./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 5fbdf5bf 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/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 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 17:43:13,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 17:43:13,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 17:43:13,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 17:43:13,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 17:43:13,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 17:43:13,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 17:43:13,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 17:43:13,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 17:43:13,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 17:43:13,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 17:43:13,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 17:43:13,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 17:43:13,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 17:43:13,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 17:43:13,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 17:43:13,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 17:43:13,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 17:43:13,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 17:43:13,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 17:43:13,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 17:43:13,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 17:43:13,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 17:43:13,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 17:43:13,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 17:43:13,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 17:43:13,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 17:43:13,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 17:43:13,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 17:43:13,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 17:43:13,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 17:43:13,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 17:43:13,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 17:43:13,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 17:43:13,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 17:43:13,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 17:43:13,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 17:43:13,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 17:43:13,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 17:43:13,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 17:43:13,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 17:43:13,307 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-30 17:43:13,323 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 17:43:13,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 17:43:13,324 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 17:43:13,324 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 17:43:13,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 17:43:13,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 17:43:13,325 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 17:43:13,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 17:43:13,325 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-30 17:43:13,325 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 17:43:13,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 17:43:13,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-30 17:43:13,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 17:43:13,325 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-30 17:43:13,325 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-30 17:43:13,325 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-30 17:43:13,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 17:43:13,326 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-30 17:43:13,326 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-30 17:43:13,326 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 17:43:13,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 17:43:13,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 17:43:13,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 17:43:13,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 17:43:13,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 17:43:13,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 17:43:13,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 17:43:13,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 17:43:13,337 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 17:43:13,337 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64d26f08f1705388a8bcbde0799622957ce08f36 [2021-08-30 17:43:13,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 17:43:13,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 17:43:13,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 17:43:13,627 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 17:43:13,628 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 17:43:13,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/StructInitialization1.c [2021-08-30 17:43:13,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50351c263/4143b6174aa14e0787f57a831c1fded5/FLAG066f0a435 [2021-08-30 17:43:14,051 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 17:43:14,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/StructInitialization1.c [2021-08-30 17:43:14,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50351c263/4143b6174aa14e0787f57a831c1fded5/FLAG066f0a435 [2021-08-30 17:43:14,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50351c263/4143b6174aa14e0787f57a831c1fded5 [2021-08-30 17:43:14,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 17:43:14,073 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-30 17:43:14,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 17:43:14,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 17:43:14,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 17:43:14,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:43:14" (1/1) ... [2021-08-30 17:43:14,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab7d02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:43:14, skipping insertion in model container [2021-08-30 17:43:14,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:43:14" (1/1) ... [2021-08-30 17:43:14,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 17:43:14,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 17:43:14,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:43:14,255 INFO L203 MainTranslator]: Completed pre-run [2021-08-30 17:43:14,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:43:14,331 INFO L208 MainTranslator]: Completed translation [2021-08-30 17:43:14,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:43:14 WrapperNode [2021-08-30 17:43:14,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 17:43:14,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-30 17:43:14,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-30 17:43:14,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-30 17:43:14,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:43:14" (1/1) ... [2021-08-30 17:43:14,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:43:14" (1/1) ... [2021-08-30 17:43:14,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:43:14" (1/1) ... [2021-08-30 17:43:14,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:43:14" (1/1) ... [2021-08-30 17:43:14,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:43:14" (1/1) ... [2021-08-30 17:43:14,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:43:14" (1/1) ... [2021-08-30 17:43:14,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:43:14" (1/1) ... [2021-08-30 17:43:14,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-30 17:43:14,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-30 17:43:14,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-30 17:43:14,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-30 17:43:14,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:43:14" (1/1) ... [2021-08-30 17:43:14,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 17:43:14,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 17:43:14,403 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) [2021-08-30 17:43:14,411 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 [2021-08-30 17:43:14,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-30 17:43:14,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-30 17:43:14,434 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-30 17:43:14,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-30 17:43:14,434 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-30 17:43:14,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-30 17:43:14,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-30 17:43:14,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-30 17:43:14,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-30 17:43:14,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-30 17:43:14,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-30 17:43:14,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-30 17:43:14,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-30 17:43:14,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-30 17:43:14,773 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-30 17:43:14,774 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-30 17:43:14,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:43:14 BoogieIcfgContainer [2021-08-30 17:43:14,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-30 17:43:14,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-30 17:43:14,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-30 17:43:14,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-30 17:43:14,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 05:43:14" (1/3) ... [2021-08-30 17:43:14,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5208d822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 05:43:14, skipping insertion in model container [2021-08-30 17:43:14,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:43:14" (2/3) ... [2021-08-30 17:43:14,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5208d822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 05:43:14, skipping insertion in model container [2021-08-30 17:43:14,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:43:14" (3/3) ... [2021-08-30 17:43:14,780 INFO L111 eAbstractionObserver]: Analyzing ICFG StructInitialization1.c [2021-08-30 17:43:14,783 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-30 17:43:14,784 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2021-08-30 17:43:14,840 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-30 17:43:14,846 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, mConcurrency=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 [2021-08-30 17:43:14,847 INFO L340 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2021-08-30 17:43:14,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 159 states, 73 states have (on average 2.1095890410958904) internal successors, (154), 154 states have internal predecessors, (154), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-30 17:43:14,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-08-30 17:43:14,865 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:43:14,866 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-30 17:43:14,866 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 76 more)] === [2021-08-30 17:43:14,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:43:14,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1058869513, now seen corresponding path program 1 times [2021-08-30 17:43:14,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 17:43:14,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086080383] [2021-08-30 17:43:14,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:43:14,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 17:43:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:43:15,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-30 17:43:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:43:15,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:43:15,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 17:43:15,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086080383] [2021-08-30 17:43:15,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086080383] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 17:43:15,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 17:43:15,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-30 17:43:15,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424864012] [2021-08-30 17:43:15,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-30 17:43:15,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 17:43:15,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-30 17:43:15,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-30 17:43:15,348 INFO L87 Difference]: Start difference. First operand has 159 states, 73 states have (on average 2.1095890410958904) internal successors, (154), 154 states have internal predecessors, (154), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-30 17:43:15,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 17:43:15,826 INFO L93 Difference]: Finished difference Result 118 states and 117 transitions. [2021-08-30 17:43:15,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-30 17:43:15,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2021-08-30 17:43:15,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 17:43:15,833 INFO L225 Difference]: With dead ends: 118 [2021-08-30 17:43:15,833 INFO L226 Difference]: Without dead ends: 113 [2021-08-30 17:43:15,834 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 317.04ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-30 17:43:15,836 INFO L928 BasicCegarLoop]: 4 mSDtfsCounter, 220 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 249.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.39ms SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 286.70ms IncrementalHoareTripleChecker+Time [2021-08-30 17:43:15,836 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 5 Invalid, 160 Unknown, 0 Unchecked, 9.39ms Time], IncrementalHoareTripleChecker [40 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 286.70ms Time] [2021-08-30 17:43:15,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-08-30 17:43:15,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-08-30 17:43:15,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.5571428571428572) internal successors, (109), 109 states have internal predecessors, (109), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-30 17:43:15,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 112 transitions. [2021-08-30 17:43:15,860 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 112 transitions. Word has length 6 [2021-08-30 17:43:15,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 17:43:15,860 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 112 transitions. [2021-08-30 17:43:15,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-30 17:43:15,860 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 112 transitions. [2021-08-30 17:43:15,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-08-30 17:43:15,860 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:43:15,861 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-30 17:43:15,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-30 17:43:15,861 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 76 more)] === [2021-08-30 17:43:15,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:43:15,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1058869514, now seen corresponding path program 1 times [2021-08-30 17:43:15,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 17:43:15,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679302375] [2021-08-30 17:43:15,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:43:15,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 17:43:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:43:16,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-08-30 17:43:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:43:16,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:43:16,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 17:43:16,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679302375] [2021-08-30 17:43:16,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679302375] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 17:43:16,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 17:43:16,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-30 17:43:16,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870299437] [2021-08-30 17:43:16,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-30 17:43:16,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 17:43:16,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-30 17:43:16,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-30 17:43:16,115 INFO L87 Difference]: Start difference. First operand 113 states and 112 transitions. Second operand has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-30 17:43:16,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 17:43:16,432 INFO L93 Difference]: Finished difference Result 73 states and 72 transitions. [2021-08-30 17:43:16,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-30 17:43:16,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2021-08-30 17:43:16,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 17:43:16,432 INFO L225 Difference]: With dead ends: 73 [2021-08-30 17:43:16,432 INFO L226 Difference]: Without dead ends: 0 [2021-08-30 17:43:16,433 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 266.59ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-30 17:43:16,433 INFO L928 BasicCegarLoop]: 3 mSDtfsCounter, 134 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 168.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.03ms SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 198.08ms IncrementalHoareTripleChecker+Time [2021-08-30 17:43:16,434 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 4 Invalid, 112 Unknown, 0 Unchecked, 1.03ms Time], IncrementalHoareTripleChecker [40 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 198.08ms Time] [2021-08-30 17:43:16,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-30 17:43:16,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-30 17:43:16,434 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) [2021-08-30 17:43:16,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-30 17:43:16,435 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-08-30 17:43:16,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 17:43:16,435 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-30 17:43:16,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-30 17:43:16,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-30 17:43:16,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-30 17:43:16,437 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr0REQUIRES_VIOLATION (80 of 81 remaining) [2021-08-30 17:43:16,437 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr1REQUIRES_VIOLATION (79 of 81 remaining) [2021-08-30 17:43:16,437 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr2REQUIRES_VIOLATION (78 of 81 remaining) [2021-08-30 17:43:16,437 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr3REQUIRES_VIOLATION (77 of 81 remaining) [2021-08-30 17:43:16,437 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr4REQUIRES_VIOLATION (76 of 81 remaining) [2021-08-30 17:43:16,437 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr5REQUIRES_VIOLATION (75 of 81 remaining) [2021-08-30 17:43:16,437 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr6REQUIRES_VIOLATION (74 of 81 remaining) [2021-08-30 17:43:16,438 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr7REQUIRES_VIOLATION (73 of 81 remaining) [2021-08-30 17:43:16,438 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr8REQUIRES_VIOLATION (72 of 81 remaining) [2021-08-30 17:43:16,438 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr9REQUIRES_VIOLATION (71 of 81 remaining) [2021-08-30 17:43:16,438 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr10REQUIRES_VIOLATION (70 of 81 remaining) [2021-08-30 17:43:16,438 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr11REQUIRES_VIOLATION (69 of 81 remaining) [2021-08-30 17:43:16,438 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr12REQUIRES_VIOLATION (68 of 81 remaining) [2021-08-30 17:43:16,438 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr13REQUIRES_VIOLATION (67 of 81 remaining) [2021-08-30 17:43:16,438 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr14REQUIRES_VIOLATION (66 of 81 remaining) [2021-08-30 17:43:16,438 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr15REQUIRES_VIOLATION (65 of 81 remaining) [2021-08-30 17:43:16,439 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr16REQUIRES_VIOLATION (64 of 81 remaining) [2021-08-30 17:43:16,439 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr17REQUIRES_VIOLATION (63 of 81 remaining) [2021-08-30 17:43:16,439 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr18REQUIRES_VIOLATION (62 of 81 remaining) [2021-08-30 17:43:16,439 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr19REQUIRES_VIOLATION (61 of 81 remaining) [2021-08-30 17:43:16,439 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr20REQUIRES_VIOLATION (60 of 81 remaining) [2021-08-30 17:43:16,439 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr21REQUIRES_VIOLATION (59 of 81 remaining) [2021-08-30 17:43:16,439 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr22REQUIRES_VIOLATION (58 of 81 remaining) [2021-08-30 17:43:16,439 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr23REQUIRES_VIOLATION (57 of 81 remaining) [2021-08-30 17:43:16,439 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr24REQUIRES_VIOLATION (56 of 81 remaining) [2021-08-30 17:43:16,440 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr25REQUIRES_VIOLATION (55 of 81 remaining) [2021-08-30 17:43:16,440 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr26REQUIRES_VIOLATION (54 of 81 remaining) [2021-08-30 17:43:16,440 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr27REQUIRES_VIOLATION (53 of 81 remaining) [2021-08-30 17:43:16,440 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr28REQUIRES_VIOLATION (52 of 81 remaining) [2021-08-30 17:43:16,440 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr29REQUIRES_VIOLATION (51 of 81 remaining) [2021-08-30 17:43:16,440 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr30REQUIRES_VIOLATION (50 of 81 remaining) [2021-08-30 17:43:16,440 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr31REQUIRES_VIOLATION (49 of 81 remaining) [2021-08-30 17:43:16,445 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr32REQUIRES_VIOLATION (48 of 81 remaining) [2021-08-30 17:43:16,445 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr33REQUIRES_VIOLATION (47 of 81 remaining) [2021-08-30 17:43:16,445 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr34REQUIRES_VIOLATION (46 of 81 remaining) [2021-08-30 17:43:16,446 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr35REQUIRES_VIOLATION (45 of 81 remaining) [2021-08-30 17:43:16,446 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr36REQUIRES_VIOLATION (44 of 81 remaining) [2021-08-30 17:43:16,446 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr37REQUIRES_VIOLATION (43 of 81 remaining) [2021-08-30 17:43:16,446 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr38REQUIRES_VIOLATION (42 of 81 remaining) [2021-08-30 17:43:16,446 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr39REQUIRES_VIOLATION (41 of 81 remaining) [2021-08-30 17:43:16,446 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr40REQUIRES_VIOLATION (40 of 81 remaining) [2021-08-30 17:43:16,446 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr41REQUIRES_VIOLATION (39 of 81 remaining) [2021-08-30 17:43:16,446 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr42REQUIRES_VIOLATION (38 of 81 remaining) [2021-08-30 17:43:16,446 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr43REQUIRES_VIOLATION (37 of 81 remaining) [2021-08-30 17:43:16,447 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr44REQUIRES_VIOLATION (36 of 81 remaining) [2021-08-30 17:43:16,447 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr45REQUIRES_VIOLATION (35 of 81 remaining) [2021-08-30 17:43:16,447 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr46REQUIRES_VIOLATION (34 of 81 remaining) [2021-08-30 17:43:16,447 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr47REQUIRES_VIOLATION (33 of 81 remaining) [2021-08-30 17:43:16,447 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr48REQUIRES_VIOLATION (32 of 81 remaining) [2021-08-30 17:43:16,447 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr49REQUIRES_VIOLATION (31 of 81 remaining) [2021-08-30 17:43:16,447 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr50REQUIRES_VIOLATION (30 of 81 remaining) [2021-08-30 17:43:16,447 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr51REQUIRES_VIOLATION (29 of 81 remaining) [2021-08-30 17:43:16,447 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr52REQUIRES_VIOLATION (28 of 81 remaining) [2021-08-30 17:43:16,448 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr53REQUIRES_VIOLATION (27 of 81 remaining) [2021-08-30 17:43:16,448 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr54REQUIRES_VIOLATION (26 of 81 remaining) [2021-08-30 17:43:16,448 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr55REQUIRES_VIOLATION (25 of 81 remaining) [2021-08-30 17:43:16,448 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr56REQUIRES_VIOLATION (24 of 81 remaining) [2021-08-30 17:43:16,448 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr57REQUIRES_VIOLATION (23 of 81 remaining) [2021-08-30 17:43:16,448 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr58REQUIRES_VIOLATION (22 of 81 remaining) [2021-08-30 17:43:16,448 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr59REQUIRES_VIOLATION (21 of 81 remaining) [2021-08-30 17:43:16,448 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr60REQUIRES_VIOLATION (20 of 81 remaining) [2021-08-30 17:43:16,448 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr61REQUIRES_VIOLATION (19 of 81 remaining) [2021-08-30 17:43:16,448 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr62REQUIRES_VIOLATION (18 of 81 remaining) [2021-08-30 17:43:16,449 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr63REQUIRES_VIOLATION (17 of 81 remaining) [2021-08-30 17:43:16,449 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr64REQUIRES_VIOLATION (16 of 81 remaining) [2021-08-30 17:43:16,449 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr65REQUIRES_VIOLATION (15 of 81 remaining) [2021-08-30 17:43:16,449 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr66REQUIRES_VIOLATION (14 of 81 remaining) [2021-08-30 17:43:16,449 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr67REQUIRES_VIOLATION (13 of 81 remaining) [2021-08-30 17:43:16,449 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr68REQUIRES_VIOLATION (12 of 81 remaining) [2021-08-30 17:43:16,449 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr69REQUIRES_VIOLATION (11 of 81 remaining) [2021-08-30 17:43:16,449 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr70REQUIRES_VIOLATION (10 of 81 remaining) [2021-08-30 17:43:16,449 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr71REQUIRES_VIOLATION (9 of 81 remaining) [2021-08-30 17:43:16,449 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr72REQUIRES_VIOLATION (8 of 81 remaining) [2021-08-30 17:43:16,450 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr73REQUIRES_VIOLATION (7 of 81 remaining) [2021-08-30 17:43:16,450 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr74REQUIRES_VIOLATION (6 of 81 remaining) [2021-08-30 17:43:16,450 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr75REQUIRES_VIOLATION (5 of 81 remaining) [2021-08-30 17:43:16,450 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr76REQUIRES_VIOLATION (4 of 81 remaining) [2021-08-30 17:43:16,450 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr77REQUIRES_VIOLATION (3 of 81 remaining) [2021-08-30 17:43:16,450 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr78REQUIRES_VIOLATION (2 of 81 remaining) [2021-08-30 17:43:16,450 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr79REQUIRES_VIOLATION (1 of 81 remaining) [2021-08-30 17:43:16,450 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr80ENSURES_VIOLATIONMEMORY_LEAK (0 of 81 remaining) [2021-08-30 17:43:16,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-30 17:43:16,457 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-30 17:43:16,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 05:43:16 BoogieIcfgContainer [2021-08-30 17:43:16,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-30 17:43:16,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-30 17:43:16,461 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-30 17:43:16,461 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-30 17:43:16,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:43:14" (3/4) ... [2021-08-30 17:43:16,463 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-30 17:43:16,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2021-08-30 17:43:16,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2021-08-30 17:43:16,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 106 nodes and edges [2021-08-30 17:43:16,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2021-08-30 17:43:16,474 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-08-30 17:43:16,474 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-30 17:43:16,474 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-30 17:43:16,474 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-08-30 17:43:16,499 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-30 17:43:16,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-30 17:43:16,499 INFO L158 Benchmark]: Toolchain (without parser) took 2426.66ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 44.3MB in the beginning and 62.4MB in the end (delta: -18.1MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-08-30 17:43:16,500 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 77.6MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 17:43:16,500 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.28ms. Allocated memory is still 77.6MB. Free memory was 44.1MB in the beginning and 61.4MB in the end (delta: -17.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-30 17:43:16,500 INFO L158 Benchmark]: Boogie Preprocessor took 40.99ms. Allocated memory is still 77.6MB. Free memory was 61.2MB in the beginning and 57.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-30 17:43:16,500 INFO L158 Benchmark]: RCFGBuilder took 402.20ms. Allocated memory is still 77.6MB. Free memory was 57.6MB in the beginning and 36.2MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-08-30 17:43:16,501 INFO L158 Benchmark]: TraceAbstraction took 1684.44ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 35.6MB in the beginning and 67.8MB in the end (delta: -32.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 17:43:16,501 INFO L158 Benchmark]: Witness Printer took 38.09ms. Allocated memory is still 107.0MB. Free memory was 67.8MB in the beginning and 62.4MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-30 17:43:16,502 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 77.6MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.28ms. Allocated memory is still 77.6MB. Free memory was 44.1MB in the beginning and 61.4MB in the end (delta: -17.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.99ms. Allocated memory is still 77.6MB. Free memory was 61.2MB in the beginning and 57.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 402.20ms. Allocated memory is still 77.6MB. Free memory was 57.6MB in the beginning and 36.2MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1684.44ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 35.6MB in the beginning and 67.8MB in the end (delta: -32.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.09ms. Allocated memory is still 107.0MB. Free memory was 67.8MB in the beginning and 62.4MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 159 locations, 81 error locations. Started 1 CEGAR loops. OverallTime: 1614.76ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 7.87ms, AutomataDifference: 837.83ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 10.74ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 354 SdHoareTripleChecker+Valid, 484.78ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 354 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 418.27ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 192 IncrementalHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 7 mSDtfsCounter, 192 mSolverCounterSat, 10.42ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 583.63ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 15.22ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 24.32ms SsaConstructionTime, 75.65ms SatisfiabilityAnalysisTime, 540.36ms InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 370 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 - AllSpecificationsHoldResult: All specifications hold 81 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-30 17:43:16,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...