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_Taipan+AI_EQ.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test17_2_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 15:59:49,815 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 15:59:49,817 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 15:59:49,829 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 15:59:49,829 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 15:59:49,830 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 15:59:49,830 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 15:59:49,832 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 15:59:49,833 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 15:59:49,834 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 15:59:49,834 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 15:59:49,834 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 15:59:49,835 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 15:59:49,836 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 15:59:49,836 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 15:59:49,839 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 15:59:49,841 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 15:59:49,843 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 15:59:49,844 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 15:59:49,845 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 15:59:49,848 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 15:59:49,848 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 15:59:49,848 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 15:59:49,849 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 15:59:49,850 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 15:59:49,851 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 15:59:49,852 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 15:59:49,852 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 15:59:49,852 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 15:59:49,853 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 15:59:49,853 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 15:59:49,853 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ.epf [2018-01-24 15:59:49,863 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 15:59:49,864 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 15:59:49,864 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 15:59:49,864 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 15:59:49,865 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 15:59:49,865 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 15:59:49,865 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 15:59:49,866 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 15:59:49,866 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 15:59:49,866 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 15:59:49,866 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 15:59:49,866 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 15:59:49,867 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 15:59:49,867 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 15:59:49,867 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 15:59:49,867 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 15:59:49,867 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 15:59:49,868 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 15:59:49,868 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 15:59:49,868 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 15:59:49,868 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 15:59:49,868 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 15:59:49,869 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 15:59:49,869 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 15:59:49,869 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 15:59:49,869 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 15:59:49,869 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 15:59:49,870 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 15:59:49,870 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-24 15:59:49,870 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 15:59:49,870 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 15:59:49,870 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 15:59:49,870 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-24 15:59:49,871 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 15:59:49,871 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 15:59:49,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 15:59:49,918 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 15:59:49,922 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 15:59:49,924 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 15:59:49,924 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 15:59:49,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-01-24 15:59:50,118 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 15:59:50,125 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 15:59:50,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 15:59:50,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 15:59:50,134 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 15:59:50,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 03:59:50" (1/1) ... [2018-01-24 15:59:50,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2871eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:59:50, skipping insertion in model container [2018-01-24 15:59:50,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 03:59:50" (1/1) ... [2018-01-24 15:59:50,157 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 15:59:50,203 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 15:59:50,312 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 15:59:50,337 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 15:59:50,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:59:50 WrapperNode [2018-01-24 15:59:50,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 15:59:50,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 15:59:50,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 15:59:50,347 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 15:59:50,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:59:50" (1/1) ... [2018-01-24 15:59:50,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:59:50" (1/1) ... [2018-01-24 15:59:50,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:59:50" (1/1) ... [2018-01-24 15:59:50,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:59:50" (1/1) ... [2018-01-24 15:59:50,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:59:50" (1/1) ... [2018-01-24 15:59:50,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:59:50" (1/1) ... [2018-01-24 15:59:50,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:59:50" (1/1) ... [2018-01-24 15:59:50,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 15:59:50,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 15:59:50,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 15:59:50,381 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 15:59:50,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:59:50" (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 [2018-01-24 15:59:50,435 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 15:59:50,435 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 15:59:50,435 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-01-24 15:59:50,435 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-24 15:59:50,435 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_17 [2018-01-24 15:59:50,436 INFO L136 BoogieDeclarations]: Found implementation of procedure free_17 [2018-01-24 15:59:50,436 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-24 15:59:50,436 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 15:59:50,436 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 15:59:50,436 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 15:59:50,436 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 15:59:50,436 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 15:59:50,436 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 15:59:50,436 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 15:59:50,436 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 15:59:50,437 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 15:59:50,437 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-01-24 15:59:50,437 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-24 15:59:50,437 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-01-24 15:59:50,437 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_17 [2018-01-24 15:59:50,437 INFO L128 BoogieDeclarations]: Found specification of procedure free_17 [2018-01-24 15:59:50,437 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-24 15:59:50,437 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 15:59:50,437 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 15:59:50,437 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 15:59:50,700 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 15:59:50,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 03:59:50 BoogieIcfgContainer [2018-01-24 15:59:50,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 15:59:50,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-24 15:59:50,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-24 15:59:50,704 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-24 15:59:50,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 03:59:50" (1/3) ... [2018-01-24 15:59:50,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f53b4f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 03:59:50, skipping insertion in model container [2018-01-24 15:59:50,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:59:50" (2/3) ... [2018-01-24 15:59:50,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f53b4f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 03:59:50, skipping insertion in model container [2018-01-24 15:59:50,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 03:59:50" (3/3) ... [2018-01-24 15:59:50,708 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-01-24 15:59:50,717 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-24 15:59:50,724 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-01-24 15:59:50,774 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-24 15:59:50,774 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-24 15:59:50,774 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-24 15:59:50,774 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-24 15:59:50,774 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-24 15:59:50,775 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-24 15:59:50,775 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-24 15:59:50,775 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-24 15:59:50,776 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-24 15:59:50,799 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-01-24 15:59:50,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-24 15:59:50,806 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 15:59:50,807 INFO L322 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] [2018-01-24 15:59:50,808 INFO L371 AbstractCegarLoop]: === Iteration 1 === [alloc_17Err4RequiresViolation, alloc_17Err6RequiresViolation, alloc_17Err2RequiresViolation, alloc_17Err0RequiresViolation, alloc_17Err1RequiresViolation, alloc_17Err7RequiresViolation, alloc_17Err3RequiresViolation, alloc_17Err5RequiresViolation, mainErr0EnsuresViolation, free_17Err3RequiresViolation, free_17Err1RequiresViolation, free_17Err2RequiresViolation, free_17Err0RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-01-24 15:59:50,813 INFO L82 PathProgramCache]: Analyzing trace with hash 280514151, now seen corresponding path program 1 times [2018-01-24 15:59:50,816 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 15:59:50,881 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:59:50,881 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 15:59:50,882 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:59:50,882 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 15:59:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 15:59:50,943 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 15:59:51,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 15:59:51,046 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 15:59:51,047 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-24 15:59:51,047 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 15:59:51,051 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-24 15:59:51,134 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-24 15:59:51,135 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-24 15:59:51,137 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 3 states. [2018-01-24 15:59:51,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 15:59:51,328 INFO L93 Difference]: Finished difference Result 193 states and 234 transitions. [2018-01-24 15:59:51,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-24 15:59:51,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-01-24 15:59:51,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 15:59:51,342 INFO L225 Difference]: With dead ends: 193 [2018-01-24 15:59:51,342 INFO L226 Difference]: Without dead ends: 127 [2018-01-24 15:59:51,347 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-24 15:59:51,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-01-24 15:59:51,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 83. [2018-01-24 15:59:51,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-01-24 15:59:51,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 92 transitions. [2018-01-24 15:59:51,392 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 92 transitions. Word has length 23 [2018-01-24 15:59:51,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 15:59:51,393 INFO L432 AbstractCegarLoop]: Abstraction has 83 states and 92 transitions. [2018-01-24 15:59:51,393 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-24 15:59:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2018-01-24 15:59:51,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-24 15:59:51,395 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 15:59:51,395 INFO L322 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] [2018-01-24 15:59:51,396 INFO L371 AbstractCegarLoop]: === Iteration 2 === [alloc_17Err4RequiresViolation, alloc_17Err6RequiresViolation, alloc_17Err2RequiresViolation, alloc_17Err0RequiresViolation, alloc_17Err1RequiresViolation, alloc_17Err7RequiresViolation, alloc_17Err3RequiresViolation, alloc_17Err5RequiresViolation, mainErr0EnsuresViolation, free_17Err3RequiresViolation, free_17Err1RequiresViolation, free_17Err2RequiresViolation, free_17Err0RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-01-24 15:59:51,396 INFO L82 PathProgramCache]: Analyzing trace with hash 279746761, now seen corresponding path program 1 times [2018-01-24 15:59:51,396 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 15:59:51,398 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:59:51,398 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 15:59:51,398 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:59:51,398 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 15:59:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 15:59:51,417 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 15:59:51,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 15:59:51,485 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 15:59:51,485 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-24 15:59:51,485 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 15:59:51,486 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 15:59:51,487 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 15:59:51,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-24 15:59:51,487 INFO L87 Difference]: Start difference. First operand 83 states and 92 transitions. Second operand 5 states. [2018-01-24 15:59:51,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 15:59:51,535 INFO L93 Difference]: Finished difference Result 150 states and 164 transitions. [2018-01-24 15:59:51,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 15:59:51,536 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-01-24 15:59:51,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 15:59:51,537 INFO L225 Difference]: With dead ends: 150 [2018-01-24 15:59:51,538 INFO L226 Difference]: Without dead ends: 83 [2018-01-24 15:59:51,539 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-24 15:59:51,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-01-24 15:59:51,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2018-01-24 15:59:51,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-01-24 15:59:51,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 89 transitions. [2018-01-24 15:59:51,550 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 89 transitions. Word has length 23 [2018-01-24 15:59:51,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 15:59:51,551 INFO L432 AbstractCegarLoop]: Abstraction has 81 states and 89 transitions. [2018-01-24 15:59:51,551 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 15:59:51,551 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2018-01-24 15:59:51,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-24 15:59:51,552 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 15:59:51,552 INFO L322 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] [2018-01-24 15:59:51,552 INFO L371 AbstractCegarLoop]: === Iteration 3 === [alloc_17Err4RequiresViolation, alloc_17Err6RequiresViolation, alloc_17Err2RequiresViolation, alloc_17Err0RequiresViolation, alloc_17Err1RequiresViolation, alloc_17Err7RequiresViolation, alloc_17Err3RequiresViolation, alloc_17Err5RequiresViolation, mainErr0EnsuresViolation, free_17Err3RequiresViolation, free_17Err1RequiresViolation, free_17Err2RequiresViolation, free_17Err0RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-01-24 15:59:51,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1161746679, now seen corresponding path program 1 times [2018-01-24 15:59:51,553 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 15:59:51,554 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:59:51,554 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 15:59:51,554 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:59:51,555 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 15:59:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 15:59:51,575 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 15:59:51,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 15:59:51,649 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 15:59:51,649 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-24 15:59:51,649 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 15:59:51,649 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 15:59:51,649 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 15:59:51,649 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-24 15:59:51,650 INFO L87 Difference]: Start difference. First operand 81 states and 89 transitions. Second operand 6 states. [2018-01-24 15:59:51,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 15:59:51,736 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2018-01-24 15:59:51,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 15:59:51,736 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-01-24 15:59:51,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 15:59:51,737 INFO L225 Difference]: With dead ends: 85 [2018-01-24 15:59:51,737 INFO L226 Difference]: Without dead ends: 81 [2018-01-24 15:59:51,738 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-24 15:59:51,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-01-24 15:59:51,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-01-24 15:59:51,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-01-24 15:59:51,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 88 transitions. [2018-01-24 15:59:51,744 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 88 transitions. Word has length 25 [2018-01-24 15:59:51,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 15:59:51,744 INFO L432 AbstractCegarLoop]: Abstraction has 81 states and 88 transitions. [2018-01-24 15:59:51,744 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 15:59:51,744 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2018-01-24 15:59:51,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-24 15:59:51,745 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 15:59:51,745 INFO L322 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] [2018-01-24 15:59:51,745 INFO L371 AbstractCegarLoop]: === Iteration 4 === [alloc_17Err4RequiresViolation, alloc_17Err6RequiresViolation, alloc_17Err2RequiresViolation, alloc_17Err0RequiresViolation, alloc_17Err1RequiresViolation, alloc_17Err7RequiresViolation, alloc_17Err3RequiresViolation, alloc_17Err5RequiresViolation, mainErr0EnsuresViolation, free_17Err3RequiresViolation, free_17Err1RequiresViolation, free_17Err2RequiresViolation, free_17Err0RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-01-24 15:59:51,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1162514069, now seen corresponding path program 1 times [2018-01-24 15:59:51,745 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 15:59:51,747 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:59:51,747 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 15:59:51,747 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:59:51,747 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 15:59:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 15:59:51,760 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 15:59:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 15:59:51,803 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 15:59:51,804 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-24 15:59:51,804 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 15:59:51,804 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 15:59:51,804 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 15:59:51,804 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-24 15:59:51,804 INFO L87 Difference]: Start difference. First operand 81 states and 88 transitions. Second operand 6 states. [2018-01-24 15:59:51,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 15:59:51,926 INFO L93 Difference]: Finished difference Result 81 states and 88 transitions. [2018-01-24 15:59:51,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 15:59:51,927 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-01-24 15:59:51,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 15:59:51,928 INFO L225 Difference]: With dead ends: 81 [2018-01-24 15:59:51,929 INFO L226 Difference]: Without dead ends: 80 [2018-01-24 15:59:51,929 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-24 15:59:51,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-01-24 15:59:51,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-01-24 15:59:51,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-01-24 15:59:51,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2018-01-24 15:59:51,939 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 25 [2018-01-24 15:59:51,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 15:59:51,939 INFO L432 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2018-01-24 15:59:51,939 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 15:59:51,939 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2018-01-24 15:59:51,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-24 15:59:51,940 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 15:59:51,940 INFO L322 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] [2018-01-24 15:59:51,940 INFO L371 AbstractCegarLoop]: === Iteration 5 === [alloc_17Err4RequiresViolation, alloc_17Err6RequiresViolation, alloc_17Err2RequiresViolation, alloc_17Err0RequiresViolation, alloc_17Err1RequiresViolation, alloc_17Err7RequiresViolation, alloc_17Err3RequiresViolation, alloc_17Err5RequiresViolation, mainErr0EnsuresViolation, free_17Err3RequiresViolation, free_17Err1RequiresViolation, free_17Err2RequiresViolation, free_17Err0RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-01-24 15:59:51,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1162514068, now seen corresponding path program 1 times [2018-01-24 15:59:51,941 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 15:59:51,942 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:59:51,942 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 15:59:51,943 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:59:51,943 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 15:59:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 15:59:51,970 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 15:59:52,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 15:59:52,303 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 15:59:52,303 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-01-24 15:59:52,303 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 15:59:52,304 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-01-24 15:59:52,304 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-01-24 15:59:52,304 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2018-01-24 15:59:52,305 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand 11 states. [2018-01-24 15:59:52,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 15:59:52,544 INFO L93 Difference]: Finished difference Result 144 states and 156 transitions. [2018-01-24 15:59:52,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-24 15:59:52,546 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2018-01-24 15:59:52,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 15:59:52,548 INFO L225 Difference]: With dead ends: 144 [2018-01-24 15:59:52,548 INFO L226 Difference]: Without dead ends: 84 [2018-01-24 15:59:52,549 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2018-01-24 15:59:52,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-01-24 15:59:52,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 83. [2018-01-24 15:59:52,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-01-24 15:59:52,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 90 transitions. [2018-01-24 15:59:52,562 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 90 transitions. Word has length 25 [2018-01-24 15:59:52,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 15:59:52,562 INFO L432 AbstractCegarLoop]: Abstraction has 83 states and 90 transitions. [2018-01-24 15:59:52,563 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-01-24 15:59:52,563 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2018-01-24 15:59:52,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-24 15:59:52,564 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 15:59:52,564 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 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] [2018-01-24 15:59:52,565 INFO L371 AbstractCegarLoop]: === Iteration 6 === [alloc_17Err4RequiresViolation, alloc_17Err6RequiresViolation, alloc_17Err2RequiresViolation, alloc_17Err0RequiresViolation, alloc_17Err1RequiresViolation, alloc_17Err7RequiresViolation, alloc_17Err3RequiresViolation, alloc_17Err5RequiresViolation, mainErr0EnsuresViolation, free_17Err3RequiresViolation, free_17Err1RequiresViolation, free_17Err2RequiresViolation, free_17Err0RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-01-24 15:59:52,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1767740413, now seen corresponding path program 1 times [2018-01-24 15:59:52,565 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 15:59:52,567 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:59:52,567 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 15:59:52,567 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:59:52,567 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 15:59:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 15:59:52,585 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 15:59:52,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 15:59:52,840 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 15:59:52,840 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 15:59:52,841 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 30 with the following transitions: [2018-01-24 15:59:52,842 INFO L201 CegarAbsIntRunner]: [0], [3], [5], [9], [12], [13], [14], [16], [17], [18], [98], [100], [102], [105], [109], [114], [115], [117], [119], [133], [137], [138], [139], [141], [142], [143], [144] [2018-01-24 15:59:52,883 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-24 15:59:52,884 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 15:59:53,797 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 15:59:53,798 INFO L268 AbstractInterpreter]: Visited 27 different actions 32 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 20 variables. [2018-01-24 15:59:53,862 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-01-24 15:59:53,862 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 15:59:53,862 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-24 15:59:53,876 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 15:59:53,876 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 15:59:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 15:59:53,921 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 15:59:53,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-01-24 15:59:53,997 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 15:59:54,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 16 [2018-01-24 15:59:54,017 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-24 15:59:54,033 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-24 15:59:54,034 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:36 [2018-01-24 15:59:54,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 15:59:54,651 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 15:59:55,062 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 125 [2018-01-24 15:59:58,665 WARN L143 SmtUtils]: Spent 324ms on a formula simplification that was a NOOP. DAG size: 66 [2018-01-24 15:59:58,686 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 125 [2018-01-24 15:59:59,553 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 125 [2018-01-24 16:00:02,608 WARN L152 XnfTransformerHelper]: Simplifying disjunction of 16128 conjuctions. This might take some time... [2018-01-24 16:00:14,048 INFO L170 XnfTransformerHelper]: Simplified to disjunction of 16128 conjuctions. [2018-01-24 16:00:15,209 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 16128 Received shutdown request... [2018-01-24 16:00:57,648 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-01-24 16:00:57,648 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-24 16:00:57,651 WARN L187 ceAbstractionStarter]: Timeout [2018-01-24 16:00:57,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.01 04:00:57 BoogieIcfgContainer [2018-01-24 16:00:57,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-24 16:00:57,652 INFO L168 Benchmark]: Toolchain (without parser) took 67533.88 ms. Allocated memory was 308.3 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 265.2 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.0 GB. Max. memory is 5.3 GB. [2018-01-24 16:00:57,653 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 308.3 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:00:57,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.36 ms. Allocated memory is still 308.3 MB. Free memory was 265.2 MB in the beginning and 251.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:00:57,653 INFO L168 Benchmark]: Boogie Preprocessor took 33.54 ms. Allocated memory is still 308.3 MB. Free memory was 251.2 MB in the beginning and 250.2 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 5.3 GB. [2018-01-24 16:00:57,653 INFO L168 Benchmark]: RCFGBuilder took 320.90 ms. Allocated memory is still 308.3 MB. Free memory was 250.2 MB in the beginning and 226.2 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:00:57,653 INFO L168 Benchmark]: TraceAbstraction took 66949.80 ms. Allocated memory was 308.3 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 226.2 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.0 GB. Max. memory is 5.3 GB. [2018-01-24 16:00:57,655 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 308.3 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 220.36 ms. Allocated memory is still 308.3 MB. Free memory was 265.2 MB in the beginning and 251.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 33.54 ms. Allocated memory is still 308.3 MB. Free memory was 251.2 MB in the beginning and 250.2 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 5.3 GB. * RCFGBuilder took 320.90 ms. Allocated memory is still 308.3 MB. Free memory was 250.2 MB in the beginning and 226.2 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 66949.80 ms. Allocated memory was 308.3 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 226.2 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.0 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 26 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 4 LocStat_NO_SUPPORTING_EQUALITIES : 138 LocStat_NO_SUPPORTING_DISEQUALITIES : 13 LocStat_NO_DISJUNCTIONS : -52 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 37 TransStat_MAX_WEQGRAPH_SIZE : 12 TransStat_MAX_SIZEOF_WEQEDGELABEL : 4 TransStat_NO_SUPPORTING_EQUALITIES : 53 TransStat_NO_SUPPORTING_DISEQUALITIES : 5 TransStat_NO_DISJUNCTIONS : 39 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 3.288559 RENAME_VARIABLES(MILLISECONDS) : 3.993586 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 3.216900 PROJECTAWAY(MILLISECONDS) : 0.906916 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.134740 DISJOIN(MILLISECONDS) : 1.966574 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 4.054154 ADD_EQUALITY(MILLISECONDS) : 0.069386 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.014180 #CONJOIN_DISJUNCTIVE : 51 #RENAME_VARIABLES : 86 #UNFREEZE : 0 #CONJOIN : 100 #PROJECTAWAY : 86 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 1 #RENAME_VARIABLES_DISJUNCTIVE : 83 #ADD_EQUALITY : 54 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 4 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1452). Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 16128 disjunction. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1453). Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 16128 disjunction. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1452). Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 16128 disjunction. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1447). Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 16128 disjunction. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1447). Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 16128 disjunction. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1453). Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 16128 disjunction. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1452). Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 16128 disjunction. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1452). Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 16128 disjunction. - TimeoutResultAtElement [Line: 1480]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 1480). Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 16128 disjunction. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1461). Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 16128 disjunction. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1461). Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 16128 disjunction. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1461). Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 16128 disjunction. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1461). Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 16128 disjunction. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1472). Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 16128 disjunction. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1472). Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 16128 disjunction. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1476). Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 16128 disjunction. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1476). Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 16128 disjunction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 82 locations, 17 error locations. TIMEOUT Result, 66.8s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 393 SDtfs, 104 SDslu, 1363 SDs, 0 SdLazy, 344 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 47 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 8616 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test17_2_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-24_16-00-57-662.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test17_2_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-0-2018-01-24_16-00-57-662.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test17_2_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_16-00-57-662.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test17_2_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-24_16-00-57-662.csv Completed graceful shutdown