./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 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/StructInitialization1.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 64d26f08f1705388a8bcbde0799622957ce08f36 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:00:00,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:00:00,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:00:00,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:00:00,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:00:00,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:00:00,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:00:00,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:00:00,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:00:00,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:00:00,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:00:00,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:00:00,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:00:00,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:00:00,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:00:00,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:00:00,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:00:00,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:00:00,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:00:00,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:00:00,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:00:00,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:00:00,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:00:00,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:00:00,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:00:00,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:00:00,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:00:00,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:00:00,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:00:00,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:00:00,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:00:00,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:00:00,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:00:00,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:00:00,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:00:00,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:00:00,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:00:00,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:00:00,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:00:00,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:00:00,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:00:00,326 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 06:00:00,375 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:00:00,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:00:00,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:00:00,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:00:00,378 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:00:00,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:00:00,379 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:00:00,379 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:00:00,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:00:00,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:00:00,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:00:00,381 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:00:00,382 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:00:00,382 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:00:00,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:00:00,383 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:00:00,383 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:00:00,383 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:00:00,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:00:00,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:00:00,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:00:00,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:00:00,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:00:00,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:00:00,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:00:00,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:00:00,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:00:00,386 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:00:00,386 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 -> 64d26f08f1705388a8bcbde0799622957ce08f36 [2020-10-20 06:00:00,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:00:00,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:00:00,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:00:00,652 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:00:00,653 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:00:00,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/StructInitialization1.c [2020-10-20 06:00:00,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b7cc91f0/8680f04ed9c84cdeb58ea92aea060f56/FLAGd13b8995f [2020-10-20 06:00:01,249 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:00:01,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/StructInitialization1.c [2020-10-20 06:00:01,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b7cc91f0/8680f04ed9c84cdeb58ea92aea060f56/FLAGd13b8995f [2020-10-20 06:00:01,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b7cc91f0/8680f04ed9c84cdeb58ea92aea060f56 [2020-10-20 06:00:01,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:00:01,643 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:00:01,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:00:01,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:00:01,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:00:01,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:00:01" (1/1) ... [2020-10-20 06:00:01,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6ddbf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:01, skipping insertion in model container [2020-10-20 06:00:01,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:00:01" (1/1) ... [2020-10-20 06:00:01,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:00:01,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:00:02,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:00:02,103 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:00:02,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:00:02,168 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:00:02,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:02 WrapperNode [2020-10-20 06:00:02,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:00:02,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:00:02,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:00:02,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:00:02,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:02" (1/1) ... [2020-10-20 06:00:02,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:02" (1/1) ... [2020-10-20 06:00:02,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:02" (1/1) ... [2020-10-20 06:00:02,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:02" (1/1) ... [2020-10-20 06:00:02,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:02" (1/1) ... [2020-10-20 06:00:02,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:02" (1/1) ... [2020-10-20 06:00:02,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:02" (1/1) ... [2020-10-20 06:00:02,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:00:02,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:00:02,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:00:02,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:00:02,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:02" (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 [2020-10-20 06:00:02,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:00:02,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:00:02,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:00:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:00:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:00:02,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:00:02,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 06:00:02,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:00:02,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 06:00:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 06:00:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:00:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 06:00:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:00:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:00:03,413 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:00:03,413 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-20 06:00:03,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:00:03 BoogieIcfgContainer [2020-10-20 06:00:03,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:00:03,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:00:03,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:00:03,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:00:03,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:00:01" (1/3) ... [2020-10-20 06:00:03,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5581fb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:00:03, skipping insertion in model container [2020-10-20 06:00:03,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:02" (2/3) ... [2020-10-20 06:00:03,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5581fb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:00:03, skipping insertion in model container [2020-10-20 06:00:03,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:00:03" (3/3) ... [2020-10-20 06:00:03,427 INFO L111 eAbstractionObserver]: Analyzing ICFG StructInitialization1.c [2020-10-20 06:00:03,440 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:00:03,450 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 81 error locations. [2020-10-20 06:00:03,466 INFO L253 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2020-10-20 06:00:03,486 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:00:03,486 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:00:03,486 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:00:03,486 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:00:03,486 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:00:03,486 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:00:03,487 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:00:03,487 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:00:03,508 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-10-20 06:00:03,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-20 06:00:03,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:00:03,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:00:03,521 INFO L429 AbstractCegarLoop]: === Iteration 1 === [mainErr51REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2020-10-20 06:00:03,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:00:03,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1058869513, now seen corresponding path program 1 times [2020-10-20 06:00:03,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:00:03,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469498420] [2020-10-20 06:00:03,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:00:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:00:04,099 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-20 06:00:04,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-20 06:00:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:00:04,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:00:04,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469498420] [2020-10-20 06:00:04,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:00:04,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:00:04,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070661890] [2020-10-20 06:00:04,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 06:00:04,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:00:04,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:00:04,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:00:04,198 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 4 states. [2020-10-20 06:00:05,179 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-20 06:00:05,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:00:05,681 INFO L93 Difference]: Finished difference Result 118 states and 117 transitions. [2020-10-20 06:00:05,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:00:05,684 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-10-20 06:00:05,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:00:05,699 INFO L225 Difference]: With dead ends: 118 [2020-10-20 06:00:05,699 INFO L226 Difference]: Without dead ends: 113 [2020-10-20 06:00:05,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:00:05,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-20 06:00:05,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-10-20 06:00:05,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-20 06:00:05,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 112 transitions. [2020-10-20 06:00:05,760 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 112 transitions. Word has length 6 [2020-10-20 06:00:05,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:00:05,761 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 112 transitions. [2020-10-20 06:00:05,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 06:00:05,762 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 112 transitions. [2020-10-20 06:00:05,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-20 06:00:05,763 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:00:05,763 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:00:05,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 06:00:05,764 INFO L429 AbstractCegarLoop]: === Iteration 2 === [mainErr51REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr76REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr71REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr77REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2020-10-20 06:00:05,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:00:05,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1058869514, now seen corresponding path program 1 times [2020-10-20 06:00:05,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:00:05,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98088537] [2020-10-20 06:00:05,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:00:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:00:06,093 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-20 06:00:06,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-20 06:00:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:00:06,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:00:06,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98088537] [2020-10-20 06:00:06,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:00:06,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:00:06,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830981916] [2020-10-20 06:00:06,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 06:00:06,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:00:06,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:00:06,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:00:06,133 INFO L87 Difference]: Start difference. First operand 113 states and 112 transitions. Second operand 4 states. [2020-10-20 06:00:07,057 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-20 06:00:07,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:00:07,383 INFO L93 Difference]: Finished difference Result 73 states and 72 transitions. [2020-10-20 06:00:07,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:00:07,384 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-10-20 06:00:07,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:00:07,385 INFO L225 Difference]: With dead ends: 73 [2020-10-20 06:00:07,385 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 06:00:07,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:00:07,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 06:00:07,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 06:00:07,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 06:00:07,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 06:00:07,387 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-10-20 06:00:07,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:00:07,388 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:00:07,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 06:00:07,388 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:00:07,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:00:07,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 06:00:07,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:00:07 BoogieIcfgContainer [2020-10-20 06:00:07,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:00:07,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:00:07,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:00:07,396 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:00:07,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:00:03" (3/4) ... [2020-10-20 06:00:07,401 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:00:07,409 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-20 06:00:07,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-20 06:00:07,421 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 106 nodes and edges [2020-10-20 06:00:07,422 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2020-10-20 06:00:07,422 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-10-20 06:00:07,423 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-20 06:00:07,423 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-20 06:00:07,423 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-10-20 06:00:07,495 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:00:07,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:00:07,497 INFO L168 Benchmark]: Toolchain (without parser) took 5870.22 ms. Allocated memory was 44.0 MB in the beginning and 69.7 MB in the end (delta: 25.7 MB). Free memory was 24.3 MB in the beginning and 38.3 MB in the end (delta: -14.0 MB). Peak memory consumption was 11.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:07,498 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 31.5 MB. Free memory is still 9.6 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:00:07,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.46 ms. Allocated memory is still 44.0 MB. Free memory was 23.5 MB in the beginning and 22.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:07,499 INFO L168 Benchmark]: Boogie Preprocessor took 80.76 ms. Allocated memory is still 44.0 MB. Free memory was 22.2 MB in the beginning and 18.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:07,500 INFO L168 Benchmark]: RCFGBuilder took 1160.07 ms. Allocated memory was 44.0 MB in the beginning and 49.3 MB in the end (delta: 5.2 MB). Free memory was 18.1 MB in the beginning and 27.4 MB in the end (delta: -9.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:07,500 INFO L168 Benchmark]: TraceAbstraction took 3977.71 ms. Allocated memory was 49.3 MB in the beginning and 69.7 MB in the end (delta: 20.4 MB). Free memory was 26.6 MB in the beginning and 44.8 MB in the end (delta: -18.2 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:07,501 INFO L168 Benchmark]: Witness Printer took 100.05 ms. Allocated memory is still 69.7 MB. Free memory was 44.8 MB in the beginning and 38.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:07,504 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 31.5 MB. Free memory is still 9.6 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 517.46 ms. Allocated memory is still 44.0 MB. Free memory was 23.5 MB in the beginning and 22.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 80.76 ms. Allocated memory is still 44.0 MB. Free memory was 22.2 MB in the beginning and 18.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1160.07 ms. Allocated memory was 44.0 MB in the beginning and 49.3 MB in the end (delta: 5.2 MB). Free memory was 18.1 MB in the beginning and 27.4 MB in the end (delta: -9.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3977.71 ms. Allocated memory was 49.3 MB in the beginning and 69.7 MB in the end (delta: 20.4 MB). Free memory was 26.6 MB in the beginning and 44.8 MB in the end (delta: -18.2 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * Witness Printer took 100.05 ms. Allocated memory is still 69.7 MB. Free memory was 44.8 MB in the beginning and 38.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 128]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 81 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 159 locations, 81 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 68 SDtfs, 354 SDslu, 5 SDs, 0 SdLazy, 128 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s 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, 0.7s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 1850 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...