./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40aebfbfcf1ace3ae19699b445fb033c37125741 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:37:51,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:37:51,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:37:51,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:37:51,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:37:51,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:37:51,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:37:51,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:37:51,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:37:51,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:37:51,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:37:51,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:37:51,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:37:51,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:37:51,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:37:51,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:37:51,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:37:51,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:37:51,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:37:51,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:37:51,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:37:51,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:37:51,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:37:51,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:37:51,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:37:51,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:37:51,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:37:51,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:37:51,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:37:51,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:37:51,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:37:51,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:37:51,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:37:51,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:37:51,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:37:51,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:37:51,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:37:51,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:37:51,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:37:51,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:37:51,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:37:51,575 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:37:51,592 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:37:51,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:37:51,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:37:51,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:37:51,594 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:37:51,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:37:51,595 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:37:51,598 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:37:51,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:37:51,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:37:51,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:37:51,599 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:37:51,599 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:37:51,599 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:37:51,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:37:51,600 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:37:51,600 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:37:51,600 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:37:51,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:37:51,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:37:51,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:37:51,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:37:51,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:37:51,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:37:51,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:37:51,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:37:51,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:37:51,604 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40aebfbfcf1ace3ae19699b445fb033c37125741 [2019-11-28 02:37:51,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:37:51,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:37:51,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:37:51,951 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:37:51,951 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:37:51,952 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c [2019-11-28 02:37:52,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fef197a36/6f9d4d771a524ebcb5272fa03cad3c20/FLAG2109be0e4 [2019-11-28 02:37:52,520 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:37:52,521 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/StructInitialization2.c [2019-11-28 02:37:52,534 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fef197a36/6f9d4d771a524ebcb5272fa03cad3c20/FLAG2109be0e4 [2019-11-28 02:37:52,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fef197a36/6f9d4d771a524ebcb5272fa03cad3c20 [2019-11-28 02:37:52,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:37:52,916 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:37:52,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:37:52,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:37:52,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:37:52,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:37:52" (1/1) ... [2019-11-28 02:37:52,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65159f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:52, skipping insertion in model container [2019-11-28 02:37:52,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:37:52" (1/1) ... [2019-11-28 02:37:52,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:37:52,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:37:53,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:37:53,217 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:37:53,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:37:53,345 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:37:53,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:53 WrapperNode [2019-11-28 02:37:53,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:37:53,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:37:53,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:37:53,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:37:53,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:53" (1/1) ... [2019-11-28 02:37:53,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:53" (1/1) ... [2019-11-28 02:37:53,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:53" (1/1) ... [2019-11-28 02:37:53,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:53" (1/1) ... [2019-11-28 02:37:53,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:53" (1/1) ... [2019-11-28 02:37:53,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:53" (1/1) ... [2019-11-28 02:37:53,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:53" (1/1) ... [2019-11-28 02:37:53,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:37:53,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:37:53,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:37:53,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:37:53,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 02:37:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:37:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:37:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:37:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:37:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:37:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 02:37:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 02:37:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:37:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 02:37:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 02:37:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:37:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 02:37:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 02:37:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:37:54,312 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:37:54,312 INFO L297 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-28 02:37:54,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:37:54 BoogieIcfgContainer [2019-11-28 02:37:54,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:37:54,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:37:54,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:37:54,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:37:54,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:37:52" (1/3) ... [2019-11-28 02:37:54,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6798f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:37:54, skipping insertion in model container [2019-11-28 02:37:54,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:37:53" (2/3) ... [2019-11-28 02:37:54,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6798f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:37:54, skipping insertion in model container [2019-11-28 02:37:54,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:37:54" (3/3) ... [2019-11-28 02:37:54,331 INFO L109 eAbstractionObserver]: Analyzing ICFG StructInitialization2.c [2019-11-28 02:37:54,342 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:37:54,353 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 81 error locations. [2019-11-28 02:37:54,367 INFO L249 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2019-11-28 02:37:54,386 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:37:54,386 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:37:54,386 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:37:54,386 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:37:54,386 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:37:54,387 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:37:54,387 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:37:54,387 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:37:54,411 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2019-11-28 02:37:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-28 02:37:54,419 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:37:54,420 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-28 02:37:54,421 INFO L410 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]=== [2019-11-28 02:37:54,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:37:54,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1058869513, now seen corresponding path program 1 times [2019-11-28 02:37:54,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:37:54,437 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651970618] [2019-11-28 02:37:54,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:37:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:37:55,100 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-28 02:37:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:37:55,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:37:55,207 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651970618] [2019-11-28 02:37:55,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:37:55,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 02:37:55,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873725064] [2019-11-28 02:37:55,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:37:55,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:37:55,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:37:55,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:37:55,244 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 4 states. [2019-11-28 02:37:55,572 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-28 02:37:56,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:37:56,125 INFO L93 Difference]: Finished difference Result 118 states and 117 transitions. [2019-11-28 02:37:56,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:37:56,132 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-28 02:37:56,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:37:56,152 INFO L225 Difference]: With dead ends: 118 [2019-11-28 02:37:56,153 INFO L226 Difference]: Without dead ends: 113 [2019-11-28 02:37:56,157 INFO L630 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 [2019-11-28 02:37:56,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-28 02:37:56,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-28 02:37:56,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-28 02:37:56,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 112 transitions. [2019-11-28 02:37:56,232 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 112 transitions. Word has length 6 [2019-11-28 02:37:56,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:37:56,233 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 112 transitions. [2019-11-28 02:37:56,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:37:56,234 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 112 transitions. [2019-11-28 02:37:56,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-28 02:37:56,235 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:37:56,235 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-28 02:37:56,236 INFO L410 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]=== [2019-11-28 02:37:56,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:37:56,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1058869514, now seen corresponding path program 1 times [2019-11-28 02:37:56,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:37:56,237 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465215103] [2019-11-28 02:37:56,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:37:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:37:56,557 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-28 02:37:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:37:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:37:56,602 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465215103] [2019-11-28 02:37:56,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:37:56,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 02:37:56,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905654756] [2019-11-28 02:37:56,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:37:56,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:37:56,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:37:56,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:37:56,606 INFO L87 Difference]: Start difference. First operand 113 states and 112 transitions. Second operand 4 states. [2019-11-28 02:37:56,901 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-28 02:37:57,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:37:57,212 INFO L93 Difference]: Finished difference Result 73 states and 72 transitions. [2019-11-28 02:37:57,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:37:57,213 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-28 02:37:57,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:37:57,214 INFO L225 Difference]: With dead ends: 73 [2019-11-28 02:37:57,214 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 02:37:57,215 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:37:57,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 02:37:57,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 02:37:57,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 02:37:57,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 02:37:57,217 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-11-28 02:37:57,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:37:57,217 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:37:57,217 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:37:57,218 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 02:37:57,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 02:37:57,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:37:57 BoogieIcfgContainer [2019-11-28 02:37:57,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:37:57,226 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:37:57,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:37:57,227 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:37:57,227 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:37:54" (3/4) ... [2019-11-28 02:37:57,231 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 02:37:57,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-28 02:37:57,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-28 02:37:57,263 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 106 nodes and edges [2019-11-28 02:37:57,265 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2019-11-28 02:37:57,265 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 02:37:57,266 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 02:37:57,270 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 02:37:57,270 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 02:37:57,393 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:37:57,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:37:57,395 INFO L168 Benchmark]: Toolchain (without parser) took 4480.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.2 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:57,396 INFO L168 Benchmark]: CDTParser took 1.64 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:37:57,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:57,397 INFO L168 Benchmark]: Boogie Preprocessor took 66.06 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:57,397 INFO L168 Benchmark]: RCFGBuilder took 903.58 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: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:57,398 INFO L168 Benchmark]: TraceAbstraction took 2908.39 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -57.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:57,398 INFO L168 Benchmark]: Witness Printer took 167.67 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: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:37:57,401 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.64 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 427.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.06 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 903.58 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: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2908.39 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -57.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Witness Printer took 167.67 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: 7.8 MB). Peak memory consumption was 7.8 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: 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. Result: SAFE, OverallTime: 2.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 68 SDtfs, 354 SDslu, 5 SDs, 0 SdLazy, 128 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...