./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization1.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_568993aa-f3de-415a-9df2-b9fa8161c4bb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_568993aa-f3de-415a-9df2-b9fa8161c4bb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_568993aa-f3de-415a-9df2-b9fa8161c4bb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_568993aa-f3de-415a-9df2-b9fa8161c4bb/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_568993aa-f3de-415a-9df2-b9fa8161c4bb/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_568993aa-f3de-415a-9df2-b9fa8161c4bb/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 64d26f08f1705388a8bcbde0799622957ce08f36 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:58:09,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:58:09,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:58:09,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:58:09,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:58:09,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:58:09,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:58:09,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:58:09,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:58:09,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:58:09,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:58:09,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:58:09,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:58:09,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:58:09,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:58:09,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:58:09,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:58:09,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:58:09,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:58:09,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:58:09,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:58:09,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:58:09,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:58:09,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:58:09,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:58:09,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:58:09,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:58:09,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:58:09,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:58:09,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:58:09,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:58:09,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:58:09,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:58:09,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:58:09,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:58:09,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:58:09,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:58:09,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:58:09,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:58:09,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:58:09,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:58:09,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_568993aa-f3de-415a-9df2-b9fa8161c4bb/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-28 02:58:09,877 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:58:09,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:58:09,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:58:09,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:58:09,884 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:58:09,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:58:09,885 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:58:09,885 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 02:58:09,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:58:09,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:58:09,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:58:09,887 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 02:58:09,887 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 02:58:09,887 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 02:58:09,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:58:09,887 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 02:58:09,888 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:58:09,888 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:58:09,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:58:09,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:58:09,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:58:09,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:58:09,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:58:09,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:58:09,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:58:09,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:58:09,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:58:09,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:58:09,891 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_568993aa-f3de-415a-9df2-b9fa8161c4bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_568993aa-f3de-415a-9df2-b9fa8161c4bb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64d26f08f1705388a8bcbde0799622957ce08f36 [2020-11-28 02:58:10,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:58:10,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:58:10,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:58:10,204 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:58:10,205 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:58:10,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_568993aa-f3de-415a-9df2-b9fa8161c4bb/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/StructInitialization1.c [2020-11-28 02:58:10,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_568993aa-f3de-415a-9df2-b9fa8161c4bb/bin/uautomizer/data/16a4733f1/3a8ab4fbadf94624b53a9beee1fbf3f0/FLAG5e4a2b5fd [2020-11-28 02:58:10,845 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:58:10,846 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_568993aa-f3de-415a-9df2-b9fa8161c4bb/sv-benchmarks/c/ldv-memsafety/StructInitialization1.c [2020-11-28 02:58:10,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_568993aa-f3de-415a-9df2-b9fa8161c4bb/bin/uautomizer/data/16a4733f1/3a8ab4fbadf94624b53a9beee1fbf3f0/FLAG5e4a2b5fd [2020-11-28 02:58:11,224 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_568993aa-f3de-415a-9df2-b9fa8161c4bb/bin/uautomizer/data/16a4733f1/3a8ab4fbadf94624b53a9beee1fbf3f0 [2020-11-28 02:58:11,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:58:11,229 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 02:58:11,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:11,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:58:11,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:58:11,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:11" (1/1) ... [2020-11-28 02:58:11,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694f4a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11, skipping insertion in model container [2020-11-28 02:58:11,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:11" (1/1) ... [2020-11-28 02:58:11,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:58:11,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:58:11,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:11,501 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:58:11,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:11,559 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:58:11,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11 WrapperNode [2020-11-28 02:58:11,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:11,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:58:11,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:58:11,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:58:11,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2020-11-28 02:58:11,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2020-11-28 02:58:11,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2020-11-28 02:58:11,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2020-11-28 02:58:11,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2020-11-28 02:58:11,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2020-11-28 02:58:11,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2020-11-28 02:58:11,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:58:11,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:58:11,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:58:11,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:58:11,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_568993aa-f3de-415a-9df2-b9fa8161c4bb/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 [2020-11-28 02:58:11,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-28 02:58:11,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:58:11,690 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-28 02:58:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:58:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-28 02:58:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 02:58:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 02:58:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-28 02:58:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:58:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-28 02:58:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:58:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 02:58:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 02:58:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 02:58:12,921 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:58:12,923 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-28 02:58:12,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:12 BoogieIcfgContainer [2020-11-28 02:58:12,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:58:12,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:58:12,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:58:12,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:58:12,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:58:11" (1/3) ... [2020-11-28 02:58:12,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5927517c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:12, skipping insertion in model container [2020-11-28 02:58:12,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (2/3) ... [2020-11-28 02:58:12,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5927517c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:12, skipping insertion in model container [2020-11-28 02:58:12,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:12" (3/3) ... [2020-11-28 02:58:12,938 INFO L111 eAbstractionObserver]: Analyzing ICFG StructInitialization1.c [2020-11-28 02:58:12,949 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:58:12,954 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 81 error locations. [2020-11-28 02:58:12,968 INFO L253 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2020-11-28 02:58:13,000 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:58:13,005 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-28 02:58:13,005 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:58:13,006 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:58:13,006 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:58:13,006 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:58:13,006 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:58:13,006 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:58:13,030 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-11-28 02:58:13,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 02:58:13,038 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:13,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-28 02:58:13,039 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]=== [2020-11-28 02:58:13,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:13,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1058869513, now seen corresponding path program 1 times [2020-11-28 02:58:13,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:13,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060485791] [2020-11-28 02:58:13,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:13,620 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-11-28 02:58:13,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-28 02:58:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:13,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:13,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060485791] [2020-11-28 02:58:13,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:13,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:13,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721793594] [2020-11-28 02:58:13,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:58:13,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:13,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:58:13,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:58:13,754 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 4 states. [2020-11-28 02:58:14,699 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-11-28 02:58:15,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:15,215 INFO L93 Difference]: Finished difference Result 118 states and 117 transitions. [2020-11-28 02:58:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:58:15,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-11-28 02:58:15,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:15,228 INFO L225 Difference]: With dead ends: 118 [2020-11-28 02:58:15,228 INFO L226 Difference]: Without dead ends: 113 [2020-11-28 02:58:15,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:15,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-11-28 02:58:15,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-11-28 02:58:15,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-11-28 02:58:15,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 112 transitions. [2020-11-28 02:58:15,295 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 112 transitions. Word has length 6 [2020-11-28 02:58:15,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:15,295 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 112 transitions. [2020-11-28 02:58:15,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:58:15,296 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 112 transitions. [2020-11-28 02:58:15,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 02:58:15,297 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:15,297 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-28 02:58:15,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:58:15,297 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]=== [2020-11-28 02:58:15,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:15,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1058869514, now seen corresponding path program 1 times [2020-11-28 02:58:15,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:15,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274090393] [2020-11-28 02:58:15,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:15,709 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-11-28 02:58:15,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-28 02:58:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:15,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:15,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274090393] [2020-11-28 02:58:15,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:15,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:15,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693094099] [2020-11-28 02:58:15,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:58:15,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:15,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:58:15,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:58:15,758 INFO L87 Difference]: Start difference. First operand 113 states and 112 transitions. Second operand 4 states. [2020-11-28 02:58:16,698 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-11-28 02:58:17,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:17,043 INFO L93 Difference]: Finished difference Result 73 states and 72 transitions. [2020-11-28 02:58:17,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:58:17,044 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-11-28 02:58:17,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:17,044 INFO L225 Difference]: With dead ends: 73 [2020-11-28 02:58:17,044 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:58:17,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:17,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:58:17,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:58:17,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:58:17,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:58:17,046 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-11-28 02:58:17,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:17,046 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:58:17,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:58:17,046 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:58:17,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:58:17,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:58:17,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:58:17 BoogieIcfgContainer [2020-11-28 02:58:17,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:58:17,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:58:17,053 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:58:17,053 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:58:17,054 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:12" (3/4) ... [2020-11-28 02:58:17,059 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:58:17,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-11-28 02:58:17,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-11-28 02:58:17,085 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 106 nodes and edges [2020-11-28 02:58:17,086 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2020-11-28 02:58:17,086 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-11-28 02:58:17,087 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-28 02:58:17,087 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 02:58:17,088 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-28 02:58:17,149 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_568993aa-f3de-415a-9df2-b9fa8161c4bb/bin/uautomizer/witness.graphml [2020-11-28 02:58:17,151 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:58:17,153 INFO L168 Benchmark]: Toolchain (without parser) took 5923.16 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 68.9 MB in the beginning and 55.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 58.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:17,154 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 81.8 MB. Free memory is still 38.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:17,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.56 ms. Allocated memory is still 98.6 MB. Free memory was 68.6 MB in the beginning and 73.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:17,161 INFO L168 Benchmark]: Boogie Preprocessor took 62.38 ms. Allocated memory is still 98.6 MB. Free memory was 73.6 MB in the beginning and 70.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:17,162 INFO L168 Benchmark]: RCFGBuilder took 1303.91 ms. Allocated memory is still 98.6 MB. Free memory was 69.8 MB in the beginning and 72.7 MB in the end (delta: -2.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:17,163 INFO L168 Benchmark]: TraceAbstraction took 4122.21 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 72.2 MB in the beginning and 60.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 58.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:17,164 INFO L168 Benchmark]: Witness Printer took 98.79 ms. Allocated memory is still 144.7 MB. Free memory was 60.4 MB in the beginning and 55.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:17,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 81.8 MB. Free memory is still 38.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 324.56 ms. Allocated memory is still 98.6 MB. Free memory was 68.6 MB in the beginning and 73.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.38 ms. Allocated memory is still 98.6 MB. Free memory was 73.6 MB in the beginning and 70.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1303.91 ms. Allocated memory is still 98.6 MB. Free memory was 69.8 MB in the beginning and 72.7 MB in the end (delta: -2.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4122.21 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 72.2 MB in the beginning and 60.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 58.4 MB. Max. memory is 16.1 GB. * Witness Printer took 98.79 ms. Allocated memory is still 144.7 MB. Free memory was 60.4 MB in the beginning and 55.2 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: 4.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 2.7s, 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, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s 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, 0.8s 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...