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/memsafety/test-0019_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cceb4a [2018-01-29 23:06:52,582 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-29 23:06:52,584 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-29 23:06:52,598 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-29 23:06:52,599 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-29 23:06:52,600 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-29 23:06:52,601 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-29 23:06:52,603 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-29 23:06:52,605 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-29 23:06:52,606 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-29 23:06:52,607 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-29 23:06:52,607 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-29 23:06:52,608 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-29 23:06:52,609 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-29 23:06:52,610 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-29 23:06:52,613 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-29 23:06:52,615 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-29 23:06:52,617 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-29 23:06:52,619 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-29 23:06:52,620 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-29 23:06:52,623 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-29 23:06:52,623 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-29 23:06:52,623 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-29 23:06:52,624 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-29 23:06:52,625 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-29 23:06:52,626 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-29 23:06:52,626 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-29 23:06:52,627 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-29 23:06:52,627 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-29 23:06:52,627 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-29 23:06:52,628 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-29 23:06:52,628 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 [2018-01-29 23:06:52,639 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-29 23:06:52,640 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-29 23:06:52,641 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-29 23:06:52,641 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-29 23:06:52,641 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-29 23:06:52,641 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-29 23:06:52,642 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-29 23:06:52,642 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-29 23:06:52,642 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-29 23:06:52,643 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-29 23:06:52,643 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-29 23:06:52,643 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-29 23:06:52,643 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-29 23:06:52,644 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-29 23:06:52,644 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-29 23:06:52,644 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-29 23:06:52,644 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-29 23:06:52,644 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-29 23:06:52,645 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-29 23:06:52,645 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-29 23:06:52,645 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-29 23:06:52,645 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-29 23:06:52,645 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-29 23:06:52,646 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-29 23:06:52,646 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-29 23:06:52,646 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-29 23:06:52,646 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-29 23:06:52,646 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-29 23:06:52,647 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-29 23:06:52,647 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-29 23:06:52,647 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-29 23:06:52,647 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-29 23:06:52,648 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-29 23:06:52,648 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-29 23:06:52,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-29 23:06:52,698 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-29 23:06:52,702 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-29 23:06:52,704 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-29 23:06:52,704 INFO L276 PluginConnector]: CDTParser initialized [2018-01-29 23:06:52,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0019_false-valid-memtrack_true-termination.i [2018-01-29 23:06:52,859 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-29 23:06:52,866 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-29 23:06:52,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-29 23:06:52,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-29 23:06:52,871 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-29 23:06:52,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:06:52" (1/1) ... [2018-01-29 23:06:52,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572fd3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:06:52, skipping insertion in model container [2018-01-29 23:06:52,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:06:52" (1/1) ... [2018-01-29 23:06:52,888 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 23:06:52,925 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 23:06:53,036 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 23:06:53,060 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 23:06:53,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:06:53 WrapperNode [2018-01-29 23:06:53,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-29 23:06:53,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-29 23:06:53,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-29 23:06:53,081 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-29 23:06:53,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:06:53" (1/1) ... [2018-01-29 23:06:53,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:06:53" (1/1) ... [2018-01-29 23:06:53,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:06:53" (1/1) ... [2018-01-29 23:06:53,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:06:53" (1/1) ... [2018-01-29 23:06:53,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:06:53" (1/1) ... [2018-01-29 23:06:53,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:06:53" (1/1) ... [2018-01-29 23:06:53,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:06:53" (1/1) ... [2018-01-29 23:06:53,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-29 23:06:53,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-29 23:06:53,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-29 23:06:53,131 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-29 23:06:53,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:06:53" (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 [2018-01-29 23:06:53,193 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-29 23:06:53,194 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-29 23:06:53,194 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_data [2018-01-29 23:06:53,194 INFO L136 BoogieDeclarations]: Found implementation of procedure free_data [2018-01-29 23:06:53,194 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-29 23:06:53,194 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-29 23:06:53,194 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-29 23:06:53,194 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-29 23:06:53,194 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-29 23:06:53,195 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-29 23:06:53,195 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-29 23:06:53,195 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-29 23:06:53,195 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_data [2018-01-29 23:06:53,195 INFO L128 BoogieDeclarations]: Found specification of procedure free_data [2018-01-29 23:06:53,195 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-29 23:06:53,196 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-29 23:06:53,196 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-29 23:06:53,434 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-29 23:06:53,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:06:53 BoogieIcfgContainer [2018-01-29 23:06:53,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-29 23:06:53,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-29 23:06:53,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-29 23:06:53,438 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-29 23:06:53,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 11:06:52" (1/3) ... [2018-01-29 23:06:53,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41886582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:06:53, skipping insertion in model container [2018-01-29 23:06:53,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:06:53" (2/3) ... [2018-01-29 23:06:53,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41886582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:06:53, skipping insertion in model container [2018-01-29 23:06:53,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:06:53" (3/3) ... [2018-01-29 23:06:53,441 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0019_false-valid-memtrack_true-termination.i [2018-01-29 23:06:53,447 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-29 23:06:53,454 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-01-29 23:06:53,489 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-29 23:06:53,489 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-29 23:06:53,489 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-29 23:06:53,489 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-29 23:06:53,489 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-29 23:06:53,490 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-29 23:06:53,490 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-29 23:06:53,490 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-29 23:06:53,490 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-29 23:06:53,504 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-01-29 23:06:53,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-29 23:06:53,510 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 23:06:53,511 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 23:06:53,511 INFO L371 AbstractCegarLoop]: === Iteration 1 === [alloc_dataErr2RequiresViolation, alloc_dataErr0RequiresViolation, alloc_dataErr1RequiresViolation, alloc_dataErr3RequiresViolation, mainErr0EnsuresViolation, free_dataErr3RequiresViolation, free_dataErr1RequiresViolation, free_dataErr7RequiresViolation, free_dataErr10RequiresViolation, free_dataErr9RequiresViolation, free_dataErr11RequiresViolation, free_dataErr2RequiresViolation, free_dataErr8RequiresViolation, free_dataErr4RequiresViolation, free_dataErr6RequiresViolation, free_dataErr0RequiresViolation, free_dataErr5RequiresViolation]=== [2018-01-29 23:06:53,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1846006383, now seen corresponding path program 1 times [2018-01-29 23:06:53,519 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 23:06:53,520 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 23:06:53,577 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:53,577 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 23:06:53,577 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 23:06:53,648 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 23:06:53,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 23:06:53,804 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 23:06:53,805 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-29 23:06:53,806 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-29 23:06:53,817 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-29 23:06:53,817 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-29 23:06:53,819 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 5 states. [2018-01-29 23:06:54,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 23:06:54,116 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2018-01-29 23:06:54,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-29 23:06:54,118 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-01-29 23:06:54,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 23:06:54,129 INFO L225 Difference]: With dead ends: 54 [2018-01-29 23:06:54,130 INFO L226 Difference]: Without dead ends: 49 [2018-01-29 23:06:54,133 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-29 23:06:54,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-01-29 23:06:54,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-01-29 23:06:54,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-01-29 23:06:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-01-29 23:06:54,175 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 11 [2018-01-29 23:06:54,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 23:06:54,175 INFO L432 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-01-29 23:06:54,175 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-29 23:06:54,176 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-01-29 23:06:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-29 23:06:54,176 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 23:06:54,176 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 23:06:54,177 INFO L371 AbstractCegarLoop]: === Iteration 2 === [alloc_dataErr2RequiresViolation, alloc_dataErr0RequiresViolation, alloc_dataErr1RequiresViolation, alloc_dataErr3RequiresViolation, mainErr0EnsuresViolation, free_dataErr3RequiresViolation, free_dataErr1RequiresViolation, free_dataErr7RequiresViolation, free_dataErr10RequiresViolation, free_dataErr9RequiresViolation, free_dataErr11RequiresViolation, free_dataErr2RequiresViolation, free_dataErr8RequiresViolation, free_dataErr4RequiresViolation, free_dataErr6RequiresViolation, free_dataErr0RequiresViolation, free_dataErr5RequiresViolation]=== [2018-01-29 23:06:54,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1846006382, now seen corresponding path program 1 times [2018-01-29 23:06:54,177 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 23:06:54,177 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 23:06:54,178 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:54,179 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 23:06:54,179 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 23:06:54,202 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 23:06:54,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 23:06:54,321 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 23:06:54,322 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-29 23:06:54,323 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-29 23:06:54,324 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-29 23:06:54,324 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-29 23:06:54,324 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 6 states. [2018-01-29 23:06:54,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 23:06:54,623 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-01-29 23:06:54,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-29 23:06:54,624 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-01-29 23:06:54,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 23:06:54,625 INFO L225 Difference]: With dead ends: 49 [2018-01-29 23:06:54,625 INFO L226 Difference]: Without dead ends: 47 [2018-01-29 23:06:54,626 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-01-29 23:06:54,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-01-29 23:06:54,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-01-29 23:06:54,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-01-29 23:06:54,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-01-29 23:06:54,633 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 11 [2018-01-29 23:06:54,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 23:06:54,634 INFO L432 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-01-29 23:06:54,634 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-29 23:06:54,634 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-01-29 23:06:54,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-29 23:06:54,635 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 23:06:54,635 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 23:06:54,635 INFO L371 AbstractCegarLoop]: === Iteration 3 === [alloc_dataErr2RequiresViolation, alloc_dataErr0RequiresViolation, alloc_dataErr1RequiresViolation, alloc_dataErr3RequiresViolation, mainErr0EnsuresViolation, free_dataErr3RequiresViolation, free_dataErr1RequiresViolation, free_dataErr7RequiresViolation, free_dataErr10RequiresViolation, free_dataErr9RequiresViolation, free_dataErr11RequiresViolation, free_dataErr2RequiresViolation, free_dataErr8RequiresViolation, free_dataErr4RequiresViolation, free_dataErr6RequiresViolation, free_dataErr0RequiresViolation, free_dataErr5RequiresViolation]=== [2018-01-29 23:06:54,635 INFO L82 PathProgramCache]: Analyzing trace with hash 635583073, now seen corresponding path program 1 times [2018-01-29 23:06:54,636 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 23:06:54,636 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 23:06:54,637 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:54,637 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 23:06:54,637 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 23:06:54,657 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 23:06:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 23:06:54,714 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 23:06:54,714 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-29 23:06:54,714 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-29 23:06:54,714 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-29 23:06:54,715 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-29 23:06:54,715 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 7 states. [2018-01-29 23:06:54,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 23:06:54,973 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2018-01-29 23:06:54,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-29 23:06:54,973 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-01-29 23:06:54,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 23:06:54,975 INFO L225 Difference]: With dead ends: 56 [2018-01-29 23:06:54,975 INFO L226 Difference]: Without dead ends: 52 [2018-01-29 23:06:54,976 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-01-29 23:06:54,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-01-29 23:06:54,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 45. [2018-01-29 23:06:54,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-01-29 23:06:54,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2018-01-29 23:06:54,983 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 18 [2018-01-29 23:06:54,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 23:06:54,983 INFO L432 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2018-01-29 23:06:54,983 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-29 23:06:54,983 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-01-29 23:06:54,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-29 23:06:54,984 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 23:06:54,984 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 23:06:54,984 INFO L371 AbstractCegarLoop]: === Iteration 4 === [alloc_dataErr2RequiresViolation, alloc_dataErr0RequiresViolation, alloc_dataErr1RequiresViolation, alloc_dataErr3RequiresViolation, mainErr0EnsuresViolation, free_dataErr3RequiresViolation, free_dataErr1RequiresViolation, free_dataErr7RequiresViolation, free_dataErr10RequiresViolation, free_dataErr9RequiresViolation, free_dataErr11RequiresViolation, free_dataErr2RequiresViolation, free_dataErr8RequiresViolation, free_dataErr4RequiresViolation, free_dataErr6RequiresViolation, free_dataErr0RequiresViolation, free_dataErr5RequiresViolation]=== [2018-01-29 23:06:54,985 INFO L82 PathProgramCache]: Analyzing trace with hash 635583074, now seen corresponding path program 1 times [2018-01-29 23:06:54,985 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 23:06:54,985 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 23:06:54,986 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:54,986 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 23:06:54,986 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 23:06:55,004 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 23:06:55,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 23:06:55,125 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 23:06:55,125 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-29 23:06:55,125 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-29 23:06:55,125 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-29 23:06:55,126 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-01-29 23:06:55,126 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 8 states. [2018-01-29 23:06:55,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 23:06:55,224 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2018-01-29 23:06:55,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-29 23:06:55,224 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-01-29 23:06:55,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 23:06:55,225 INFO L225 Difference]: With dead ends: 45 [2018-01-29 23:06:55,225 INFO L226 Difference]: Without dead ends: 41 [2018-01-29 23:06:55,225 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-01-29 23:06:55,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-01-29 23:06:55,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-01-29 23:06:55,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-01-29 23:06:55,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-01-29 23:06:55,229 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 18 [2018-01-29 23:06:55,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 23:06:55,229 INFO L432 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-01-29 23:06:55,229 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-29 23:06:55,229 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-01-29 23:06:55,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-29 23:06:55,230 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 23:06:55,230 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, 1, 1, 1] [2018-01-29 23:06:55,230 INFO L371 AbstractCegarLoop]: === Iteration 5 === [alloc_dataErr2RequiresViolation, alloc_dataErr0RequiresViolation, alloc_dataErr1RequiresViolation, alloc_dataErr3RequiresViolation, mainErr0EnsuresViolation, free_dataErr3RequiresViolation, free_dataErr1RequiresViolation, free_dataErr7RequiresViolation, free_dataErr10RequiresViolation, free_dataErr9RequiresViolation, free_dataErr11RequiresViolation, free_dataErr2RequiresViolation, free_dataErr8RequiresViolation, free_dataErr4RequiresViolation, free_dataErr6RequiresViolation, free_dataErr0RequiresViolation, free_dataErr5RequiresViolation]=== [2018-01-29 23:06:55,230 INFO L82 PathProgramCache]: Analyzing trace with hash -858086304, now seen corresponding path program 1 times [2018-01-29 23:06:55,230 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 23:06:55,230 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 23:06:55,231 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:55,231 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 23:06:55,231 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 23:06:55,250 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 23:06:55,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 23:06:55,471 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 23:06:55,471 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-01-29 23:06:55,471 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-01-29 23:06:55,472 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-01-29 23:06:55,472 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-01-29 23:06:55,472 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 11 states. [2018-01-29 23:06:55,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 23:06:55,617 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-01-29 23:06:55,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-29 23:06:55,617 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2018-01-29 23:06:55,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 23:06:55,619 INFO L225 Difference]: With dead ends: 41 [2018-01-29 23:06:55,619 INFO L226 Difference]: Without dead ends: 40 [2018-01-29 23:06:55,619 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-01-29 23:06:55,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-01-29 23:06:55,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-01-29 23:06:55,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-01-29 23:06:55,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2018-01-29 23:06:55,624 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 25 [2018-01-29 23:06:55,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 23:06:55,624 INFO L432 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2018-01-29 23:06:55,624 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-01-29 23:06:55,624 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2018-01-29 23:06:55,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-29 23:06:55,625 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 23:06:55,625 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, 1, 1, 1] [2018-01-29 23:06:55,625 INFO L371 AbstractCegarLoop]: === Iteration 6 === [alloc_dataErr2RequiresViolation, alloc_dataErr0RequiresViolation, alloc_dataErr1RequiresViolation, alloc_dataErr3RequiresViolation, mainErr0EnsuresViolation, free_dataErr3RequiresViolation, free_dataErr1RequiresViolation, free_dataErr7RequiresViolation, free_dataErr10RequiresViolation, free_dataErr9RequiresViolation, free_dataErr11RequiresViolation, free_dataErr2RequiresViolation, free_dataErr8RequiresViolation, free_dataErr4RequiresViolation, free_dataErr6RequiresViolation, free_dataErr0RequiresViolation, free_dataErr5RequiresViolation]=== [2018-01-29 23:06:55,625 INFO L82 PathProgramCache]: Analyzing trace with hash -858086303, now seen corresponding path program 1 times [2018-01-29 23:06:55,625 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 23:06:55,625 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 23:06:55,626 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:55,626 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 23:06:55,626 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 23:06:55,641 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 23:06:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 23:06:55,781 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 23:06:55,853 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-01-29 23:06:55,854 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-01-29 23:06:55,854 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-01-29 23:06:55,854 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-01-29 23:06:55,854 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 11 states. [2018-01-29 23:06:56,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 23:06:56,002 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-01-29 23:06:56,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-01-29 23:06:56,002 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2018-01-29 23:06:56,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 23:06:56,005 INFO L225 Difference]: With dead ends: 43 [2018-01-29 23:06:56,006 INFO L226 Difference]: Without dead ends: 42 [2018-01-29 23:06:56,006 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-01-29 23:06:56,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-01-29 23:06:56,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2018-01-29 23:06:56,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-01-29 23:06:56,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-01-29 23:06:56,012 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 25 [2018-01-29 23:06:56,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 23:06:56,013 INFO L432 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-01-29 23:06:56,013 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-01-29 23:06:56,013 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-01-29 23:06:56,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-29 23:06:56,014 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 23:06:56,014 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, 1, 1, 1, 1] [2018-01-29 23:06:56,014 INFO L371 AbstractCegarLoop]: === Iteration 7 === [alloc_dataErr2RequiresViolation, alloc_dataErr0RequiresViolation, alloc_dataErr1RequiresViolation, alloc_dataErr3RequiresViolation, mainErr0EnsuresViolation, free_dataErr3RequiresViolation, free_dataErr1RequiresViolation, free_dataErr7RequiresViolation, free_dataErr10RequiresViolation, free_dataErr9RequiresViolation, free_dataErr11RequiresViolation, free_dataErr2RequiresViolation, free_dataErr8RequiresViolation, free_dataErr4RequiresViolation, free_dataErr6RequiresViolation, free_dataErr0RequiresViolation, free_dataErr5RequiresViolation]=== [2018-01-29 23:06:56,014 INFO L82 PathProgramCache]: Analyzing trace with hash -830871637, now seen corresponding path program 1 times [2018-01-29 23:06:56,015 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 23:06:56,015 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 23:06:56,015 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:56,016 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 23:06:56,016 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 23:06:56,030 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 23:06:56,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 23:06:56,259 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 23:06:56,259 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-01-29 23:06:56,260 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-01-29 23:06:56,260 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-01-29 23:06:56,260 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-01-29 23:06:56,260 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 12 states. [2018-01-29 23:06:56,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 23:06:56,470 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2018-01-29 23:06:56,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-01-29 23:06:56,471 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2018-01-29 23:06:56,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 23:06:56,472 INFO L225 Difference]: With dead ends: 42 [2018-01-29 23:06:56,472 INFO L226 Difference]: Without dead ends: 41 [2018-01-29 23:06:56,473 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2018-01-29 23:06:56,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-01-29 23:06:56,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2018-01-29 23:06:56,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-01-29 23:06:56,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2018-01-29 23:06:56,478 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 26 [2018-01-29 23:06:56,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 23:06:56,479 INFO L432 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2018-01-29 23:06:56,479 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-01-29 23:06:56,479 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2018-01-29 23:06:56,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-29 23:06:56,480 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 23:06:56,480 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, 1, 1, 1, 1] [2018-01-29 23:06:56,480 INFO L371 AbstractCegarLoop]: === Iteration 8 === [alloc_dataErr2RequiresViolation, alloc_dataErr0RequiresViolation, alloc_dataErr1RequiresViolation, alloc_dataErr3RequiresViolation, mainErr0EnsuresViolation, free_dataErr3RequiresViolation, free_dataErr1RequiresViolation, free_dataErr7RequiresViolation, free_dataErr10RequiresViolation, free_dataErr9RequiresViolation, free_dataErr11RequiresViolation, free_dataErr2RequiresViolation, free_dataErr8RequiresViolation, free_dataErr4RequiresViolation, free_dataErr6RequiresViolation, free_dataErr0RequiresViolation, free_dataErr5RequiresViolation]=== [2018-01-29 23:06:56,480 INFO L82 PathProgramCache]: Analyzing trace with hash -830871636, now seen corresponding path program 1 times [2018-01-29 23:06:56,480 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 23:06:56,481 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 23:06:56,481 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:56,482 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 23:06:56,482 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 23:06:56,495 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 23:06:56,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 23:06:56,757 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 23:06:56,757 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-01-29 23:06:56,758 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-01-29 23:06:56,758 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-01-29 23:06:56,758 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2018-01-29 23:06:56,758 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand 16 states. [2018-01-29 23:06:57,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 23:06:57,159 INFO L93 Difference]: Finished difference Result 46 states and 45 transitions. [2018-01-29 23:06:57,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-01-29 23:06:57,159 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2018-01-29 23:06:57,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 23:06:57,160 INFO L225 Difference]: With dead ends: 46 [2018-01-29 23:06:57,160 INFO L226 Difference]: Without dead ends: 33 [2018-01-29 23:06:57,160 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2018-01-29 23:06:57,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-01-29 23:06:57,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-01-29 23:06:57,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-01-29 23:06:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 32 transitions. [2018-01-29 23:06:57,164 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 32 transitions. Word has length 26 [2018-01-29 23:06:57,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 23:06:57,164 INFO L432 AbstractCegarLoop]: Abstraction has 33 states and 32 transitions. [2018-01-29 23:06:57,165 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-01-29 23:06:57,165 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 32 transitions. [2018-01-29 23:06:57,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-29 23:06:57,165 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 23:06:57,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 23:06:57,166 INFO L371 AbstractCegarLoop]: === Iteration 9 === [alloc_dataErr2RequiresViolation, alloc_dataErr0RequiresViolation, alloc_dataErr1RequiresViolation, alloc_dataErr3RequiresViolation, mainErr0EnsuresViolation, free_dataErr3RequiresViolation, free_dataErr1RequiresViolation, free_dataErr7RequiresViolation, free_dataErr10RequiresViolation, free_dataErr9RequiresViolation, free_dataErr11RequiresViolation, free_dataErr2RequiresViolation, free_dataErr8RequiresViolation, free_dataErr4RequiresViolation, free_dataErr6RequiresViolation, free_dataErr0RequiresViolation, free_dataErr5RequiresViolation]=== [2018-01-29 23:06:57,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1290828611, now seen corresponding path program 1 times [2018-01-29 23:06:57,166 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 23:06:57,166 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 23:06:57,167 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:57,167 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 23:06:57,167 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:06:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-29 23:06:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-29 23:06:57,227 INFO L409 BasicCegarLoop]: Counterexample might be feasible [2018-01-29 23:06:57,251 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-29 23:06:57,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 11:06:57 BoogieIcfgContainer [2018-01-29 23:06:57,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-29 23:06:57,271 INFO L168 Benchmark]: Toolchain (without parser) took 4411.62 ms. Allocated memory was 307.2 MB in the beginning and 519.0 MB in the end (delta: 211.8 MB). Free memory was 266.1 MB in the beginning and 490.6 MB in the end (delta: -224.5 MB). Peak memory consumption was 151.6 MB. Max. memory is 5.3 GB. [2018-01-29 23:06:57,272 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 307.2 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 23:06:57,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.56 ms. Allocated memory is still 307.2 MB. Free memory was 266.1 MB in the beginning and 256.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-29 23:06:57,273 INFO L168 Benchmark]: Boogie Preprocessor took 49.92 ms. Allocated memory is still 307.2 MB. Free memory was 256.2 MB in the beginning and 254.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-29 23:06:57,273 INFO L168 Benchmark]: RCFGBuilder took 303.72 ms. Allocated memory is still 307.2 MB. Free memory was 254.2 MB in the beginning and 235.2 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 5.3 GB. [2018-01-29 23:06:57,274 INFO L168 Benchmark]: TraceAbstraction took 3835.67 ms. Allocated memory was 307.2 MB in the beginning and 519.0 MB in the end (delta: 211.8 MB). Free memory was 235.2 MB in the beginning and 490.6 MB in the end (delta: -255.4 MB). Peak memory consumption was 120.7 MB. Max. memory is 5.3 GB. [2018-01-29 23:06:57,275 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 307.2 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 213.56 ms. Allocated memory is still 307.2 MB. Free memory was 266.1 MB in the beginning and 256.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 49.92 ms. Allocated memory is still 307.2 MB. Free memory was 256.2 MB in the beginning and 254.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 303.72 ms. Allocated memory is still 307.2 MB. Free memory was 254.2 MB in the beginning and 235.2 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3835.67 ms. Allocated memory was 307.2 MB in the beginning and 519.0 MB in the end (delta: 211.8 MB). Free memory was 235.2 MB in the beginning and 490.6 MB in the end (delta: -255.4 MB). Peak memory consumption was 120.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 639]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 639. Possible FailurePath: [L640] FCALL TData data; VAL [data={26:0}] [L641] CALL alloc_data(&data) VAL [pdata={26:0}] [L625] EXPR, FCALL malloc(16) VAL [malloc(16)={27:0}, pdata={26:0}, pdata={26:0}] [L625] FCALL pdata->lo = malloc(16) VAL [malloc(16)={27:0}, pdata={26:0}, pdata={26:0}] [L626] EXPR, FCALL malloc(24) VAL [malloc(16)={27:0}, malloc(24)={28:0}, pdata={26:0}, pdata={26:0}] [L626] RET, FCALL pdata->hi = malloc(24) VAL [malloc(16)={27:0}, malloc(24)={28:0}, pdata={26:0}, pdata={26:0}] [L641] alloc_data(&data) VAL [data={26:0}] [L642] CALL free_data(&data) VAL [data={26:0}] [L630] EXPR, FCALL data->lo VAL [data={26:0}, data={26:0}, data->lo={27:0}] [L630] void *lo = data->lo; VAL [data={26:0}, data={26:0}, data->lo={27:0}, lo={27:0}] [L631] EXPR, FCALL data->hi VAL [data={26:0}, data={26:0}, data->hi={28:0}, lo={27:0}] [L631] void *hi = data->hi; VAL [data={26:0}, data={26:0}, data->hi={28:0}, hi={28:0}, lo={27:0}] [L632] COND FALSE !(lo == hi) VAL [data={26:0}, data={26:0}, hi={28:0}, lo={27:0}] [L636] FCALL data->lo = (void *) 0 VAL [data={26:0}, data={26:0}, hi={28:0}, lo={27:0}] [L637] RET, FCALL data->hi = (void *) 0 VAL [data={26:0}, data={26:0}, hi={28:0}, lo={27:0}] [L642] free_data(&data) VAL [data={26:0}] [L643] return 0; VAL [\result=0, data={26:0}] [L643] return 0; VAL [\result=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 54 locations, 17 error locations. UNSAFE Result, 3.7s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 227 SDtfs, 267 SDslu, 842 SDs, 0 SdLazy, 853 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 13 SyntacticMatches, 3 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 20629 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 could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-29_23-06-57-283.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-29_23-06-57-283.csv Received shutdown request...