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_test5_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 09:02:40,556 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 09:02:40,558 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 09:02:40,582 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 09:02:40,582 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 09:02:40,583 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 09:02:40,584 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 09:02:40,586 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 09:02:40,589 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 09:02:40,589 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 09:02:40,590 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 09:02:40,591 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 09:02:40,592 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 09:02:40,593 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 09:02:40,594 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 09:02:40,599 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 09:02:40,601 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 09:02:40,603 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 09:02:40,604 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 09:02:40,615 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 09:02:40,617 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-31 09:02:40,622 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 09:02:40,630 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 09:02:40,631 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 09:02:40,648 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 09:02:40,650 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 09:02:40,651 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 09:02:40,651 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 09:02:40,651 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 09:02:40,651 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 09:02:40,652 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 09:02:40,652 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 09:02:40,652 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 09:02:40,653 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 09:02:40,653 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 09:02:40,653 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 09:02:40,653 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 09:02:40,653 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 09:02:40,654 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 09:02:40,654 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 09:02:40,654 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 09:02:40,654 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 09:02:40,654 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 09:02:40,654 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 09:02:40,655 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 09:02:40,655 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 09:02:40,655 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 09:02:40,655 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 09:02:40,655 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 09:02:40,656 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 09:02:40,656 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 09:02:40,658 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 09:02:40,658 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 09:02:40,659 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 09:02:40,659 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 09:02:40,659 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 09:02:40,660 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 09:02:40,660 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 09:02:40,718 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 09:02:40,735 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 09:02:40,741 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 09:02:40,742 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 09:02:40,743 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 09:02:40,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test5_true-valid-memsafety_true-termination.i [2018-01-31 09:02:41,032 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 09:02:41,043 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-31 09:02:41,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 09:02:41,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 09:02:41,055 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 09:02:41,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:02:41" (1/1) ... [2018-01-31 09:02:41,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a301ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:02:41, skipping insertion in model container [2018-01-31 09:02:41,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:02:41" (1/1) ... [2018-01-31 09:02:41,079 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:02:41,151 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 09:02:41,294 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:02:41,309 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 09:02:41,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:02:41 WrapperNode [2018-01-31 09:02:41,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 09:02:41,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 09:02:41,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 09:02:41,331 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 09:02:41,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:02:41" (1/1) ... [2018-01-31 09:02:41,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:02:41" (1/1) ... [2018-01-31 09:02:41,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:02:41" (1/1) ... [2018-01-31 09:02:41,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:02:41" (1/1) ... [2018-01-31 09:02:41,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:02:41" (1/1) ... [2018-01-31 09:02:41,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:02:41" (1/1) ... [2018-01-31 09:02:41,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:02:41" (1/1) ... [2018-01-31 09:02:41,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 09:02:41,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 09:02:41,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 09:02:41,370 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 09:02:41,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:02:41" (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 09:02:41,419 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 09:02:41,419 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 09:02:41,419 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-31 09:02:41,420 INFO L136 BoogieDeclarations]: Found implementation of procedure h5 [2018-01-31 09:02:41,420 INFO L136 BoogieDeclarations]: Found implementation of procedure g5 [2018-01-31 09:02:41,420 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-31 09:02:41,420 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 09:02:41,420 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 09:02:41,420 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 09:02:41,421 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 09:02:41,421 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-31 09:02:41,421 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-31 09:02:41,421 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 09:02:41,421 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-31 09:02:41,422 INFO L128 BoogieDeclarations]: Found specification of procedure h5 [2018-01-31 09:02:41,422 INFO L128 BoogieDeclarations]: Found specification of procedure g5 [2018-01-31 09:02:41,422 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-31 09:02:41,422 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 09:02:41,422 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 09:02:41,422 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 09:02:41,756 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 09:02:41,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:02:41 BoogieIcfgContainer [2018-01-31 09:02:41,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 09:02:41,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 09:02:41,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 09:02:41,766 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 09:02:41,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:02:41" (1/3) ... [2018-01-31 09:02:41,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5e0a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:02:41, skipping insertion in model container [2018-01-31 09:02:41,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:02:41" (2/3) ... [2018-01-31 09:02:41,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5e0a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:02:41, skipping insertion in model container [2018-01-31 09:02:41,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:02:41" (3/3) ... [2018-01-31 09:02:41,769 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test5_true-valid-memsafety_true-termination.i [2018-01-31 09:02:41,776 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 09:02:41,782 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-31 09:02:41,827 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 09:02:41,827 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 09:02:41,827 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 09:02:41,827 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 09:02:41,827 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 09:02:41,827 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 09:02:41,827 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 09:02:41,828 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 09:02:41,828 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 09:02:41,846 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-01-31 09:02:41,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-31 09:02:41,854 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:02:41,855 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, 1, 1, 1, 1, 1] [2018-01-31 09:02:41,855 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]=== [2018-01-31 09:02:41,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1778176818, now seen corresponding path program 1 times [2018-01-31 09:02:41,862 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:02:41,863 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:02:41,923 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:02:41,924 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:02:41,924 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:02:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:02:42,008 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:02:42,439 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 09:02:42,447 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:02:42,447 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-01-31 09:02:42,449 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-31 09:02:42,461 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-31 09:02:42,462 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-01-31 09:02:42,464 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 10 states. [2018-01-31 09:02:42,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:02:42,954 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-01-31 09:02:42,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-01-31 09:02:42,956 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-01-31 09:02:42,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:02:42,967 INFO L225 Difference]: With dead ends: 60 [2018-01-31 09:02:42,968 INFO L226 Difference]: Without dead ends: 56 [2018-01-31 09:02:42,970 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-01-31 09:02:42,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-01-31 09:02:42,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2018-01-31 09:02:42,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-01-31 09:02:43,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 56 transitions. [2018-01-31 09:02:43,001 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 56 transitions. Word has length 27 [2018-01-31 09:02:43,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:02:43,002 INFO L432 AbstractCegarLoop]: Abstraction has 53 states and 56 transitions. [2018-01-31 09:02:43,002 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-31 09:02:43,002 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 56 transitions. [2018-01-31 09:02:43,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-31 09:02:43,003 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:02:43,004 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, 1, 1, 1, 1, 1] [2018-01-31 09:02:43,004 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]=== [2018-01-31 09:02:43,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1778176817, now seen corresponding path program 1 times [2018-01-31 09:02:43,004 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:02:43,004 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:02:43,006 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:02:43,006 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:02:43,006 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:02:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:02:43,041 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:02:43,152 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 09:02:43,152 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:02:43,152 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-01-31 09:02:43,154 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-31 09:02:43,155 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-31 09:02:43,155 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-01-31 09:02:43,155 INFO L87 Difference]: Start difference. First operand 53 states and 56 transitions. Second operand 10 states. [2018-01-31 09:02:43,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:02:43,689 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2018-01-31 09:02:43,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-01-31 09:02:43,690 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-01-31 09:02:43,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:02:43,691 INFO L225 Difference]: With dead ends: 58 [2018-01-31 09:02:43,691 INFO L226 Difference]: Without dead ends: 57 [2018-01-31 09:02:43,692 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-01-31 09:02:43,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-01-31 09:02:43,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 53. [2018-01-31 09:02:43,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-01-31 09:02:43,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2018-01-31 09:02:43,701 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 27 [2018-01-31 09:02:43,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:02:43,702 INFO L432 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2018-01-31 09:02:43,702 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-31 09:02:43,702 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2018-01-31 09:02:43,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-01-31 09:02:43,703 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:02:43,704 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, 1, 1, 1, 1, 1, 1] [2018-01-31 09:02:43,704 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]=== [2018-01-31 09:02:43,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1770482790, now seen corresponding path program 1 times [2018-01-31 09:02:43,704 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:02:43,704 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:02:43,706 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:02:43,706 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:02:43,706 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:02:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:02:43,724 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:02:43,831 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 09:02:43,831 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:02:43,831 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-01-31 09:02:43,832 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-01-31 09:02:43,832 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-01-31 09:02:43,832 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-01-31 09:02:43,832 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 11 states. [2018-01-31 09:02:44,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:02:44,113 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2018-01-31 09:02:44,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-01-31 09:02:44,113 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 28 [2018-01-31 09:02:44,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:02:44,115 INFO L225 Difference]: With dead ends: 53 [2018-01-31 09:02:44,115 INFO L226 Difference]: Without dead ends: 52 [2018-01-31 09:02:44,115 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2018-01-31 09:02:44,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-01-31 09:02:44,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-01-31 09:02:44,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-01-31 09:02:44,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2018-01-31 09:02:44,124 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 28 [2018-01-31 09:02:44,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:02:44,124 INFO L432 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2018-01-31 09:02:44,124 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-01-31 09:02:44,124 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2018-01-31 09:02:44,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-01-31 09:02:44,126 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:02:44,126 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, 1, 1, 1, 1, 1, 1] [2018-01-31 09:02:44,126 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]=== [2018-01-31 09:02:44,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1770482791, now seen corresponding path program 1 times [2018-01-31 09:02:44,126 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:02:44,127 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:02:44,128 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:02:44,128 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:02:44,128 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:02:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:02:44,144 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:02:44,333 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 09:02:44,333 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:02:44,333 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-01-31 09:02:44,333 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-01-31 09:02:44,334 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-01-31 09:02:44,334 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-01-31 09:02:44,334 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand 11 states. [2018-01-31 09:02:44,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:02:44,885 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2018-01-31 09:02:44,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-01-31 09:02:44,886 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 28 [2018-01-31 09:02:44,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:02:44,887 INFO L225 Difference]: With dead ends: 56 [2018-01-31 09:02:44,887 INFO L226 Difference]: Without dead ends: 55 [2018-01-31 09:02:44,887 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2018-01-31 09:02:44,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-01-31 09:02:44,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 36. [2018-01-31 09:02:44,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-01-31 09:02:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2018-01-31 09:02:44,893 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 28 [2018-01-31 09:02:44,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:02:44,893 INFO L432 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2018-01-31 09:02:44,893 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-01-31 09:02:44,893 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-01-31 09:02:44,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-31 09:02:44,894 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:02:44,894 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:02:44,894 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]=== [2018-01-31 09:02:44,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1556839737, now seen corresponding path program 1 times [2018-01-31 09:02:44,894 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:02:44,894 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:02:44,896 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:02:44,898 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:02:44,898 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:02:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:02:44,910 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:02:44,964 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 09:02:44,965 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:02:44,965 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-31 09:02:44,965 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-31 09:02:44,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-31 09:02:44,965 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-31 09:02:44,966 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 3 states. [2018-01-31 09:02:45,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:02:45,009 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2018-01-31 09:02:45,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-31 09:02:45,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-01-31 09:02:45,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:02:45,010 INFO L225 Difference]: With dead ends: 52 [2018-01-31 09:02:45,011 INFO L226 Difference]: Without dead ends: 48 [2018-01-31 09:02:45,011 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-31 09:02:45,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-01-31 09:02:45,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-01-31 09:02:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-01-31 09:02:45,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2018-01-31 09:02:45,024 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 31 [2018-01-31 09:02:45,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:02:45,024 INFO L432 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2018-01-31 09:02:45,024 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-31 09:02:45,024 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2018-01-31 09:02:45,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-31 09:02:45,026 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:02:45,026 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:02:45,027 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]=== [2018-01-31 09:02:45,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1316368593, now seen corresponding path program 1 times [2018-01-31 09:02:45,027 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:02:45,027 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:02:45,028 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:02:45,029 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:02:45,029 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:02:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:02:45,044 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:02:45,629 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 09:02:45,629 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:02:45,629 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-01-31 09:02:45,630 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-01-31 09:02:45,630 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-01-31 09:02:45,630 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-01-31 09:02:45,630 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand 11 states. [2018-01-31 09:02:45,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:02:45,713 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2018-01-31 09:02:45,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-01-31 09:02:45,713 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2018-01-31 09:02:45,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:02:45,714 INFO L225 Difference]: With dead ends: 54 [2018-01-31 09:02:45,714 INFO L226 Difference]: Without dead ends: 48 [2018-01-31 09:02:45,715 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2018-01-31 09:02:45,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-01-31 09:02:45,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 36. [2018-01-31 09:02:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-01-31 09:02:45,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2018-01-31 09:02:45,720 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 32 [2018-01-31 09:02:45,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:02:45,721 INFO L432 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2018-01-31 09:02:45,721 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-01-31 09:02:45,721 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2018-01-31 09:02:45,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-31 09:02:45,722 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:02:45,722 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:02:45,722 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]=== [2018-01-31 09:02:45,722 INFO L82 PathProgramCache]: Analyzing trace with hash 671099184, now seen corresponding path program 1 times [2018-01-31 09:02:45,722 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:02:45,722 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:02:45,723 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:02:45,724 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:02:45,724 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:02:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:02:45,732 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:02:45,897 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 09:02:45,898 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:02:45,898 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-01-31 09:02:45,898 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-01-31 09:02:45,898 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-01-31 09:02:45,898 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2018-01-31 09:02:45,899 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 11 states. [2018-01-31 09:02:46,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:02:46,034 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2018-01-31 09:02:46,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-01-31 09:02:46,035 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2018-01-31 09:02:46,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:02:46,036 INFO L225 Difference]: With dead ends: 50 [2018-01-31 09:02:46,036 INFO L226 Difference]: Without dead ends: 34 [2018-01-31 09:02:46,037 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2018-01-31 09:02:46,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-01-31 09:02:46,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-01-31 09:02:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-01-31 09:02:46,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 33 transitions. [2018-01-31 09:02:46,043 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 33 transitions. Word has length 32 [2018-01-31 09:02:46,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:02:46,043 INFO L432 AbstractCegarLoop]: Abstraction has 34 states and 33 transitions. [2018-01-31 09:02:46,043 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-01-31 09:02:46,044 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 33 transitions. [2018-01-31 09:02:46,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-01-31 09:02:46,045 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 09:02:46,045 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 09:02:46,045 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]=== [2018-01-31 09:02:46,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1806428312, now seen corresponding path program 1 times [2018-01-31 09:02:46,045 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 09:02:46,045 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 09:02:46,047 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:02:46,049 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 09:02:46,049 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 09:02:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 09:02:46,064 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 09:02:46,311 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 09:02:46,311 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 09:02:46,312 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-01-31 09:02:46,312 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-01-31 09:02:46,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-01-31 09:02:46,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-01-31 09:02:46,313 INFO L87 Difference]: Start difference. First operand 34 states and 33 transitions. Second operand 12 states. [2018-01-31 09:02:46,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 09:02:46,573 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-01-31 09:02:46,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-01-31 09:02:46,573 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 33 [2018-01-31 09:02:46,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 09:02:46,574 INFO L225 Difference]: With dead ends: 34 [2018-01-31 09:02:46,574 INFO L226 Difference]: Without dead ends: 0 [2018-01-31 09:02:46,575 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2018-01-31 09:02:46,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-31 09:02:46,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-31 09:02:46,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-31 09:02:46,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-31 09:02:46,575 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-01-31 09:02:46,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 09:02:46,576 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-31 09:02:46,576 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-01-31 09:02:46,576 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-31 09:02:46,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-31 09:02:46,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-31 09:02:46,740 INFO L395 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 09:02:46,740 INFO L399 ceAbstractionStarter]: For program point L1073(line 1073) no Hoare annotation was computed. [2018-01-31 09:02:46,740 INFO L399 ceAbstractionStarter]: For program point L1073''(line 1073) no Hoare annotation was computed. [2018-01-31 09:02:46,740 INFO L399 ceAbstractionStarter]: For program point L1073'''(line 1073) no Hoare annotation was computed. [2018-01-31 09:02:46,740 INFO L399 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-31 09:02:46,740 INFO L399 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-31 09:02:46,740 INFO L399 ceAbstractionStarter]: For program point L1073'(lines 1073 1077) no Hoare annotation was computed. [2018-01-31 09:02:46,740 INFO L399 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-31 09:02:46,741 INFO L399 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-31 09:02:46,741 INFO L399 ceAbstractionStarter]: For program point L1076(line 1076) no Hoare annotation was computed. [2018-01-31 09:02:46,741 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 1451) no Hoare annotation was computed. [2018-01-31 09:02:46,741 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1451) no Hoare annotation was computed. [2018-01-31 09:02:46,741 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1451) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 09:02:46,741 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1451) no Hoare annotation was computed. [2018-01-31 09:02:46,741 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1451) the Hoare annotation is: true [2018-01-31 09:02:46,741 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1451) no Hoare annotation was computed. [2018-01-31 09:02:46,741 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 1451) the Hoare annotation is: true [2018-01-31 09:02:46,741 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1451) no Hoare annotation was computed. [2018-01-31 09:02:46,741 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 1449 1451) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 09:02:46,742 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 1449 1451) no Hoare annotation was computed. [2018-01-31 09:02:46,742 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 1449 1451) no Hoare annotation was computed. [2018-01-31 09:02:46,742 INFO L399 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1449 1451) no Hoare annotation was computed. [2018-01-31 09:02:46,742 INFO L399 ceAbstractionStarter]: For program point L1434(line 1434) no Hoare annotation was computed. [2018-01-31 09:02:46,742 INFO L399 ceAbstractionStarter]: For program point L1435(line 1435) no Hoare annotation was computed. [2018-01-31 09:02:46,742 INFO L399 ceAbstractionStarter]: For program point h5EXIT(lines 1433 1436) no Hoare annotation was computed. [2018-01-31 09:02:46,742 INFO L395 ceAbstractionStarter]: At program point h5ENTRY(lines 1433 1436) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 09:02:46,742 INFO L399 ceAbstractionStarter]: For program point L1434'(line 1434) no Hoare annotation was computed. [2018-01-31 09:02:46,743 INFO L399 ceAbstractionStarter]: For program point h5FINAL(lines 1433 1436) no Hoare annotation was computed. [2018-01-31 09:02:46,743 INFO L395 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1444 1447) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 09:02:46,743 INFO L399 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1444 1447) no Hoare annotation was computed. [2018-01-31 09:02:46,743 INFO L399 ceAbstractionStarter]: For program point L1445(line 1445) no Hoare annotation was computed. [2018-01-31 09:02:46,743 INFO L395 ceAbstractionStarter]: At program point L1446(line 1446) the Hoare annotation is: (let ((.cse2 (select |#valid| entry_point_~p~10.base)) (.cse0 (= 0 entry_point_~p~10.base))) (let ((.cse1 (let ((.cse3 (let ((.cse4 (= 0 entry_point_~p~10.offset))) (or (and (= 1 .cse2) .cse4) (and .cse0 .cse4))))) (or (and (not .cse0) .cse3) (and (= |#valid| |old(#valid)|) .cse3))))) (or (and .cse0 .cse1) (and (= (store |old(#valid)| entry_point_~p~10.base .cse2) |#valid|) .cse1 (= (select |old(#valid)| entry_point_~p~10.base) 0))))) [2018-01-31 09:02:46,743 INFO L399 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1444 1447) no Hoare annotation was computed. [2018-01-31 09:02:46,743 INFO L399 ceAbstractionStarter]: For program point L1445'(line 1445) no Hoare annotation was computed. [2018-01-31 09:02:46,743 INFO L399 ceAbstractionStarter]: For program point g5Err1RequiresViolation(lines 1 1451) no Hoare annotation was computed. [2018-01-31 09:02:46,743 INFO L399 ceAbstractionStarter]: For program point g5EXIT(lines 1438 1442) no Hoare annotation was computed. [2018-01-31 09:02:46,743 INFO L399 ceAbstractionStarter]: For program point L1439(lines 1439 1441) no Hoare annotation was computed. [2018-01-31 09:02:46,744 INFO L399 ceAbstractionStarter]: For program point g5Err0RequiresViolation(lines 1 1451) no Hoare annotation was computed. [2018-01-31 09:02:46,744 INFO L395 ceAbstractionStarter]: At program point g5ENTRY(lines 1438 1442) the Hoare annotation is: (or (let ((.cse0 (not (= 0 |g5_#in~p.offset|)))) (and (or .cse0 (not (= (select |old(#valid)| |g5_#in~p.base|) 1))) (or .cse0 (not (= 0 |g5_#in~p.base|))))) (= |#valid| |old(#valid)|)) [2018-01-31 09:02:46,744 INFO L399 ceAbstractionStarter]: For program point L1439'(lines 1439 1441) no Hoare annotation was computed. [2018-01-31 09:02:46,744 INFO L399 ceAbstractionStarter]: For program point L1440(line 1440) no Hoare annotation was computed. [2018-01-31 09:02:46,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:02:46 BoogieIcfgContainer [2018-01-31 09:02:46,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 09:02:46,748 INFO L168 Benchmark]: Toolchain (without parser) took 5715.54 ms. Allocated memory was 308.8 MB in the beginning and 499.6 MB in the end (delta: 190.8 MB). Free memory was 267.5 MB in the beginning and 411.7 MB in the end (delta: -144.1 MB). Peak memory consumption was 46.7 MB. Max. memory is 5.3 GB. [2018-01-31 09:02:46,750 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 308.8 MB. Free memory is still 274.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 09:02:46,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.52 ms. Allocated memory is still 308.8 MB. Free memory was 267.5 MB in the beginning and 254.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:02:46,750 INFO L168 Benchmark]: Boogie Preprocessor took 38.50 ms. Allocated memory is still 308.8 MB. Free memory was 254.6 MB in the beginning and 253.6 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-31 09:02:46,750 INFO L168 Benchmark]: RCFGBuilder took 393.60 ms. Allocated memory is still 308.8 MB. Free memory was 253.6 MB in the beginning and 237.6 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 5.3 GB. [2018-01-31 09:02:46,750 INFO L168 Benchmark]: TraceAbstraction took 4983.87 ms. Allocated memory was 308.8 MB in the beginning and 499.6 MB in the end (delta: 190.8 MB). Free memory was 237.6 MB in the beginning and 411.7 MB in the end (delta: -174.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 5.3 GB. [2018-01-31 09:02:46,752 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 308.8 MB. Free memory is still 274.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 284.52 ms. Allocated memory is still 308.8 MB. Free memory was 267.5 MB in the beginning and 254.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.50 ms. Allocated memory is still 308.8 MB. Free memory was 254.6 MB in the beginning and 253.6 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 393.60 ms. Allocated memory is still 308.8 MB. Free memory was 253.6 MB in the beginning and 237.6 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4983.87 ms. Allocated memory was 308.8 MB in the beginning and 499.6 MB in the end (delta: 190.8 MB). Free memory was 237.6 MB in the beginning and 411.7 MB in the end (delta: -174.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1449]: 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 7 procedures, 41 locations, 3 error locations. SAFE Result, 4.9s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 266 SDtfs, 96 SDslu, 1818 SDs, 0 SdLazy, 720 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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, 8 MinimizatonAttempts, 38 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 10 PreInvPairs, 11 NumberOfFragments, 149 HoareAnnotationTreeSize, 10 FomulaSimplifications, 7 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 238 NumberOfCodeBlocks, 238 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 24563 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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_test5_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-31_09-02-46-760.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_09-02-46-760.csv Received shutdown request...