning and 111.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:42:02,997 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97 ms. Allocated memory is still 83.9 MB. Free memory is still 43.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 396.73 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 54.8 MB in the beginning and 78.0 MB in the end (delta: -23.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.95 ms. Allocated memory is still 102.8 MB. Free memory was 78.0 MB in the beginning and 74.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1393.80 ms. Allocated memory is still 102.8 MB. Free memory was 74.2 MB in the beginning and 52.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4980.36 ms. Allocated memory was 102.8 MB in the beginning and 148.9 MB in the end (delta: 46.1 MB). Free memory was 52.2 MB in the beginning and 117.0 MB in the end (delta: -64.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 132.27 ms. Allocated memory is still 148.9 MB. Free memory was 117.0 MB in the beginning and 111.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 128]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 81 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 159 locations, 81 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 68 SDtfs, 354 SDslu, 5 SDs, 0 SdLazy, 128 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 1850 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...