./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96ca739-5566-4a65-932e-297a2e69ec32/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96ca739-5566-4a65-932e-297a2e69ec32/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96ca739-5566-4a65-932e-297a2e69ec32/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96ca739-5566-4a65-932e-297a2e69ec32/bin/uautomizer-Z5i5R5N3CC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96ca739-5566-4a65-932e-297a2e69ec32/bin/uautomizer-Z5i5R5N3CC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96ca739-5566-4a65-932e-297a2e69ec32/bin/uautomizer-Z5i5R5N3CC --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 0.2.0-7b2dab5 [2021-10-11 00:31:38,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:31:38,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:31:38,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:31:38,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:31:38,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:31:38,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:31:38,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:31:38,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:31:38,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:31:38,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:31:38,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:31:38,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:31:38,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:31:38,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:31:38,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:31:38,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:31:38,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:31:38,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:31:38,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:31:38,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:31:38,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:31:38,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:31:38,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:31:38,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:31:38,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:31:38,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:31:38,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:31:38,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:31:38,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:31:38,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:31:38,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:31:38,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:31:38,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:31:38,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:31:38,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:31:38,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:31:38,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:31:38,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:31:38,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:31:38,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:31:38,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96ca739-5566-4a65-932e-297a2e69ec32/bin/uautomizer-Z5i5R5N3CC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-11 00:31:38,844 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:31:38,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:31:38,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:31:38,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:31:38,847 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:31:38,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:31:38,847 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:31:38,848 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:31:38,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:31:38,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:31:38,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:31:38,849 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 00:31:38,849 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 00:31:38,849 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 00:31:38,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:31:38,850 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 00:31:38,850 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:31:38,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:31:38,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:31:38,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:31:38,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:31:38,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:31:38,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:31:38,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:31:38,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:31:38,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:31:38,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:31:38,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96ca739-5566-4a65-932e-297a2e69ec32/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96ca739-5566-4a65-932e-297a2e69ec32/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09aab7ee021274328a236afeda27749aba561ee0 [2021-10-11 00:31:39,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:31:39,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:31:39,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:31:39,156 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:31:39,159 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:31:39,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96ca739-5566-4a65-932e-297a2e69ec32/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2021-10-11 00:31:39,243 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96ca739-5566-4a65-932e-297a2e69ec32/bin/uautomizer-Z5i5R5N3CC/data/36f0d39e6/221363441e6747c0ac9631703c748925/FLAGc09ca92b2 [2021-10-11 00:31:39,715 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:31:39,716 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96ca739-5566-4a65-932e-297a2e69ec32/sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2021-10-11 00:31:39,723 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96ca739-5566-4a65-932e-297a2e69ec32/bin/uautomizer-Z5i5R5N3CC/data/36f0d39e6/221363441e6747c0ac9631703c748925/FLAGc09ca92b2 [2021-10-11 00:31:40,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96ca739-5566-4a65-932e-297a2e69ec32/bin/uautomizer-Z5i5R5N3CC/data/36f0d39e6/221363441e6747c0ac9631703c748925 [2021-10-11 00:31:40,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:31:40,092 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-11 00:31:40,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:40,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:31:40,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:31:40,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:40" (1/1) ... [2021-10-11 00:31:40,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61f3c998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:40, skipping insertion in model container [2021-10-11 00:31:40,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:40" (1/1) ... [2021-10-11 00:31:40,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:31:40,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:31:40,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:40,400 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:31:40,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:40,439 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:31:40,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:40 WrapperNode [2021-10-11 00:31:40,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:40,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:31:40,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:31:40,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:31:40,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:40" (1/1) ... [2021-10-11 00:31:40,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:40" (1/1) ... [2021-10-11 00:31:40,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:40" (1/1) ... [2021-10-11 00:31:40,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:40" (1/1) ... [2021-10-11 00:31:40,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:40" (1/1) ... [2021-10-11 00:31:40,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:40" (1/1) ... [2021-10-11 00:31:40,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:40" (1/1) ... [2021-10-11 00:31:40,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:31:40,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:31:40,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:31:40,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:31:40,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:40" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96ca739-5566-4a65-932e-297a2e69ec32/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:31:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-11 00:31:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:31:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-11 00:31:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:31:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-11 00:31:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-11 00:31:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:31:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:31:40,983 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:31:40,987 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-10-11 00:31:40,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:40 BoogieIcfgContainer [2021-10-11 00:31:40,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:31:40,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:31:40,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:31:40,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:31:40,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:31:40" (1/3) ... [2021-10-11 00:31:40,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7768c5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:40, skipping insertion in model container [2021-10-11 00:31:41,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:40" (2/3) ... [2021-10-11 00:31:41,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7768c5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:41, skipping insertion in model container [2021-10-11 00:31:41,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:40" (3/3) ... [2021-10-11 00:31:41,002 INFO L111 eAbstractionObserver]: Analyzing ICFG StructInitialization.c [2021-10-11 00:31:41,017 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:31:41,020 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:31:41,032 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:31:41,065 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:31:41,065 INFO L378 AbstractCegarLoop]: Hoare is false [2021-10-11 00:31:41,066 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:31:41,066 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:31:41,067 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:31:41,067 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:31:41,067 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:31:41,067 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:31:41,082 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2021-10-11 00:31:41,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 00:31:41,092 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:41,093 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:41,093 INFO L429 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2021-10-11 00:31:41,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:41,101 INFO L82 PathProgramCache]: Analyzing trace with hash 254106603, now seen corresponding path program 1 times [2021-10-11 00:31:41,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:41,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633052491] [2021-10-11 00:31:41,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:41,493 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-10-11 00:31:41,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-10-11 00:31:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:41,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:41,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633052491] [2021-10-11 00:31:41,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:41,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:31:41,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126586343] [2021-10-11 00:31:41,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:41,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:41,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:41,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:41,574 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2021-10-11 00:31:41,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:41,615 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2021-10-11 00:31:41,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:41,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2021-10-11 00:31:41,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:41,622 INFO L225 Difference]: With dead ends: 10 [2021-10-11 00:31:41,623 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:31:41,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:41,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:31:41,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:31:41,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:31:41,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:31:41,647 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2021-10-11 00:31:41,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:41,648 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:31:41,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:41,648 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:31:41,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:31:41,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:31:41,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:31:41 BoogieIcfgContainer [2021-10-11 00:31:41,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:31:41,654 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:31:41,654 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:31:41,654 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:31:41,654 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:40" (3/4) ... [2021-10-11 00:31:41,657 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:31:41,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2021-10-11 00:31:41,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2021-10-11 00:31:41,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-10-11 00:31:41,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:31:41,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:31:41,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:31:41,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:41,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:41,696 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a96ca739-5566-4a65-932e-297a2e69ec32/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:31:41,697 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:31:41,698 INFO L168 Benchmark]: Toolchain (without parser) took 1605.27 ms. Allocated memory is still 125.8 MB. Free memory was 89.8 MB in the beginning and 92.7 MB in the end (delta: -2.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:41,699 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 125.8 MB. Free memory was 105.8 MB in the beginning and 105.8 MB in the end (delta: 71.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:41,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.05 ms. Allocated memory is still 125.8 MB. Free memory was 89.6 MB in the beginning and 101.6 MB in the end (delta: -12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:41,700 INFO L168 Benchmark]: Boogie Preprocessor took 63.95 ms. Allocated memory is still 125.8 MB. Free memory was 101.6 MB in the beginning and 99.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:41,701 INFO L168 Benchmark]: RCFGBuilder took 481.90 ms. Allocated memory is still 125.8 MB. Free memory was 99.6 MB in the beginning and 86.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:41,701 INFO L168 Benchmark]: TraceAbstraction took 660.46 ms. Allocated memory is still 125.8 MB. Free memory was 86.2 MB in the beginning and 94.8 MB in the end (delta: -8.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:41,702 INFO L168 Benchmark]: Witness Printer took 43.19 ms. Allocated memory is still 125.8 MB. Free memory was 94.8 MB in the beginning and 92.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:41,705 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 125.8 MB. Free memory was 105.8 MB in the beginning and 105.8 MB in the end (delta: 71.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 346.05 ms. Allocated memory is still 125.8 MB. Free memory was 89.6 MB in the beginning and 101.6 MB in the end (delta: -12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.95 ms. Allocated memory is still 125.8 MB. Free memory was 101.6 MB in the beginning and 99.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 481.90 ms. Allocated memory is still 125.8 MB. Free memory was 99.6 MB in the beginning and 86.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 660.46 ms. Allocated memory is still 125.8 MB. Free memory was 86.2 MB in the beginning and 94.8 MB in the end (delta: -8.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 43.19 ms. Allocated memory is still 125.8 MB. Free memory was 94.8 MB in the beginning and 92.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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, 0.1s 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, 0.2s 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...