/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-memsafety/StructInitialization.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 19:18:28,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 19:18:28,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 19:18:28,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 19:18:28,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 19:18:28,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 19:18:28,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 19:18:28,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 19:18:28,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 19:18:28,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 19:18:28,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 19:18:28,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 19:18:28,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 19:18:28,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 19:18:28,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 19:18:28,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 19:18:28,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 19:18:28,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 19:18:28,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 19:18:28,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 19:18:28,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 19:18:28,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 19:18:28,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 19:18:28,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 19:18:28,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 19:18:28,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 19:18:28,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 19:18:28,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 19:18:28,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 19:18:28,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 19:18:28,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 19:18:28,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 19:18:28,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 19:18:28,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 19:18:28,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 19:18:28,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 19:18:28,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 19:18:28,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 19:18:28,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 19:18:28,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 19:18:28,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 19:18:28,416 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-12-22 19:18:28,474 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 19:18:28,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 19:18:28,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 19:18:28,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 19:18:28,481 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 19:18:28,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 19:18:28,482 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-22 19:18:28,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 19:18:28,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 19:18:28,483 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-22 19:18:28,484 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-22 19:18:28,484 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-22 19:18:28,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 19:18:28,485 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-22 19:18:28,485 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 19:18:28,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 19:18:28,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 19:18:28,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 19:18:28,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 19:18:28,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 19:18:28,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 19:18:28,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 19:18:28,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 19:18:28,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 19:18:28,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 19:18:28,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 19:18:28,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 19:18:28,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 19:18:28,946 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 19:18:28,946 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 19:18:28,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2020-12-22 19:18:29,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac87a05e/1aca2e03189f42b5889e82d13bb15406/FLAG71746c1fe [2020-12-22 19:18:29,660 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 19:18:29,661 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2020-12-22 19:18:29,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac87a05e/1aca2e03189f42b5889e82d13bb15406/FLAG71746c1fe [2020-12-22 19:18:29,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac87a05e/1aca2e03189f42b5889e82d13bb15406 [2020-12-22 19:18:29,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 19:18:29,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 19:18:29,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 19:18:29,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 19:18:29,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 19:18:29,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:18:29" (1/1) ... [2020-12-22 19:18:29,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180107dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:29, skipping insertion in model container [2020-12-22 19:18:29,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:18:29" (1/1) ... [2020-12-22 19:18:30,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 19:18:30,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 19:18:30,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 19:18:30,254 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 19:18:30,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 19:18:30,299 INFO L208 MainTranslator]: Completed translation [2020-12-22 19:18:30,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:30 WrapperNode [2020-12-22 19:18:30,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 19:18:30,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 19:18:30,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 19:18:30,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 19:18:30,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:30" (1/1) ... [2020-12-22 19:18:30,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:30" (1/1) ... [2020-12-22 19:18:30,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 19:18:30,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 19:18:30,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 19:18:30,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 19:18:30,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:30" (1/1) ... [2020-12-22 19:18:30,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:30" (1/1) ... [2020-12-22 19:18:30,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:30" (1/1) ... [2020-12-22 19:18:30,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:30" (1/1) ... [2020-12-22 19:18:30,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:30" (1/1) ... [2020-12-22 19:18:30,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:30" (1/1) ... [2020-12-22 19:18:30,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:30" (1/1) ... [2020-12-22 19:18:30,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 19:18:30,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 19:18:30,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 19:18:30,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 19:18:30,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 19:18:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 19:18:30,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 19:18:30,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 19:18:30,979 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 19:18:30,980 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-22 19:18:30,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:18:30 BoogieIcfgContainer [2020-12-22 19:18:30,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 19:18:30,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 19:18:30,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 19:18:30,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 19:18:30,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 07:18:29" (1/3) ... [2020-12-22 19:18:30,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64bdf4e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:18:30, skipping insertion in model container [2020-12-22 19:18:30,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:30" (2/3) ... [2020-12-22 19:18:30,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64bdf4e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:18:30, skipping insertion in model container [2020-12-22 19:18:30,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:18:30" (3/3) ... [2020-12-22 19:18:30,994 INFO L111 eAbstractionObserver]: Analyzing ICFG StructInitialization.c [2020-12-22 19:18:31,002 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 19:18:31,008 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 19:18:31,029 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 19:18:31,055 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 19:18:31,055 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-22 19:18:31,055 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 19:18:31,055 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 19:18:31,055 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 19:18:31,056 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 19:18:31,056 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 19:18:31,056 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 19:18:31,071 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-12-22 19:18:31,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 19:18:31,110 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:18:31,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 19:18:31,112 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-22 19:18:31,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:18:31,121 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2020-12-22 19:18:31,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:18:31,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334063281] [2020-12-22 19:18:31,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:18:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:18:31,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:18:31,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334063281] [2020-12-22 19:18:31,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:18:31,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 19:18:31,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562012323] [2020-12-22 19:18:31,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:18:31,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:18:31,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:18:31,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:18:31,384 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2020-12-22 19:18:31,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:18:31,415 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2020-12-22 19:18:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:18:31,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 19:18:31,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:18:31,427 INFO L225 Difference]: With dead ends: 5 [2020-12-22 19:18:31,427 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 19:18:31,429 INFO L677 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 [2020-12-22 19:18:31,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 19:18:31,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 19:18:31,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 19:18:31,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 19:18:31,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2020-12-22 19:18:31,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:18:31,466 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 19:18:31,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:18:31,466 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 19:18:31,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 19:18:31,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 19:18:31,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 07:18:31 BoogieIcfgContainer [2020-12-22 19:18:31,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 19:18:31,474 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 19:18:31,474 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 19:18:31,475 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 19:18:31,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:18:30" (3/4) ... [2020-12-22 19:18:31,480 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 19:18:31,495 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-22 19:18:31,495 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-22 19:18:31,495 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 19:18:31,560 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-memsafety/StructInitialization.c-witness.graphml [2020-12-22 19:18:31,560 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 19:18:31,564 INFO L168 Benchmark]: Toolchain (without parser) took 1582.55 ms. Allocated memory is still 153.1 MB. Free memory was 128.3 MB in the beginning and 117.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-22 19:18:31,565 INFO L168 Benchmark]: CDTParser took 3.51 ms. Allocated memory is still 153.1 MB. Free memory is still 125.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 19:18:31,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.65 ms. Allocated memory is still 153.1 MB. Free memory was 128.1 MB in the beginning and 118.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 19:18:31,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.74 ms. Allocated memory is still 153.1 MB. Free memory was 118.1 MB in the beginning and 116.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 19:18:31,567 INFO L168 Benchmark]: Boogie Preprocessor took 27.24 ms. Allocated memory is still 153.1 MB. Free memory was 116.7 MB in the beginning and 115.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 19:18:31,568 INFO L168 Benchmark]: RCFGBuilder took 609.54 ms. Allocated memory is still 153.1 MB. Free memory was 115.0 MB in the beginning and 102.5 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-22 19:18:31,568 INFO L168 Benchmark]: TraceAbstraction took 488.44 ms. Allocated memory is still 153.1 MB. Free memory was 102.2 MB in the beginning and 122.8 MB in the end (delta: -20.6 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 19:18:31,569 INFO L168 Benchmark]: Witness Printer took 86.31 ms. Allocated memory is still 153.1 MB. Free memory was 122.8 MB in the beginning and 117.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 19:18:31,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.51 ms. Allocated memory is still 153.1 MB. Free memory is still 125.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 315.65 ms. Allocated memory is still 153.1 MB. Free memory was 128.1 MB in the beginning and 118.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 42.74 ms. Allocated memory is still 153.1 MB. Free memory was 118.1 MB in the beginning and 116.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.24 ms. Allocated memory is still 153.1 MB. Free memory was 116.7 MB in the beginning and 115.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 609.54 ms. Allocated memory is still 153.1 MB. Free memory was 115.0 MB in the beginning and 102.5 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 488.44 ms. Allocated memory is still 153.1 MB. Free memory was 102.2 MB in the beginning and 122.8 MB in the end (delta: -20.6 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 86.31 ms. Allocated memory is still 153.1 MB. Free memory was 122.8 MB in the beginning and 117.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 93]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, 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, 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, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...