java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --traceabstraction.dump.automata.to.the.following.directory dump -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/StructInitialization_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 11:30:51,179 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 11:30:51,185 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 11:30:51,199 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 11:30:51,200 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 11:30:51,201 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 11:30:51,202 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 11:30:51,204 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 11:30:51,206 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 11:30:51,207 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 11:30:51,209 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 11:30:51,209 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 11:30:51,210 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 11:30:51,211 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 11:30:51,212 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 11:30:51,213 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 11:30:51,214 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 11:30:51,216 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 11:30:51,218 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 11:30:51,220 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 11:30:51,221 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 11:30:51,222 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 11:30:51,225 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 11:30:51,225 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 11:30:51,226 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 11:30:51,226 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 11:30:51,228 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 11:30:51,228 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 11:30:51,229 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 11:30:51,233 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 11:30:51,234 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 11:30:51,235 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 11:30:51,238 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 11:30:51,238 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 11:30:51,239 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 11:30:51,242 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 11:30:51,242 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-10-10 11:30:51,268 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 11:30:51,268 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 11:30:51,272 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 11:30:51,274 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 11:30:51,275 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 11:30:51,275 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 11:30:51,275 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 11:30:51,275 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 11:30:51,276 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 11:30:51,276 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 11:30:51,276 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 11:30:51,276 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 11:30:51,276 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 11:30:51,276 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 11:30:51,277 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 11:30:51,277 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-10 11:30:51,277 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-10 11:30:51,277 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 11:30:51,277 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 11:30:51,278 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 11:30:51,279 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 11:30:51,279 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 11:30:51,279 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 11:30:51,280 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 11:30:51,280 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 11:30:51,280 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-10 11:30:51,280 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 11:30:51,281 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-10 11:30:51,281 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Dump automata to the following directory -> dump [2018-10-10 11:30:51,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 11:30:51,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 11:30:51,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 11:30:51,346 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 11:30:51,347 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 11:30:51,348 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/StructInitialization_true-valid-memsafety_true-termination.c [2018-10-10 11:30:51,644 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f9d1cc2f/07aaae2d6a014165b2d388873bd41c7f/FLAGb45f0bc7d [2018-10-10 11:30:51,820 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 11:30:51,820 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-memsafety/StructInitialization_true-valid-memsafety_true-termination.c [2018-10-10 11:30:51,827 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f9d1cc2f/07aaae2d6a014165b2d388873bd41c7f/FLAGb45f0bc7d [2018-10-10 11:30:51,842 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f9d1cc2f/07aaae2d6a014165b2d388873bd41c7f [2018-10-10 11:30:51,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 11:30:51,857 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 11:30:51,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 11:30:51,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 11:30:51,862 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 11:30:51,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 11:30:51" (1/1) ... [2018-10-10 11:30:51,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d81ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:51, skipping insertion in model container [2018-10-10 11:30:51,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 11:30:51" (1/1) ... [2018-10-10 11:30:51,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 11:30:51,897 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 11:30:52,058 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 11:30:52,077 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 11:30:52,098 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 11:30:52,118 INFO L193 MainTranslator]: Completed translation [2018-10-10 11:30:52,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:52 WrapperNode [2018-10-10 11:30:52,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 11:30:52,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 11:30:52,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 11:30:52,120 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 11:30:52,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:52" (1/1) ... [2018-10-10 11:30:52,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:52" (1/1) ... [2018-10-10 11:30:52,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 11:30:52,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 11:30:52,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 11:30:52,182 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 11:30:52,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:52" (1/1) ... [2018-10-10 11:30:52,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:52" (1/1) ... [2018-10-10 11:30:52,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:52" (1/1) ... [2018-10-10 11:30:52,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:52" (1/1) ... [2018-10-10 11:30:52,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:52" (1/1) ... [2018-10-10 11:30:52,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:52" (1/1) ... [2018-10-10 11:30:52,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:52" (1/1) ... [2018-10-10 11:30:52,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 11:30:52,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 11:30:52,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 11:30:52,248 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 11:30:52,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:52" (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 [2018-10-10 11:30:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 11:30:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 11:30:53,933 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 11:30:53,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 11:30:53 BoogieIcfgContainer [2018-10-10 11:30:53,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 11:30:53,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 11:30:53,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 11:30:53,939 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 11:30:53,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 11:30:51" (1/3) ... [2018-10-10 11:30:53,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48791553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 11:30:53, skipping insertion in model container [2018-10-10 11:30:53,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:30:52" (2/3) ... [2018-10-10 11:30:53,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48791553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 11:30:53, skipping insertion in model container [2018-10-10 11:30:53,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 11:30:53" (3/3) ... [2018-10-10 11:30:53,943 INFO L112 eAbstractionObserver]: Analyzing ICFG StructInitialization_true-valid-memsafety_true-termination.c [2018-10-10 11:30:53,957 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 11:30:53,969 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-10 11:30:53,990 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-10 11:30:54,027 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 11:30:54,028 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 11:30:54,028 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 11:30:54,029 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 11:30:54,029 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 11:30:54,029 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 11:30:54,029 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 11:30:54,030 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 11:30:54,030 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 11:30:54,048 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-10-10 11:30:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-10 11:30:54,059 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:30:54,061 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-10-10 11:30:54,069 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2018-10-10 11:30:54,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:30:54,080 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2018-10-10 11:30:54,085 INFO L227 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-10 11:30:54,087 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-10 11:30:54,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:30:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 11:30:54,199 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 11:30:54,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 11:30:54,246 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-10 11:30:54,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 11:30:54,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 11:30:54,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-10 11:30:54,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-10 11:30:54,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 11:30:54,280 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-10-10 11:30:55,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 11:30:55,408 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2018-10-10 11:30:55,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-10 11:30:55,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-10-10 11:30:55,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 11:30:55,417 INFO L225 Difference]: With dead ends: 5 [2018-10-10 11:30:55,417 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 11:30:55,419 INFO L605 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 [2018-10-10 11:30:55,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 11:30:55,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 11:30:55,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 11:30:55,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 11:30:55,445 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2018-10-10 11:30:55,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 11:30:55,446 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 11:30:55,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-10 11:30:55,446 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 11:30:55,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 11:30:55,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 11:30:55 BoogieIcfgContainer [2018-10-10 11:30:55,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 11:30:55,453 INFO L168 Benchmark]: Toolchain (without parser) took 3597.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -729.3 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. [2018-10-10 11:30:55,455 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 11:30:55,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-10 11:30:55,457 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.67 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 11:30:55,457 INFO L168 Benchmark]: Boogie Preprocessor took 63.93 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 11:30:55,458 INFO L168 Benchmark]: RCFGBuilder took 1686.08 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -763.3 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2018-10-10 11:30:55,459 INFO L168 Benchmark]: TraceAbstraction took 1516.90 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2018-10-10 11:30:55,464 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 261.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.67 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.93 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1686.08 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -763.3 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1516.90 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 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. SAFE Result, 1.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 38 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...