./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bd5f8963-09be-4109-a1dd-51afde27a50a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bd5f8963-09be-4109-a1dd-51afde27a50a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bd5f8963-09be-4109-a1dd-51afde27a50a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bd5f8963-09be-4109-a1dd-51afde27a50a/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bd5f8963-09be-4109-a1dd-51afde27a50a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bd5f8963-09be-4109-a1dd-51afde27a50a/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 0.1.24-cad4683 [2019-11-16 00:18:16,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:18:16,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:18:16,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:18:16,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:18:16,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:18:16,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:18:16,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:18:16,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:18:16,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:18:16,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:18:16,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:18:16,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:18:16,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:18:16,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:18:16,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:18:16,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:18:16,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:18:16,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:18:16,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:18:16,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:18:16,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:18:16,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:18:16,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:18:16,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:18:16,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:18:16,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:18:16,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:18:16,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:18:16,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:18:16,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:18:16,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:18:16,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:18:16,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:18:16,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:18:16,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:18:16,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:18:16,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:18:16,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:18:16,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:18:16,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:18:16,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bd5f8963-09be-4109-a1dd-51afde27a50a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-16 00:18:16,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:18:16,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:18:16,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:18:16,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:18:16,203 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:18:16,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:18:16,204 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:18:16,204 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:18:16,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:18:16,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:18:16,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:18:16,207 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 00:18:16,207 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 00:18:16,207 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 00:18:16,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:18:16,208 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:18:16,208 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:18:16,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:18:16,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:18:16,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:18:16,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:18:16,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:18:16,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:18:16,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:18:16,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:18:16,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:18:16,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bd5f8963-09be-4109-a1dd-51afde27a50a/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 [2019-11-16 00:18:16,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:18:16,282 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:18:16,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:18:16,288 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:18:16,288 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:18:16,289 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bd5f8963-09be-4109-a1dd-51afde27a50a/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/StructInitialization1.c [2019-11-16 00:18:16,350 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bd5f8963-09be-4109-a1dd-51afde27a50a/bin/uautomizer/data/a7035502d/4754d39b9b804361a1e34a7c210df7cc/FLAG07762654d [2019-11-16 00:18:16,850 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:18:16,851 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bd5f8963-09be-4109-a1dd-51afde27a50a/sv-benchmarks/c/ldv-memsafety/StructInitialization1.c [2019-11-16 00:18:16,865 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bd5f8963-09be-4109-a1dd-51afde27a50a/bin/uautomizer/data/a7035502d/4754d39b9b804361a1e34a7c210df7cc/FLAG07762654d [2019-11-16 00:18:17,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bd5f8963-09be-4109-a1dd-51afde27a50a/bin/uautomizer/data/a7035502d/4754d39b9b804361a1e34a7c210df7cc [2019-11-16 00:18:17,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:18:17,166 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-16 00:18:17,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:18:17,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:18:17,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:18:17,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:18:17" (1/1) ... [2019-11-16 00:18:17,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6d2bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:17, skipping insertion in model container [2019-11-16 00:18:17,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:18:17" (1/1) ... [2019-11-16 00:18:17,189 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:18:17,217 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:18:17,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:18:17,637 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:18:17,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:18:17,726 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:18:17,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:17 WrapperNode [2019-11-16 00:18:17,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:18:17,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:18:17,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:18:17,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:18:17,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:17" (1/1) ... [2019-11-16 00:18:17,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:17" (1/1) ... [2019-11-16 00:18:17,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:17" (1/1) ... [2019-11-16 00:18:17,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:17" (1/1) ... [2019-11-16 00:18:17,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:17" (1/1) ... [2019-11-16 00:18:17,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:17" (1/1) ... [2019-11-16 00:18:17,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:17" (1/1) ... [2019-11-16 00:18:17,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:18:17,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:18:17,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:18:17,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:18:17,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd5f8963-09be-4109-a1dd-51afde27a50a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:18:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-16 00:18:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:18:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-16 00:18:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:18:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-16 00:18:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-16 00:18:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-16 00:18:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-16 00:18:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-16 00:18:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-16 00:18:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:18:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-16 00:18:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:18:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:18:18,727 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:18:18,727 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-16 00:18:18,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:18:18 BoogieIcfgContainer [2019-11-16 00:18:18,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:18:18,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:18:18,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:18:18,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:18:18,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:18:17" (1/3) ... [2019-11-16 00:18:18,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22cd01a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:18:18, skipping insertion in model container [2019-11-16 00:18:18,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:17" (2/3) ... [2019-11-16 00:18:18,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22cd01a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:18:18, skipping insertion in model container [2019-11-16 00:18:18,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:18:18" (3/3) ... [2019-11-16 00:18:18,738 INFO L109 eAbstractionObserver]: Analyzing ICFG StructInitialization1.c [2019-11-16 00:18:18,749 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:18:18,759 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 81 error locations. [2019-11-16 00:18:18,772 INFO L249 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2019-11-16 00:18:18,799 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:18:18,799 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-16 00:18:18,800 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:18:18,800 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:18:18,800 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:18:18,800 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:18:18,800 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:18:18,801 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:18:18,836 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2019-11-16 00:18:18,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-16 00:18:18,848 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:18:18,848 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-16 00:18:18,850 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr73REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION]=== [2019-11-16 00:18:18,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:18:18,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1058869513, now seen corresponding path program 1 times [2019-11-16 00:18:18,867 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:18:18,867 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997167740] [2019-11-16 00:18:18,868 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:18,868 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:18,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:18:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:18:19,594 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-16 00:18:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:18:19,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:18:19,720 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997167740] [2019-11-16 00:18:19,722 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:18:19,722 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:18:19,723 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119928088] [2019-11-16 00:18:19,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:18:19,728 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:18:19,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:18:19,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:18:19,747 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 4 states. [2019-11-16 00:18:20,136 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-16 00:18:20,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:18:20,723 INFO L93 Difference]: Finished difference Result 118 states and 117 transitions. [2019-11-16 00:18:20,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:18:20,726 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-16 00:18:20,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:18:20,745 INFO L225 Difference]: With dead ends: 118 [2019-11-16 00:18:20,745 INFO L226 Difference]: Without dead ends: 113 [2019-11-16 00:18:20,750 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:18:20,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-16 00:18:20,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-16 00:18:20,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-16 00:18:20,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 112 transitions. [2019-11-16 00:18:20,798 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 112 transitions. Word has length 6 [2019-11-16 00:18:20,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:18:20,798 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 112 transitions. [2019-11-16 00:18:20,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:18:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 112 transitions. [2019-11-16 00:18:20,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-16 00:18:20,799 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:18:20,799 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-16 00:18:20,800 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr73REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr51REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION]=== [2019-11-16 00:18:20,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:18:20,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1058869514, now seen corresponding path program 1 times [2019-11-16 00:18:20,801 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:18:20,801 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041212113] [2019-11-16 00:18:20,801 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:20,801 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:20,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:18:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:18:21,259 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-16 00:18:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:18:21,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:18:21,337 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041212113] [2019-11-16 00:18:21,337 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:18:21,337 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:18:21,338 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659174635] [2019-11-16 00:18:21,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:18:21,340 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:18:21,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:18:21,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:18:21,340 INFO L87 Difference]: Start difference. First operand 113 states and 112 transitions. Second operand 4 states. [2019-11-16 00:18:21,663 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-16 00:18:21,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:18:21,973 INFO L93 Difference]: Finished difference Result 73 states and 72 transitions. [2019-11-16 00:18:21,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:18:21,974 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-16 00:18:21,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:18:21,974 INFO L225 Difference]: With dead ends: 73 [2019-11-16 00:18:21,975 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:18:21,975 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:18:21,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:18:21,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:18:21,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:18:21,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:18:21,976 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-11-16 00:18:21,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:18:21,976 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:18:21,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:18:21,977 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:18:21,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:18:21,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:18:21 BoogieIcfgContainer [2019-11-16 00:18:21,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:18:21,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:18:21,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:18:21,985 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:18:21,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:18:18" (3/4) ... [2019-11-16 00:18:21,990 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:18:21,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-16 00:18:21,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-16 00:18:22,010 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 106 nodes and edges [2019-11-16 00:18:22,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-16 00:18:22,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-16 00:18:22,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-16 00:18:22,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-16 00:18:22,013 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-16 00:18:22,101 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bd5f8963-09be-4109-a1dd-51afde27a50a/bin/uautomizer/witness.graphml [2019-11-16 00:18:22,102 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:18:22,104 INFO L168 Benchmark]: Toolchain (without parser) took 4938.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 946.2 MB in the beginning and 965.9 MB in the end (delta: -19.7 MB). Peak memory consumption was 110.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:22,105 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:18:22,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:22,108 INFO L168 Benchmark]: Boogie Preprocessor took 100.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:22,109 INFO L168 Benchmark]: RCFGBuilder took 901.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:22,117 INFO L168 Benchmark]: TraceAbstraction took 3253.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.8 MB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:22,119 INFO L168 Benchmark]: Witness Printer took 118.49 ms. Allocated memory is still 1.2 GB. Free memory was 972.8 MB in the beginning and 965.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:22,121 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 554.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 100.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 901.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3253.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.8 MB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. * Witness Printer took 118.49 ms. Allocated memory is still 1.2 GB. Free memory was 972.8 MB in the beginning and 965.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 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: 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: 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 - 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. Result: SAFE, OverallTime: 3.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 68 SDtfs, 354 SDslu, 5 SDs, 0 SdLazy, 128 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...