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 0.1.23-1cceb4a [2018-01-30 00:16:55,122 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-30 00:16:55,124 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-30 00:16:55,136 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-30 00:16:55,136 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-30 00:16:55,137 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-30 00:16:55,139 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-30 00:16:55,140 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-30 00:16:55,142 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-30 00:16:55,143 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-30 00:16:55,144 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-30 00:16:55,144 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-30 00:16:55,144 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-30 00:16:55,146 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-30 00:16:55,147 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-30 00:16:55,149 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-30 00:16:55,151 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-30 00:16:55,153 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-30 00:16:55,154 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-30 00:16:55,156 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-30 00:16:55,158 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-30 00:16:55,163 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-30 00:16:55,164 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-30 00:16:55,164 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 [2018-01-30 00:16:55,174 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-30 00:16:55,174 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-30 00:16:55,175 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-30 00:16:55,175 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-30 00:16:55,175 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-30 00:16:55,176 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-30 00:16:55,176 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-30 00:16:55,176 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-30 00:16:55,177 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-30 00:16:55,177 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-30 00:16:55,177 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-30 00:16:55,177 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-30 00:16:55,177 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-30 00:16:55,178 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-30 00:16:55,178 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-30 00:16:55,178 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-30 00:16:55,178 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-30 00:16:55,178 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-30 00:16:55,179 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-30 00:16:55,179 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-30 00:16:55,179 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-30 00:16:55,179 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-30 00:16:55,179 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-30 00:16:55,180 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-30 00:16:55,180 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-30 00:16:55,180 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-30 00:16:55,180 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-30 00:16:55,180 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-30 00:16:55,181 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-30 00:16:55,181 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-30 00:16:55,181 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-30 00:16:55,181 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-30 00:16:55,182 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-30 00:16:55,182 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-30 00:16:55,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-30 00:16:55,229 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-30 00:16:55,233 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-30 00:16:55,234 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-30 00:16:55,235 INFO L276 PluginConnector]: CDTParser initialized [2018-01-30 00:16:55,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test1_true-valid-memsafety_true-termination.i [2018-01-30 00:16:55,399 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-30 00:16:55,405 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-30 00:16:55,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-30 00:16:55,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-30 00:16:55,411 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-30 00:16:55,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 12:16:55" (1/1) ... [2018-01-30 00:16:55,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@baaddb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:16:55, skipping insertion in model container [2018-01-30 00:16:55,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 12:16:55" (1/1) ... [2018-01-30 00:16:55,434 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 00:16:55,486 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-30 00:16:55,592 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 00:16:55,604 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-30 00:16:55,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:16:55 WrapperNode [2018-01-30 00:16:55,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-30 00:16:55,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-30 00:16:55,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-30 00:16:55,612 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-30 00:16:55,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:16:55" (1/1) ... [2018-01-30 00:16:55,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:16:55" (1/1) ... [2018-01-30 00:16:55,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:16:55" (1/1) ... [2018-01-30 00:16:55,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:16:55" (1/1) ... [2018-01-30 00:16:55,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:16:55" (1/1) ... [2018-01-30 00:16:55,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:16:55" (1/1) ... [2018-01-30 00:16:55,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:16:55" (1/1) ... [2018-01-30 00:16:55,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-30 00:16:55,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-30 00:16:55,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-30 00:16:55,649 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-30 00:16:55,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:16:55" (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 [2018-01-30 00:16:55,704 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-30 00:16:55,704 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-30 00:16:55,705 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-30 00:16:55,705 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-30 00:16:55,705 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-30 00:16:55,705 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-30 00:16:55,705 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-30 00:16:55,705 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-30 00:16:55,705 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-30 00:16:55,705 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-30 00:16:55,705 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-30 00:16:55,706 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-30 00:16:55,706 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-30 00:16:55,706 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-30 00:16:55,706 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-30 00:16:55,706 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-30 00:16:55,917 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-30 00:16:55,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:16:55 BoogieIcfgContainer [2018-01-30 00:16:55,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-30 00:16:55,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-30 00:16:55,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-30 00:16:55,922 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-30 00:16:55,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 12:16:55" (1/3) ... [2018-01-30 00:16:55,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33dd6137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 12:16:55, skipping insertion in model container [2018-01-30 00:16:55,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 12:16:55" (2/3) ... [2018-01-30 00:16:55,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33dd6137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 12:16:55, skipping insertion in model container [2018-01-30 00:16:55,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 12:16:55" (3/3) ... [2018-01-30 00:16:55,926 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test1_true-valid-memsafety_true-termination.i [2018-01-30 00:16:55,935 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-30 00:16:55,942 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-30 00:16:55,979 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-30 00:16:55,979 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-30 00:16:55,979 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-30 00:16:55,980 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-30 00:16:55,980 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-30 00:16:55,980 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-30 00:16:55,980 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-30 00:16:55,980 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-30 00:16:55,981 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-30 00:16:55,999 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-30 00:16:56,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-30 00:16:56,005 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:16:56,006 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:16:56,006 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-30 00:16:56,010 INFO L82 PathProgramCache]: Analyzing trace with hash 2066628397, now seen corresponding path program 1 times [2018-01-30 00:16:56,012 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:16:56,013 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:16:56,065 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:16:56,066 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:16:56,066 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:16:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:16:56,116 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:16:56,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:16:56,200 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:16:56,201 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-30 00:16:56,202 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-30 00:16:56,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-30 00:16:56,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-30 00:16:56,215 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 5 states. [2018-01-30 00:16:56,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:16:56,334 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-01-30 00:16:56,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-30 00:16:56,373 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-01-30 00:16:56,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:16:56,381 INFO L225 Difference]: With dead ends: 37 [2018-01-30 00:16:56,382 INFO L226 Difference]: Without dead ends: 33 [2018-01-30 00:16:56,385 INFO L553 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 [2018-01-30 00:16:56,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-01-30 00:16:56,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2018-01-30 00:16:56,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-01-30 00:16:56,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2018-01-30 00:16:56,414 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 18 [2018-01-30 00:16:56,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:16:56,415 INFO L432 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2018-01-30 00:16:56,415 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-30 00:16:56,415 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-01-30 00:16:56,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-30 00:16:56,415 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:16:56,415 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:16:56,415 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-30 00:16:56,416 INFO L82 PathProgramCache]: Analyzing trace with hash 2066628398, now seen corresponding path program 1 times [2018-01-30 00:16:56,416 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:16:56,416 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:16:56,418 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:16:56,418 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:16:56,418 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:16:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:16:56,434 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:16:56,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:16:56,485 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:16:56,485 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-30 00:16:56,487 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-30 00:16:56,487 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-30 00:16:56,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-30 00:16:56,487 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 5 states. [2018-01-30 00:16:56,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:16:56,538 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-01-30 00:16:56,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-30 00:16:56,539 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-01-30 00:16:56,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:16:56,542 INFO L225 Difference]: With dead ends: 35 [2018-01-30 00:16:56,542 INFO L226 Difference]: Without dead ends: 34 [2018-01-30 00:16:56,543 INFO L553 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 [2018-01-30 00:16:56,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-01-30 00:16:56,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2018-01-30 00:16:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-01-30 00:16:56,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-01-30 00:16:56,549 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 18 [2018-01-30 00:16:56,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:16:56,549 INFO L432 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-01-30 00:16:56,549 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-30 00:16:56,549 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-01-30 00:16:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-30 00:16:56,550 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:16:56,550 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:16:56,551 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-30 00:16:56,551 INFO L82 PathProgramCache]: Analyzing trace with hash 508205128, now seen corresponding path program 1 times [2018-01-30 00:16:56,551 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:16:56,551 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:16:56,553 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:16:56,553 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:16:56,553 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:16:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:16:56,571 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:16:56,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:16:56,638 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:16:56,638 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-30 00:16:56,638 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-30 00:16:56,639 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-30 00:16:56,639 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-30 00:16:56,639 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 6 states. [2018-01-30 00:16:56,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:16:56,677 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-01-30 00:16:56,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-30 00:16:56,677 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-01-30 00:16:56,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:16:56,678 INFO L225 Difference]: With dead ends: 32 [2018-01-30 00:16:56,678 INFO L226 Difference]: Without dead ends: 31 [2018-01-30 00:16:56,678 INFO L553 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 [2018-01-30 00:16:56,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-01-30 00:16:56,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-01-30 00:16:56,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-01-30 00:16:56,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-01-30 00:16:56,682 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 19 [2018-01-30 00:16:56,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:16:56,682 INFO L432 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-01-30 00:16:56,682 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-30 00:16:56,682 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-01-30 00:16:56,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-30 00:16:56,683 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:16:56,683 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:16:56,683 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-30 00:16:56,683 INFO L82 PathProgramCache]: Analyzing trace with hash 508205129, now seen corresponding path program 1 times [2018-01-30 00:16:56,683 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:16:56,684 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:16:56,685 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:16:56,685 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:16:56,685 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:16:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:16:56,696 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:16:56,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:16:56,737 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:16:56,737 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-30 00:16:56,737 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-30 00:16:56,737 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-30 00:16:56,738 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-30 00:16:56,738 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 6 states. [2018-01-30 00:16:56,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:16:56,809 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-01-30 00:16:56,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-30 00:16:56,810 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-01-30 00:16:56,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:16:56,811 INFO L225 Difference]: With dead ends: 31 [2018-01-30 00:16:56,811 INFO L226 Difference]: Without dead ends: 30 [2018-01-30 00:16:56,811 INFO L553 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 [2018-01-30 00:16:56,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-01-30 00:16:56,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2018-01-30 00:16:56,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-01-30 00:16:56,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-01-30 00:16:56,814 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 19 [2018-01-30 00:16:56,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:16:56,815 INFO L432 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-01-30 00:16:56,815 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-30 00:16:56,815 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-01-30 00:16:56,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-30 00:16:56,815 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:16:56,815 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-30 00:16:56,815 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-30 00:16:56,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1429615934, now seen corresponding path program 1 times [2018-01-30 00:16:56,816 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:16:56,816 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:16:56,817 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:16:56,817 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:16:56,817 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:16:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:16:56,825 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:16:56,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:16:56,927 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:16:56,928 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-30 00:16:56,928 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-30 00:16:56,928 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-30 00:16:56,928 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-01-30 00:16:56,928 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 6 states. [2018-01-30 00:16:57,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:16:57,055 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-01-30 00:16:57,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-30 00:16:57,055 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-01-30 00:16:57,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:16:57,056 INFO L225 Difference]: With dead ends: 34 [2018-01-30 00:16:57,056 INFO L226 Difference]: Without dead ends: 23 [2018-01-30 00:16:57,056 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-30 00:16:57,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-01-30 00:16:57,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-01-30 00:16:57,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-01-30 00:16:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2018-01-30 00:16:57,059 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 21 [2018-01-30 00:16:57,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:16:57,059 INFO L432 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2018-01-30 00:16:57,059 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-30 00:16:57,060 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2018-01-30 00:16:57,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-30 00:16:57,060 INFO L342 BasicCegarLoop]: Found error trace [2018-01-30 00:16:57,060 INFO L350 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] [2018-01-30 00:16:57,060 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-30 00:16:57,060 INFO L82 PathProgramCache]: Analyzing trace with hash 179247047, now seen corresponding path program 1 times [2018-01-30 00:16:57,061 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-30 00:16:57,061 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-30 00:16:57,062 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:16:57,062 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-30 00:16:57,062 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-30 00:16:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-30 00:16:57,079 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-30 00:16:57,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-30 00:16:57,218 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-30 00:16:57,218 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-30 00:16:57,218 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-30 00:16:57,219 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-30 00:16:57,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-30 00:16:57,219 INFO L87 Difference]: Start difference. First operand 23 states and 22 transitions. Second operand 7 states. [2018-01-30 00:16:57,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-30 00:16:57,358 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2018-01-30 00:16:57,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-30 00:16:57,359 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-01-30 00:16:57,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-30 00:16:57,359 INFO L225 Difference]: With dead ends: 23 [2018-01-30 00:16:57,359 INFO L226 Difference]: Without dead ends: 0 [2018-01-30 00:16:57,360 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-01-30 00:16:57,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-30 00:16:57,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-30 00:16:57,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-30 00:16:57,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-30 00:16:57,361 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-01-30 00:16:57,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-30 00:16:57,361 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-30 00:16:57,361 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-30 00:16:57,361 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-30 00:16:57,361 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-30 00:16:57,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-30 00:16:57,382 INFO L395 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-30 00:16:57,382 INFO L399 ceAbstractionStarter]: For program point L1073(line 1073) no Hoare annotation was computed. [2018-01-30 00:16:57,383 INFO L399 ceAbstractionStarter]: For program point L1073''(line 1073) no Hoare annotation was computed. [2018-01-30 00:16:57,383 INFO L399 ceAbstractionStarter]: For program point L1073'''(line 1073) no Hoare annotation was computed. [2018-01-30 00:16:57,383 INFO L399 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-30 00:16:57,383 INFO L399 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-30 00:16:57,383 INFO L399 ceAbstractionStarter]: For program point L1073'(lines 1073 1077) no Hoare annotation was computed. [2018-01-30 00:16:57,383 INFO L399 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-30 00:16:57,383 INFO L399 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-30 00:16:57,383 INFO L399 ceAbstractionStarter]: For program point L1076(line 1076) no Hoare annotation was computed. [2018-01-30 00:16:57,383 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 1440) no Hoare annotation was computed. [2018-01-30 00:16:57,383 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1440) no Hoare annotation was computed. [2018-01-30 00:16:57,384 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1440) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-30 00:16:57,384 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1440) no Hoare annotation was computed. [2018-01-30 00:16:57,384 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1440) the Hoare annotation is: true [2018-01-30 00:16:57,384 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1440) no Hoare annotation was computed. [2018-01-30 00:16:57,384 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 1440) the Hoare annotation is: true [2018-01-30 00:16:57,384 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1440) no Hoare annotation was computed. [2018-01-30 00:16:57,384 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 1438 1440) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-30 00:16:57,384 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 1438 1440) no Hoare annotation was computed. [2018-01-30 00:16:57,385 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 1438 1440) no Hoare annotation was computed. [2018-01-30 00:16:57,385 INFO L399 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1438 1440) no Hoare annotation was computed. [2018-01-30 00:16:57,385 INFO L395 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1433 1436) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-30 00:16:57,385 INFO L399 ceAbstractionStarter]: For program point entry_pointErr0RequiresViolation(lines 1 1440) no Hoare annotation was computed. [2018-01-30 00:16:57,385 INFO L399 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1433 1436) no Hoare annotation was computed. [2018-01-30 00:16:57,385 INFO L399 ceAbstractionStarter]: For program point L1434(line 1434) no Hoare annotation was computed. [2018-01-30 00:16:57,385 INFO L399 ceAbstractionStarter]: For program point L1435(line 1435) no Hoare annotation was computed. [2018-01-30 00:16:57,385 INFO L399 ceAbstractionStarter]: For program point entry_pointErr1RequiresViolation(lines 1 1440) no Hoare annotation was computed. [2018-01-30 00:16:57,385 INFO L399 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1433 1436) no Hoare annotation was computed. [2018-01-30 00:16:57,386 INFO L399 ceAbstractionStarter]: For program point L1434'(line 1434) no Hoare annotation was computed. [2018-01-30 00:16:57,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 12:16:57 BoogieIcfgContainer [2018-01-30 00:16:57,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-30 00:16:57,390 INFO L168 Benchmark]: Toolchain (without parser) took 1991.20 ms. Allocated memory was 303.6 MB in the beginning and 463.5 MB in the end (delta: 159.9 MB). Free memory was 260.3 MB in the beginning and 336.8 MB in the end (delta: -76.5 MB). Peak memory consumption was 83.4 MB. Max. memory is 5.3 GB. [2018-01-30 00:16:57,391 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 303.6 MB. Free memory is still 266.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 00:16:57,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.51 ms. Allocated memory is still 303.6 MB. Free memory was 260.3 MB in the beginning and 246.4 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 5.3 GB. [2018-01-30 00:16:57,392 INFO L168 Benchmark]: Boogie Preprocessor took 36.93 ms. Allocated memory is still 303.6 MB. Free memory is still 246.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-30 00:16:57,392 INFO L168 Benchmark]: RCFGBuilder took 269.18 ms. Allocated memory is still 303.6 MB. Free memory was 246.4 MB in the beginning and 231.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. [2018-01-30 00:16:57,392 INFO L168 Benchmark]: TraceAbstraction took 1470.66 ms. Allocated memory was 303.6 MB in the beginning and 463.5 MB in the end (delta: 159.9 MB). Free memory was 231.4 MB in the beginning and 336.8 MB in the end (delta: -105.4 MB). Peak memory consumption was 54.5 MB. Max. memory is 5.3 GB. [2018-01-30 00:16:57,394 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 303.6 MB. Free memory is still 266.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 205.51 ms. Allocated memory is still 303.6 MB. Free memory was 260.3 MB in the beginning and 246.4 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.93 ms. Allocated memory is still 303.6 MB. Free memory is still 246.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * RCFGBuilder took 269.18 ms. Allocated memory is still 303.6 MB. Free memory was 246.4 MB in the beginning and 231.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1470.66 ms. Allocated memory was 303.6 MB in the beginning and 463.5 MB in the end (delta: 159.9 MB). Free memory was 231.4 MB in the beginning and 336.8 MB in the end (delta: -105.4 MB). Peak memory consumption was 54.5 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, 1.4s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 138 SDtfs, 30 SDslu, 393 SDs, 0 SdLazy, 149 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s 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, 0.4s 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-0-2018-01-30_00-16-57-401.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-0-2018-01-30_00-16-57-401.csv Received shutdown request...