./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/StructInitialization.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e19ca921 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_1.5.800.v20200727-1323.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/StructInitialization.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 e0af411cbe463e50d2f658cbef67da9cc6723e28c1262169ce3b6aa7303dfb51 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 00:07:22,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 00:07:22,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 00:07:22,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 00:07:22,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 00:07:22,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 00:07:22,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 00:07:22,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 00:07:22,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 00:07:22,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 00:07:22,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 00:07:22,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 00:07:22,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 00:07:22,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 00:07:22,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 00:07:22,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 00:07:22,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 00:07:22,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 00:07:22,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 00:07:22,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 00:07:22,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 00:07:22,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 00:07:22,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 00:07:22,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 00:07:22,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 00:07:22,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 00:07:22,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 00:07:22,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 00:07:22,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 00:07:22,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 00:07:22,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 00:07:22,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 00:07:22,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 00:07:22,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 00:07:22,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 00:07:22,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 00:07:22,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 00:07:22,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 00:07:22,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 00:07:22,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 00:07:22,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 00:07:22,253 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-22 00:07:22,276 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 00:07:22,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 00:07:22,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 00:07:22,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 00:07:22,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 00:07:22,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 00:07:22,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 00:07:22,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 00:07:22,283 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 00:07:22,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 00:07:22,284 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 00:07:22,284 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 00:07:22,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 00:07:22,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 00:07:22,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 00:07:22,285 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-22 00:07:22,285 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-22 00:07:22,285 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-22 00:07:22,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 00:07:22,286 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 00:07:22,286 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 00:07:22,286 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 00:07:22,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 00:07:22,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 00:07:22,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 00:07:22,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 00:07:22,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 00:07:22,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 00:07:22,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 00:07:22,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 00:07:22,289 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 00:07:22,289 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0af411cbe463e50d2f658cbef67da9cc6723e28c1262169ce3b6aa7303dfb51 [2021-12-22 00:07:22,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 00:07:22,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 00:07:22,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 00:07:22,546 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 00:07:22,547 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 00:07:22,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2021-12-22 00:07:22,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2580d008/98c692b2698c48afa920a90c13b05669/FLAGbc31ce5a2 [2021-12-22 00:07:23,041 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 00:07:23,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2021-12-22 00:07:23,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2580d008/98c692b2698c48afa920a90c13b05669/FLAGbc31ce5a2 [2021-12-22 00:07:23,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2580d008/98c692b2698c48afa920a90c13b05669 [2021-12-22 00:07:23,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 00:07:23,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 00:07:23,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 00:07:23,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 00:07:23,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 00:07:23,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:07:23" (1/1) ... [2021-12-22 00:07:23,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e35ba9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:07:23, skipping insertion in model container [2021-12-22 00:07:23,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:07:23" (1/1) ... [2021-12-22 00:07:23,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 00:07:23,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 00:07:23,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 00:07:23,646 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 00:07:23,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 00:07:23,691 INFO L208 MainTranslator]: Completed translation [2021-12-22 00:07:23,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:07:23 WrapperNode [2021-12-22 00:07:23,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 00:07:23,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 00:07:23,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 00:07:23,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 00:07:23,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:07:23" (1/1) ... [2021-12-22 00:07:23,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:07:23" (1/1) ... [2021-12-22 00:07:23,719 INFO L137 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2021-12-22 00:07:23,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 00:07:23,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 00:07:23,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 00:07:23,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 00:07:23,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:07:23" (1/1) ... [2021-12-22 00:07:23,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:07:23" (1/1) ... [2021-12-22 00:07:23,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:07:23" (1/1) ... [2021-12-22 00:07:23,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:07:23" (1/1) ... [2021-12-22 00:07:23,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:07:23" (1/1) ... [2021-12-22 00:07:23,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:07:23" (1/1) ... [2021-12-22 00:07:23,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:07:23" (1/1) ... [2021-12-22 00:07:23,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 00:07:23,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 00:07:23,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 00:07:23,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 00:07:23,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:07:23" (1/1) ... [2021-12-22 00:07:23,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 00:07:23,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 00:07:23,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 00:07:23,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 00:07:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 00:07:23,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 00:07:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 00:07:23,864 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 00:07:23,865 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 00:07:23,945 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 00:07:23,951 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 00:07:23,951 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 00:07:23,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 12:07:23 BoogieIcfgContainer [2021-12-22 00:07:23,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 00:07:23,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 00:07:23,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 00:07:23,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 00:07:23,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 12:07:23" (1/3) ... [2021-12-22 00:07:23,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e97a85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 12:07:23, skipping insertion in model container [2021-12-22 00:07:23,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:07:23" (2/3) ... [2021-12-22 00:07:23,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e97a85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 12:07:23, skipping insertion in model container [2021-12-22 00:07:23,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 12:07:23" (3/3) ... [2021-12-22 00:07:23,960 INFO L111 eAbstractionObserver]: Analyzing ICFG StructInitialization.c [2021-12-22 00:07:23,964 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 00:07:23,964 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 00:07:24,000 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 00:07:24,006 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 00:07:24,006 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 00:07:24,016 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 00:07:24,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-12-22 00:07:24,035 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 00:07:24,036 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-12-22 00:07:24,036 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-12-22 00:07:24,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 00:07:24,041 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2021-12-22 00:07:24,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 00:07:24,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455304094] [2021-12-22 00:07:24,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 00:07:24,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 00:07:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 00:07:24,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 00:07:24,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 00:07:24,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455304094] [2021-12-22 00:07:24,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455304094] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 00:07:24,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 00:07:24,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 00:07:24,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466911676] [2021-12-22 00:07:24,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 00:07:24,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 00:07:24,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 00:07:24,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 00:07:24,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 00:07:24,320 INFO L87 Difference]: Start difference. First operand has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 00:07:24,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 00:07:24,333 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2021-12-22 00:07:24,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 00:07:24,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-12-22 00:07:24,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 00:07:24,340 INFO L225 Difference]: With dead ends: 5 [2021-12-22 00:07:24,340 INFO L226 Difference]: Without dead ends: 0 [2021-12-22 00:07:24,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 00:07:24,345 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 00:07:24,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 3 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 00:07:24,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-22 00:07:24,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-22 00:07:24,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 00:07:24,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 00:07:24,364 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2021-12-22 00:07:24,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 00:07:24,365 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 00:07:24,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 00:07:24,365 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-22 00:07:24,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-22 00:07:24,367 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2021-12-22 00:07:24,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 00:07:24,370 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-22 00:07:24,371 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 00:07:24,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 12:07:24 BoogieIcfgContainer [2021-12-22 00:07:24,377 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 00:07:24,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 00:07:24,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 00:07:24,380 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 00:07:24,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 12:07:23" (3/4) ... [2021-12-22 00:07:24,383 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-22 00:07:24,392 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-12-22 00:07:24,393 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-12-22 00:07:24,393 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-22 00:07:24,431 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 00:07:24,432 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 00:07:24,432 INFO L158 Benchmark]: Toolchain (without parser) took 972.70ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 50.5MB in the beginning and 63.0MB in the end (delta: -12.4MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2021-12-22 00:07:24,433 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 81.8MB. Free memory was 52.4MB in the beginning and 52.4MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 00:07:24,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.21ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 50.3MB in the beginning and 75.1MB in the end (delta: -24.8MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-12-22 00:07:24,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.74ms. Allocated memory is still 98.6MB. Free memory was 75.1MB in the beginning and 73.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 00:07:24,434 INFO L158 Benchmark]: Boogie Preprocessor took 24.30ms. Allocated memory is still 98.6MB. Free memory was 73.8MB in the beginning and 72.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 00:07:24,435 INFO L158 Benchmark]: RCFGBuilder took 207.44ms. Allocated memory is still 98.6MB. Free memory was 72.1MB in the beginning and 62.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-22 00:07:24,435 INFO L158 Benchmark]: TraceAbstraction took 422.55ms. Allocated memory is still 98.6MB. Free memory was 62.1MB in the beginning and 68.2MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 00:07:24,436 INFO L158 Benchmark]: Witness Printer took 52.17ms. Allocated memory is still 98.6MB. Free memory was 68.2MB in the beginning and 63.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-22 00:07:24,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 81.8MB. Free memory was 52.4MB in the beginning and 52.4MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.21ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 50.3MB in the beginning and 75.1MB in the end (delta: -24.8MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.74ms. Allocated memory is still 98.6MB. Free memory was 75.1MB in the beginning and 73.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.30ms. Allocated memory is still 98.6MB. Free memory was 73.8MB in the beginning and 72.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 207.44ms. Allocated memory is still 98.6MB. Free memory was 72.1MB in the beginning and 62.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 422.55ms. Allocated memory is still 98.6MB. Free memory was 62.1MB in the beginning and 68.2MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 52.17ms. Allocated memory is still 98.6MB. Free memory was 68.2MB in the beginning and 63.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 93]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-12-22 00:07:24,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE