java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test1_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 08:54:10,190 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 08:54:10,192 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 08:54:10,208 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 08:54:10,208 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 08:54:10,209 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 08:54:10,210 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 08:54:10,212 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 08:54:10,214 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 08:54:10,214 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 08:54:10,215 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 08:54:10,216 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 08:54:10,217 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 08:54:10,218 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 08:54:10,219 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 08:54:10,230 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 08:54:10,232 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 08:54:10,233 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 08:54:10,235 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 08:54:10,236 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 08:54:10,239 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-31 08:54:10,245 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 08:54:10,246 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 08:54:10,246 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-31 08:54:10,255 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 08:54:10,255 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 08:54:10,256 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 08:54:10,256 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 08:54:10,256 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 08:54:10,257 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 08:54:10,257 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 08:54:10,257 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 08:54:10,258 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 08:54:10,258 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 08:54:10,258 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 08:54:10,258 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 08:54:10,258 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 08:54:10,258 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 08:54:10,259 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 08:54:10,259 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 08:54:10,259 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 08:54:10,259 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 08:54:10,259 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 08:54:10,259 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 08:54:10,260 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 08:54:10,260 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 08:54:10,260 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 08:54:10,260 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 08:54:10,260 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 08:54:10,261 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 08:54:10,261 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 08:54:10,261 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 08:54:10,261 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 08:54:10,261 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 08:54:10,261 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 08:54:10,262 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 08:54:10,262 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 08:54:10,262 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 08:54:10,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 08:54:10,323 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 08:54:10,327 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 08:54:10,328 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 08:54:10,328 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 08:54:10,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test1_true-valid-memsafety_true-termination.i [2018-01-31 08:54:10,548 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 08:54:10,556 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-31 08:54:10,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 08:54:10,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 08:54:10,564 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 08:54:10,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:54:10" (1/1) ... [2018-01-31 08:54:10,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18fab83a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:54:10, skipping insertion in model container [2018-01-31 08:54:10,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:54:10" (1/1) ... [2018-01-31 08:54:10,589 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 08:54:10,668 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 08:54:10,842 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 08:54:10,860 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 08:54:10,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:54:10 WrapperNode [2018-01-31 08:54:10,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 08:54:10,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 08:54:10,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 08:54:10,874 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 08:54:10,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:54:10" (1/1) ... [2018-01-31 08:54:10,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:54:10" (1/1) ... [2018-01-31 08:54:10,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:54:10" (1/1) ... [2018-01-31 08:54:10,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:54:10" (1/1) ... [2018-01-31 08:54:10,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:54:10" (1/1) ... [2018-01-31 08:54:10,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:54:10" (1/1) ... [2018-01-31 08:54:10,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:54:10" (1/1) ... [2018-01-31 08:54:10,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 08:54:10,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 08:54:10,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 08:54:10,905 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 08:54:10,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:54:10" (1/1) ... No working directory specified, using /storage/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 [2018-01-31 08:54:10,971 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 08:54:10,971 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 08:54:10,971 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-31 08:54:10,971 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-31 08:54:10,972 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 08:54:10,972 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 08:54:10,972 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 08:54:10,972 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 08:54:10,972 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-31 08:54:10,972 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-31 08:54:10,973 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 08:54:10,973 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-31 08:54:10,973 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-31 08:54:10,973 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 08:54:10,973 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 08:54:10,973 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 08:54:11,309 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 08:54:11,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:54:11 BoogieIcfgContainer [2018-01-31 08:54:11,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 08:54:11,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 08:54:11,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 08:54:11,319 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 08:54:11,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 08:54:10" (1/3) ... [2018-01-31 08:54:11,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e19c601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:54:11, skipping insertion in model container [2018-01-31 08:54:11,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:54:10" (2/3) ... [2018-01-31 08:54:11,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e19c601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:54:11, skipping insertion in model container [2018-01-31 08:54:11,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:54:11" (3/3) ... [2018-01-31 08:54:11,323 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test1_true-valid-memsafety_true-termination.i [2018-01-31 08:54:11,333 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 08:54:11,342 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-31 08:54:11,379 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 08:54:11,379 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 08:54:11,379 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 08:54:11,379 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 08:54:11,379 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 08:54:11,379 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 08:54:11,380 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 08:54:11,380 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 08:54:11,381 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 08:54:11,400 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-31 08:54:11,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-31 08:54:11,408 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:54:11,410 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:54:11,410 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-31 08:54:11,415 INFO L82 PathProgramCache]: Analyzing trace with hash 2066628397, now seen corresponding path program 1 times [2018-01-31 08:54:11,417 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:54:11,418 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:54:11,480 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:54:11,480 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:54:11,480 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:54:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:54:11,528 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:54:11,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:54:11,656 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:54:11,656 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-31 08:54:11,658 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-31 08:54:11,668 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-31 08:54:11,668 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-31 08:54:11,670 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 5 states. [2018-01-31 08:54:11,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:54:11,851 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-01-31 08:54:11,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-31 08:54:11,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-01-31 08:54:11,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:54:11,860 INFO L225 Difference]: With dead ends: 37 [2018-01-31 08:54:11,860 INFO L226 Difference]: Without dead ends: 33 [2018-01-31 08:54:11,863 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-31 08:54:11,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-01-31 08:54:11,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2018-01-31 08:54:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-01-31 08:54:11,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2018-01-31 08:54:11,892 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 18 [2018-01-31 08:54:11,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:54:11,892 INFO L432 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2018-01-31 08:54:11,892 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-31 08:54:11,892 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-01-31 08:54:11,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-31 08:54:11,893 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:54:11,893 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:54:11,893 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-31 08:54:11,893 INFO L82 PathProgramCache]: Analyzing trace with hash 2066628398, now seen corresponding path program 1 times [2018-01-31 08:54:11,893 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:54:11,893 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:54:11,895 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:54:11,895 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:54:11,896 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:54:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:54:11,911 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:54:11,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:54:11,991 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:54:11,991 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-31 08:54:11,997 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-31 08:54:11,998 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-31 08:54:11,998 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-31 08:54:11,998 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 5 states. [2018-01-31 08:54:12,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:54:12,088 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-01-31 08:54:12,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-31 08:54:12,089 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-01-31 08:54:12,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:54:12,092 INFO L225 Difference]: With dead ends: 35 [2018-01-31 08:54:12,092 INFO L226 Difference]: Without dead ends: 34 [2018-01-31 08:54:12,093 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-31 08:54:12,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-01-31 08:54:12,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2018-01-31 08:54:12,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-01-31 08:54:12,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-01-31 08:54:12,100 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 18 [2018-01-31 08:54:12,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:54:12,101 INFO L432 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-01-31 08:54:12,101 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-31 08:54:12,101 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-01-31 08:54:12,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-31 08:54:12,102 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:54:12,102 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:54:12,102 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-31 08:54:12,103 INFO L82 PathProgramCache]: Analyzing trace with hash 508205128, now seen corresponding path program 1 times [2018-01-31 08:54:12,103 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:54:12,103 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:54:12,104 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:54:12,105 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:54:12,105 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:54:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:54:12,138 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:54:12,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:54:12,334 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:54:12,334 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-31 08:54:12,335 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-31 08:54:12,335 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-31 08:54:12,335 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-31 08:54:12,336 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 6 states. [2018-01-31 08:54:12,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:54:12,527 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-01-31 08:54:12,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-31 08:54:12,528 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-01-31 08:54:12,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:54:12,529 INFO L225 Difference]: With dead ends: 32 [2018-01-31 08:54:12,529 INFO L226 Difference]: Without dead ends: 31 [2018-01-31 08:54:12,529 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-01-31 08:54:12,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-01-31 08:54:12,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-01-31 08:54:12,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-01-31 08:54:12,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-01-31 08:54:12,536 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 19 [2018-01-31 08:54:12,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:54:12,536 INFO L432 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-01-31 08:54:12,536 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-31 08:54:12,536 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-01-31 08:54:12,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-31 08:54:12,538 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:54:12,538 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:54:12,538 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-31 08:54:12,538 INFO L82 PathProgramCache]: Analyzing trace with hash 508205129, now seen corresponding path program 1 times [2018-01-31 08:54:12,538 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:54:12,538 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:54:12,540 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:54:12,540 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:54:12,540 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:54:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:54:12,558 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:54:12,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:54:12,656 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:54:12,656 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-31 08:54:12,657 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-31 08:54:12,658 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-31 08:54:12,658 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-31 08:54:12,659 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 6 states. [2018-01-31 08:54:12,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:54:12,737 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-01-31 08:54:12,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-31 08:54:12,737 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-01-31 08:54:12,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:54:12,738 INFO L225 Difference]: With dead ends: 31 [2018-01-31 08:54:12,738 INFO L226 Difference]: Without dead ends: 30 [2018-01-31 08:54:12,739 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-01-31 08:54:12,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-01-31 08:54:12,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2018-01-31 08:54:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-01-31 08:54:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-01-31 08:54:12,743 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 19 [2018-01-31 08:54:12,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:54:12,744 INFO L432 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-01-31 08:54:12,744 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-31 08:54:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-01-31 08:54:12,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-31 08:54:12,744 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:54:12,745 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:54:12,745 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-31 08:54:12,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1429615934, now seen corresponding path program 1 times [2018-01-31 08:54:12,745 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:54:12,745 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:54:12,746 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:54:12,746 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:54:12,746 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:54:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:54:12,757 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:54:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:54:12,939 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:54:12,939 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-31 08:54:12,940 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-31 08:54:12,940 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-31 08:54:12,940 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-01-31 08:54:12,940 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 6 states. [2018-01-31 08:54:13,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:54:13,076 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-01-31 08:54:13,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-31 08:54:13,077 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-01-31 08:54:13,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:54:13,078 INFO L225 Difference]: With dead ends: 34 [2018-01-31 08:54:13,078 INFO L226 Difference]: Without dead ends: 23 [2018-01-31 08:54:13,078 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-31 08:54:13,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-01-31 08:54:13,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-01-31 08:54:13,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-01-31 08:54:13,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2018-01-31 08:54:13,082 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 21 [2018-01-31 08:54:13,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:54:13,083 INFO L432 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2018-01-31 08:54:13,083 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-31 08:54:13,083 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2018-01-31 08:54:13,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-31 08:54:13,084 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:54:13,084 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:54:13,084 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-31 08:54:13,084 INFO L82 PathProgramCache]: Analyzing trace with hash 179247047, now seen corresponding path program 1 times [2018-01-31 08:54:13,084 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:54:13,084 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:54:13,086 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:54:13,086 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:54:13,086 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:54:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:54:13,103 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:54:13,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:54:13,357 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:54:13,357 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-31 08:54:13,358 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-31 08:54:13,358 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-31 08:54:13,358 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-31 08:54:13,358 INFO L87 Difference]: Start difference. First operand 23 states and 22 transitions. Second operand 7 states. [2018-01-31 08:54:13,861 WARN L143 SmtUtils]: Spent 140ms on a formula simplification that was a NOOP. DAG size: 18 [2018-01-31 08:54:13,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:54:13,911 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2018-01-31 08:54:13,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-31 08:54:13,911 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-01-31 08:54:13,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:54:13,912 INFO L225 Difference]: With dead ends: 23 [2018-01-31 08:54:13,912 INFO L226 Difference]: Without dead ends: 0 [2018-01-31 08:54:13,912 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-01-31 08:54:13,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-31 08:54:13,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-31 08:54:13,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-31 08:54:13,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-31 08:54:13,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-01-31 08:54:13,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:54:13,914 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-31 08:54:13,914 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-31 08:54:13,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-31 08:54:13,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-31 08:54:13,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-31 08:54:13,948 INFO L395 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 08:54:13,948 INFO L399 ceAbstractionStarter]: For program point L1073(line 1073) no Hoare annotation was computed. [2018-01-31 08:54:13,948 INFO L399 ceAbstractionStarter]: For program point L1073''(line 1073) no Hoare annotation was computed. [2018-01-31 08:54:13,948 INFO L399 ceAbstractionStarter]: For program point L1073'''(line 1073) no Hoare annotation was computed. [2018-01-31 08:54:13,948 INFO L399 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-31 08:54:13,948 INFO L399 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-31 08:54:13,948 INFO L399 ceAbstractionStarter]: For program point L1073'(lines 1073 1077) no Hoare annotation was computed. [2018-01-31 08:54:13,948 INFO L399 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-31 08:54:13,949 INFO L399 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-31 08:54:13,949 INFO L399 ceAbstractionStarter]: For program point L1076(line 1076) no Hoare annotation was computed. [2018-01-31 08:54:13,949 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 1440) no Hoare annotation was computed. [2018-01-31 08:54:13,949 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1440) no Hoare annotation was computed. [2018-01-31 08:54:13,949 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1440) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 08:54:13,949 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1440) no Hoare annotation was computed. [2018-01-31 08:54:13,949 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1440) the Hoare annotation is: true [2018-01-31 08:54:13,949 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1440) no Hoare annotation was computed. [2018-01-31 08:54:13,949 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 1440) the Hoare annotation is: true [2018-01-31 08:54:13,949 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1440) no Hoare annotation was computed. [2018-01-31 08:54:13,950 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 1438 1440) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 08:54:13,950 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 1438 1440) no Hoare annotation was computed. [2018-01-31 08:54:13,950 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 1438 1440) no Hoare annotation was computed. [2018-01-31 08:54:13,950 INFO L399 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1438 1440) no Hoare annotation was computed. [2018-01-31 08:54:13,950 INFO L395 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1433 1436) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 08:54:13,950 INFO L399 ceAbstractionStarter]: For program point entry_pointErr0RequiresViolation(lines 1 1440) no Hoare annotation was computed. [2018-01-31 08:54:13,950 INFO L399 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1433 1436) no Hoare annotation was computed. [2018-01-31 08:54:13,950 INFO L399 ceAbstractionStarter]: For program point L1434(line 1434) no Hoare annotation was computed. [2018-01-31 08:54:13,950 INFO L399 ceAbstractionStarter]: For program point L1435(line 1435) no Hoare annotation was computed. [2018-01-31 08:54:13,951 INFO L399 ceAbstractionStarter]: For program point entry_pointErr1RequiresViolation(lines 1 1440) no Hoare annotation was computed. [2018-01-31 08:54:13,951 INFO L399 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1433 1436) no Hoare annotation was computed. [2018-01-31 08:54:13,951 INFO L399 ceAbstractionStarter]: For program point L1434'(line 1434) no Hoare annotation was computed. [2018-01-31 08:54:13,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 08:54:13 BoogieIcfgContainer [2018-01-31 08:54:13,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 08:54:13,955 INFO L168 Benchmark]: Toolchain (without parser) took 3406.90 ms. Allocated memory was 305.1 MB in the beginning and 460.3 MB in the end (delta: 155.2 MB). Free memory was 263.9 MB in the beginning and 334.3 MB in the end (delta: -70.4 MB). Peak memory consumption was 84.7 MB. Max. memory is 5.3 GB. [2018-01-31 08:54:13,956 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 305.1 MB. Free memory is still 270.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 08:54:13,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.31 ms. Allocated memory is still 305.1 MB. Free memory was 263.9 MB in the beginning and 251.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 5.3 GB. [2018-01-31 08:54:13,957 INFO L168 Benchmark]: Boogie Preprocessor took 30.73 ms. Allocated memory is still 305.1 MB. Free memory was 251.6 MB in the beginning and 249.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-31 08:54:13,957 INFO L168 Benchmark]: RCFGBuilder took 409.81 ms. Allocated memory is still 305.1 MB. Free memory was 249.6 MB in the beginning and 236.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. [2018-01-31 08:54:13,958 INFO L168 Benchmark]: TraceAbstraction took 2638.63 ms. Allocated memory was 305.1 MB in the beginning and 460.3 MB in the end (delta: 155.2 MB). Free memory was 235.6 MB in the beginning and 334.3 MB in the end (delta: -98.7 MB). Peak memory consumption was 56.5 MB. Max. memory is 5.3 GB. [2018-01-31 08:54:13,960 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 305.1 MB. Free memory is still 270.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 316.31 ms. Allocated memory is still 305.1 MB. Free memory was 263.9 MB in the beginning and 251.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.73 ms. Allocated memory is still 305.1 MB. Free memory was 251.6 MB in the beginning and 249.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 409.81 ms. Allocated memory is still 305.1 MB. Free memory was 249.6 MB in the beginning and 236.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2638.63 ms. Allocated memory was 305.1 MB in the beginning and 460.3 MB in the end (delta: 155.2 MB). Free memory was 235.6 MB in the beginning and 334.3 MB in the end (delta: -98.7 MB). Peak memory consumption was 56.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1438]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 30 locations, 3 error locations. SAFE Result, 2.5s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 138 SDtfs, 30 SDslu, 393 SDs, 0 SdLazy, 149 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=1, 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, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 14 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 6827 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-31_08-54-13-970.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_08-54-13-970.csv Received shutdown request...