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/mempurity-32bit-Automizer_Taipan+AI_EQ.epf -i ../../../trunk/examples/svcomp/memsafety/test-0236_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-20 23:32:20,934 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-20 23:32:20,936 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-20 23:32:20,951 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-20 23:32:20,951 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-20 23:32:20,952 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-20 23:32:20,953 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-20 23:32:20,955 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-20 23:32:20,956 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-20 23:32:20,957 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-20 23:32:20,958 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-20 23:32:20,959 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-20 23:32:20,959 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-20 23:32:20,961 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-20 23:32:20,962 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-20 23:32:20,964 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-20 23:32:20,966 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-20 23:32:20,968 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-20 23:32:20,970 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-20 23:32:20,971 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-20 23:32:20,973 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-20 23:32:20,978 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-20 23:32:20,978 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-20 23:32:20,979 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ.epf [2018-01-20 23:32:20,988 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-20 23:32:20,988 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-20 23:32:20,989 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-20 23:32:20,989 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-20 23:32:20,989 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-20 23:32:20,989 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-20 23:32:20,989 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-20 23:32:20,989 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-20 23:32:20,990 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-20 23:32:20,990 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-20 23:32:20,990 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-20 23:32:20,990 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-20 23:32:20,990 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-20 23:32:20,990 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-20 23:32:20,990 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-20 23:32:20,990 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-20 23:32:20,991 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-20 23:32:20,991 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-20 23:32:20,991 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-20 23:32:20,991 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-20 23:32:20,991 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-20 23:32:20,991 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-20 23:32:20,991 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-20 23:32:20,992 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-20 23:32:20,992 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-20 23:32:20,992 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-20 23:32:20,992 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-20 23:32:20,992 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-20 23:32:20,992 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-20 23:32:20,992 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-20 23:32:20,993 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-20 23:32:20,993 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-20 23:32:20,993 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-20 23:32:20,993 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-20 23:32:20,993 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-20 23:32:20,993 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-20 23:32:20,994 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-20 23:32:20,994 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-20 23:32:21,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-20 23:32:21,039 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-20 23:32:21,042 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-20 23:32:21,043 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-20 23:32:21,044 INFO L276 PluginConnector]: CDTParser initialized [2018-01-20 23:32:21,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0236_true-valid-memsafety.i [2018-01-20 23:32:21,212 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-20 23:32:21,217 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-20 23:32:21,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-20 23:32:21,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-20 23:32:21,223 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-20 23:32:21,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 11:32:21" (1/1) ... [2018-01-20 23:32:21,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6479bd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:32:21, skipping insertion in model container [2018-01-20 23:32:21,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 11:32:21" (1/1) ... [2018-01-20 23:32:21,239 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 23:32:21,280 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 23:32:21,408 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 23:32:21,435 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 23:32:21,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:32:21 WrapperNode [2018-01-20 23:32:21,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-20 23:32:21,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-20 23:32:21,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-20 23:32:21,449 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-20 23:32:21,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:32:21" (1/1) ... [2018-01-20 23:32:21,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:32:21" (1/1) ... [2018-01-20 23:32:21,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:32:21" (1/1) ... [2018-01-20 23:32:21,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:32:21" (1/1) ... [2018-01-20 23:32:21,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:32:21" (1/1) ... [2018-01-20 23:32:21,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:32:21" (1/1) ... [2018-01-20 23:32:21,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:32:21" (1/1) ... [2018-01-20 23:32:21,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-20 23:32:21,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-20 23:32:21,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-20 23:32:21,497 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-20 23:32:21,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:32:21" (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 [2018-01-20 23:32:21,545 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-20 23:32:21,545 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-20 23:32:21,545 INFO L136 BoogieDeclarations]: Found implementation of procedure calloc_model [2018-01-20 23:32:21,545 INFO L136 BoogieDeclarations]: Found implementation of procedure zalloc_or_die [2018-01-20 23:32:21,545 INFO L136 BoogieDeclarations]: Found implementation of procedure l4_insert [2018-01-20 23:32:21,545 INFO L136 BoogieDeclarations]: Found implementation of procedure l3_insert [2018-01-20 23:32:21,545 INFO L136 BoogieDeclarations]: Found implementation of procedure l2_insert [2018-01-20 23:32:21,545 INFO L136 BoogieDeclarations]: Found implementation of procedure l1_insert [2018-01-20 23:32:21,545 INFO L136 BoogieDeclarations]: Found implementation of procedure l0_insert [2018-01-20 23:32:21,546 INFO L136 BoogieDeclarations]: Found implementation of procedure l4_destroy [2018-01-20 23:32:21,546 INFO L136 BoogieDeclarations]: Found implementation of procedure l3_destroy [2018-01-20 23:32:21,546 INFO L136 BoogieDeclarations]: Found implementation of procedure l2_destroy [2018-01-20 23:32:21,546 INFO L136 BoogieDeclarations]: Found implementation of procedure l1_destroy [2018-01-20 23:32:21,546 INFO L136 BoogieDeclarations]: Found implementation of procedure l0_destroy [2018-01-20 23:32:21,546 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-20 23:32:21,546 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-20 23:32:21,546 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-20 23:32:21,546 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-20 23:32:21,546 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-20 23:32:21,547 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-20 23:32:21,547 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-01-20 23:32:21,547 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-01-20 23:32:21,547 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-20 23:32:21,547 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-20 23:32:21,547 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-01-20 23:32:21,547 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-01-20 23:32:21,547 INFO L128 BoogieDeclarations]: Found specification of procedure calloc_model [2018-01-20 23:32:21,547 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-20 23:32:21,547 INFO L128 BoogieDeclarations]: Found specification of procedure zalloc_or_die [2018-01-20 23:32:21,548 INFO L128 BoogieDeclarations]: Found specification of procedure l4_insert [2018-01-20 23:32:21,548 INFO L128 BoogieDeclarations]: Found specification of procedure l3_insert [2018-01-20 23:32:21,548 INFO L128 BoogieDeclarations]: Found specification of procedure l2_insert [2018-01-20 23:32:21,548 INFO L128 BoogieDeclarations]: Found specification of procedure l1_insert [2018-01-20 23:32:21,548 INFO L128 BoogieDeclarations]: Found specification of procedure l0_insert [2018-01-20 23:32:21,548 INFO L128 BoogieDeclarations]: Found specification of procedure l4_destroy [2018-01-20 23:32:21,548 INFO L128 BoogieDeclarations]: Found specification of procedure l3_destroy [2018-01-20 23:32:21,548 INFO L128 BoogieDeclarations]: Found specification of procedure l2_destroy [2018-01-20 23:32:21,548 INFO L128 BoogieDeclarations]: Found specification of procedure l1_destroy [2018-01-20 23:32:21,548 INFO L128 BoogieDeclarations]: Found specification of procedure l0_destroy [2018-01-20 23:32:21,549 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-20 23:32:21,549 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-20 23:32:21,549 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-20 23:32:22,076 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-20 23:32:22,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 11:32:22 BoogieIcfgContainer [2018-01-20 23:32:22,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-20 23:32:22,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-20 23:32:22,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-20 23:32:22,079 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-20 23:32:22,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 11:32:21" (1/3) ... [2018-01-20 23:32:22,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234fcd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 11:32:22, skipping insertion in model container [2018-01-20 23:32:22,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:32:21" (2/3) ... [2018-01-20 23:32:22,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234fcd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 11:32:22, skipping insertion in model container [2018-01-20 23:32:22,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 11:32:22" (3/3) ... [2018-01-20 23:32:22,082 INFO L105 eAbstractionObserver]: Analyzing ICFG test-0236_true-valid-memsafety.i [2018-01-20 23:32:22,089 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-20 23:32:22,096 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-01-20 23:32:22,140 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:32:22,140 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:32:22,140 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:32:22,141 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:32:22,141 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:32:22,141 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:32:22,141 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:32:22,141 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l3_destroyErr0EnsuresViolation======== [2018-01-20 23:32:22,142 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:32:22,169 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-20 23:32:22,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-20 23:32:22,175 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:32:22,177 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] [2018-01-20 23:32:22,177 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l3_destroyErr0EnsuresViolation]=== [2018-01-20 23:32:22,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1954496071, now seen corresponding path program 1 times [2018-01-20 23:32:22,184 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:32:22,225 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:22,225 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:32:22,225 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:22,225 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:32:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:32:22,271 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:32:22,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:32:22,314 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:32:22,314 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:32:22,314 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:32:22,318 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:32:22,333 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:32:22,334 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:32:22,336 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2018-01-20 23:32:22,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:32:22,469 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-01-20 23:32:22,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:32:22,470 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-01-20 23:32:22,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:32:22,482 INFO L225 Difference]: With dead ends: 356 [2018-01-20 23:32:22,483 INFO L226 Difference]: Without dead ends: 161 [2018-01-20 23:32:22,489 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:32:22,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-01-20 23:32:22,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-01-20 23:32:22,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-01-20 23:32:22,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 176 transitions. [2018-01-20 23:32:22,533 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 176 transitions. Word has length 25 [2018-01-20 23:32:22,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:32:22,534 INFO L432 AbstractCegarLoop]: Abstraction has 161 states and 176 transitions. [2018-01-20 23:32:22,534 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:32:22,534 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 176 transitions. [2018-01-20 23:32:22,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-01-20 23:32:22,539 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:32:22,540 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2018-01-20 23:32:22,540 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l3_destroyErr0EnsuresViolation]=== [2018-01-20 23:32:22,540 INFO L82 PathProgramCache]: Analyzing trace with hash -935573337, now seen corresponding path program 1 times [2018-01-20 23:32:22,540 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:32:22,541 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:22,541 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:32:22,541 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:22,541 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:32:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:32:22,592 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:32:22,758 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:32:22,758 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:32:22,758 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:32:22,759 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 223 with the following transitions: [2018-01-20 23:32:22,761 INFO L201 CegarAbsIntRunner]: [0], [4], [5], [7], [8], [9], [10], [11], [15], [22], [23], [27], [28], [29], [30], [31], [32], [33], [34], [38], [44], [48], [51], [54], [60], [65], [69], [70], [88], [90], [94], [97], [100], [106], [107], [108], [109], [110], [111], [113], [119], [120], [121], [123], [127], [130], [133], [139], [140], [141], [142], [143], [144], [146], [148], [152], [155], [158], [164], [165], [166], [167], [168], [169], [171], [173], [177], [180], [183], [189], [190], [191], [192], [193], [194], [196], [197], [198], [200], [201], [203], [205], [207], [208], [209], [210], [211], [212], [213], [214], [215], [216], [217], [219], [221], [224], [226], [228], [229], [230], [231], [233], [237], [238], [260], [264], [265], [283], [284], [285], [286], [287], [289], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [317], [318], [319], [321] [2018-01-20 23:32:22,804 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:32:22,804 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:32:23,673 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:32:23,675 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:32:23,724 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:32:24,346 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:32:24,346 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:32:24,462 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:32:24,463 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:32:24,463 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:32:24,463 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:32:24,465 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:32:24,466 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:32:24,466 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:32:24,466 INFO L87 Difference]: Start difference. First operand 161 states and 176 transitions. Second operand 6 states. [2018-01-20 23:32:28,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:32:28,613 INFO L93 Difference]: Finished difference Result 161 states and 176 transitions. [2018-01-20 23:32:28,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:32:28,613 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 222 [2018-01-20 23:32:28,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:32:28,614 INFO L225 Difference]: With dead ends: 161 [2018-01-20 23:32:28,614 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:32:28,616 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 221 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:32:28,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:32:28,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:32:28,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:32:28,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:32:28,617 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2018-01-20 23:32:28,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:32:28,617 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:32:28,617 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:32:28,618 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:32:28,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:32:28,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:32:28,774 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:32:28,775 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:32:28,806 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-20 23:32:28,807 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-20 23:32:28,807 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-20 23:32:28,807 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-20 23:32:28,807 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:32:28,807 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:32:28,808 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-20 23:32:28,808 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-20 23:32:28,808 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-20 23:32:28,808 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:32:28,808 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-20 23:32:28,808 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:32:28,808 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-20 23:32:28,809 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-20 23:32:28,809 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:28,809 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-20 23:32:28,809 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-20 23:32:28,809 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:32:28,809 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-20 23:32:28,809 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:28,809 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-20 23:32:28,809 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-20 23:32:28,809 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-20 23:32:28,810 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:28,810 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:32:28,810 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-20 23:32:28,810 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:32:28,810 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:32:28,810 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:32:28,810 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:32:28,810 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:32:28,810 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-20 23:32:28,810 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-20 23:32:28,810 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:32:28,810 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-20 23:32:28,811 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-20 23:32:28,811 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-20 23:32:28,811 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:32:28,811 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:32:28,811 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-20 23:32:28,811 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:32:28,811 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-20 23:32:28,811 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:32:28,811 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:32:28,811 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:28,811 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-20 23:32:28,811 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:32:28,811 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:32:28,812 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:32:28,812 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-20 23:32:28,812 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-20 23:32:28,812 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-20 23:32:28,812 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-20 23:32:28,812 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-20 23:32:28,812 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-20 23:32:28,812 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:28,812 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-20 23:32:28,812 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:28,812 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-20 23:32:28,812 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:32:28,813 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-20 23:32:28,813 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:28,813 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:32:28,813 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:32:28,813 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:28,813 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-20 23:32:28,813 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:32:28,813 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:28,813 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-20 23:32:28,813 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-20 23:32:28,813 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:32:28,813 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:32:28,813 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-20 23:32:28,814 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-20 23:32:28,814 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-20 23:32:28,814 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:32:28,814 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-20 23:32:28,814 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-20 23:32:28,814 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:28,814 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:32:28,814 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:28,815 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:28,815 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-20 23:32:28,815 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:28,815 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-20 23:32:28,815 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-20 23:32:28,815 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-20 23:32:28,816 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:32:28,816 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:32:28,816 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-20 23:32:28,816 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-20 23:32:28,816 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:28,816 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-20 23:32:28,816 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:32:28,816 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:32:28,817 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-20 23:32:28,817 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-20 23:32:28,817 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:28,817 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:32:28,817 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:32:28,817 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-20 23:32:28,817 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-20 23:32:28,817 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-20 23:32:28,818 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-20 23:32:28,818 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:32:28,818 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:32:28,818 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:32:28,818 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-20 23:32:28,818 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-20 23:32:28,818 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-20 23:32:28,818 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-20 23:32:28,818 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:28,818 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:32:28,818 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:32:28,818 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:32:28,819 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:28,819 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:28,819 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:32:28,819 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:32:28,819 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-20 23:32:28,819 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-20 23:32:28,819 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:28,819 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:32:28,819 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:32:28,819 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:28,819 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:32:28,819 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-20 23:32:28,819 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:32:28,820 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:32:28,820 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:32:28,820 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:28,820 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:32:28,820 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:32:28,820 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:32:28,820 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-20 23:32:28,820 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-20 23:32:28,820 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:28,820 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-20 23:32:28,820 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-20 23:32:28,820 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:28,820 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-20 23:32:28,821 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-20 23:32:28,821 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:28,821 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:28,821 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:32:28,821 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:28,821 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:32:28,821 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-20 23:32:28,821 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:28,821 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-20 23:32:28,821 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-20 23:32:28,821 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-20 23:32:28,821 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-20 23:32:28,821 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:32:28,821 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-20 23:32:28,822 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-20 23:32:28,822 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:32:28,822 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:32:28,822 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-20 23:32:28,822 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:32:28,822 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-20 23:32:28,822 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:32:28,822 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-20 23:32:28,822 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:28,822 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-20 23:32:28,822 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:28,822 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:28,823 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-20 23:32:28,823 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:32:28,823 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-20 23:32:28,823 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:32:28,823 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-20 23:32:28,823 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-20 23:32:28,823 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-20 23:32:28,823 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:32:28,823 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:32:28,823 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-20 23:32:28,823 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-20 23:32:28,823 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:32:28,823 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-20 23:32:28,826 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:32:28,826 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:32:28,826 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:32:28,826 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:32:28,826 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:32:28,826 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:32:28,826 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:32:28,826 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l0_insertErr0EnsuresViolation======== [2018-01-20 23:32:28,826 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:32:28,828 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-20 23:32:28,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-20 23:32:28,830 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:32:28,830 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:32:28,830 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l0_insertErr0EnsuresViolation]=== [2018-01-20 23:32:28,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1533472053, now seen corresponding path program 1 times [2018-01-20 23:32:28,830 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:32:28,831 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:28,831 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:32:28,831 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:28,831 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:32:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:32:28,845 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:32:28,868 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:32:28,869 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:32:28,869 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:32:28,869 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2018-01-20 23:32:28,870 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-20 23:32:28,870 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:32:28,870 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 [2018-01-20 23:32:28,881 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:32:28,882 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-20 23:32:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:32:28,933 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 23:32:28,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:32:28,941 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-20 23:32:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:32:29,022 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:32:29,022 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-01-20 23:32:29,022 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:32:29,022 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:32:29,022 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:32:29,023 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:32:29,023 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2018-01-20 23:32:29,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:32:29,040 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-01-20 23:32:29,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:32:29,040 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 36 [2018-01-20 23:32:29,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:32:29,042 INFO L225 Difference]: With dead ends: 356 [2018-01-20 23:32:29,042 INFO L226 Difference]: Without dead ends: 101 [2018-01-20 23:32:29,044 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:32:29,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-01-20 23:32:29,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-01-20 23:32:29,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-01-20 23:32:29,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 111 transitions. [2018-01-20 23:32:29,054 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 111 transitions. Word has length 36 [2018-01-20 23:32:29,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:32:29,056 INFO L432 AbstractCegarLoop]: Abstraction has 101 states and 111 transitions. [2018-01-20 23:32:29,056 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:32:29,057 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 111 transitions. [2018-01-20 23:32:29,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-01-20 23:32:29,059 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:32:29,060 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:32:29,060 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l0_insertErr0EnsuresViolation]=== [2018-01-20 23:32:29,060 INFO L82 PathProgramCache]: Analyzing trace with hash -14692643, now seen corresponding path program 1 times [2018-01-20 23:32:29,060 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:32:29,061 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:29,061 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:32:29,062 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:29,062 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:32:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:32:29,083 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:32:29,160 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:32:29,160 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:32:29,160 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:32:29,160 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-01-20 23:32:29,161 INFO L201 CegarAbsIntRunner]: [48], [88], [90], [94], [97], [100], [106], [107], [108], [109], [110], [112], [113], [119], [120], [121], [123], [127], [130], [133], [139], [140], [141], [142], [143], [144], [146], [148], [152], [155], [158], [164], [165], [166], [167], [168], [169], [171], [173], [177], [180], [183], [189], [190], [191], [192], [193], [194], [196], [197], [198], [200], [201], [203], [205], [207], [208], [209], [210], [211], [212], [213], [214], [215], [216], [217], [219], [221], [224], [226], [228], [229], [230], [231], [285], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [317], [318], [319] [2018-01-20 23:32:29,164 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:32:29,164 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:32:29,869 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:32:29,870 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:32:29,878 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:32:30,496 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:32:30,497 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:32:30,574 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:32:30,575 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:32:30,575 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:32:30,575 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:32:30,576 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:32:30,576 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:32:30,576 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:32:30,576 INFO L87 Difference]: Start difference. First operand 101 states and 111 transitions. Second operand 6 states. [2018-01-20 23:32:34,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:32:34,718 INFO L93 Difference]: Finished difference Result 101 states and 111 transitions. [2018-01-20 23:32:34,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:32:34,751 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 182 [2018-01-20 23:32:34,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:32:34,751 INFO L225 Difference]: With dead ends: 101 [2018-01-20 23:32:34,751 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:32:34,752 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 181 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:32:34,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:32:34,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:32:34,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:32:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:32:34,753 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 182 [2018-01-20 23:32:34,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:32:34,753 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:32:34,753 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:32:34,753 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:32:34,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:32:34,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:32:34,917 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:32:34,917 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:32:34,918 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-20 23:32:34,918 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-20 23:32:34,918 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-20 23:32:34,918 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-20 23:32:34,918 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:32:34,918 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:32:34,918 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-20 23:32:34,918 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-20 23:32:34,918 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-20 23:32:34,918 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:32:34,918 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-20 23:32:34,918 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:32:34,919 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-20 23:32:34,919 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-20 23:32:34,919 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:34,919 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-20 23:32:34,919 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-20 23:32:34,919 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:32:34,919 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-20 23:32:34,919 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:34,919 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-20 23:32:34,919 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-20 23:32:34,919 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-20 23:32:34,919 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:34,919 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:32:34,919 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-20 23:32:34,920 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:32:34,920 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:32:34,920 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:32:34,920 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:32:34,920 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:32:34,920 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-20 23:32:34,920 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-20 23:32:34,920 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:32:34,920 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-20 23:32:34,920 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-20 23:32:34,920 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-20 23:32:34,920 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:32:34,920 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:32:34,920 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-20 23:32:34,921 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:32:34,921 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-20 23:32:34,921 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:32:34,921 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:32:34,921 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:34,921 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-20 23:32:34,921 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:32:34,921 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:32:34,921 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:32:34,921 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-20 23:32:34,921 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-20 23:32:34,921 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-20 23:32:34,922 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-20 23:32:34,922 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-20 23:32:34,922 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-20 23:32:34,922 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:34,922 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-20 23:32:34,922 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:34,922 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-20 23:32:34,922 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:32:34,922 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-20 23:32:34,922 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:34,923 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:32:34,923 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:32:34,923 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:34,923 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-20 23:32:34,923 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:32:34,923 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:34,923 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-20 23:32:34,923 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-20 23:32:34,923 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:32:34,924 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:32:34,924 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-20 23:32:34,924 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-20 23:32:34,924 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-20 23:32:34,924 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:32:34,924 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-20 23:32:34,924 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-20 23:32:34,924 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:34,924 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:32:34,925 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:34,925 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:34,925 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-20 23:32:34,925 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:34,925 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-20 23:32:34,925 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-20 23:32:34,925 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-20 23:32:34,926 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:32:34,926 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:32:34,926 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-20 23:32:34,926 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-20 23:32:34,926 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:34,926 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-20 23:32:34,926 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:32:34,926 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:32:34,927 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-20 23:32:34,927 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-20 23:32:34,927 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:34,927 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:32:34,927 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:32:34,927 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-20 23:32:34,927 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-20 23:32:34,927 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-20 23:32:34,927 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-20 23:32:34,928 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:32:34,928 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:32:34,928 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:32:34,928 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-20 23:32:34,928 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-20 23:32:34,928 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-20 23:32:34,928 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-20 23:32:34,928 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:34,928 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:32:34,929 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:32:34,929 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:32:34,929 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:34,929 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:34,929 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:32:34,929 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:32:34,929 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-20 23:32:34,929 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-20 23:32:34,929 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:34,929 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:32:34,929 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:32:34,929 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:34,930 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:32:34,930 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-20 23:32:34,930 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:32:34,930 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:32:34,930 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:32:34,930 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:34,930 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:32:34,930 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:32:34,930 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:32:34,930 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-20 23:32:34,930 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-20 23:32:34,930 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:34,930 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-20 23:32:34,930 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-20 23:32:34,930 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:34,930 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-20 23:32:34,931 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-20 23:32:34,931 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:34,931 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:34,931 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:32:34,931 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:34,931 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:32:34,931 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-20 23:32:34,931 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:34,931 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-20 23:32:34,931 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-20 23:32:34,931 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-20 23:32:34,931 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-20 23:32:34,931 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:32:34,931 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-20 23:32:34,931 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-20 23:32:34,932 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:32:34,932 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:32:34,932 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-20 23:32:34,932 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:32:34,932 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-20 23:32:34,932 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:32:34,932 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-20 23:32:34,932 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:34,932 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-20 23:32:34,932 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:34,932 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:34,932 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-20 23:32:34,932 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:32:34,932 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-20 23:32:34,932 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:32:34,932 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-20 23:32:34,933 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-20 23:32:34,933 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-20 23:32:34,933 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:32:34,933 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:32:34,933 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-20 23:32:34,933 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-20 23:32:34,933 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:32:34,933 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-20 23:32:34,935 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:32:34,935 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:32:34,935 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:32:34,935 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:32:34,935 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:32:34,935 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:32:34,935 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:32:34,936 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l4_destroyErr0EnsuresViolation======== [2018-01-20 23:32:34,936 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:32:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-20 23:32:34,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-20 23:32:34,939 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:32:34,939 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, 1, 1, 1, 1] [2018-01-20 23:32:34,939 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l4_destroyErr0EnsuresViolation]=== [2018-01-20 23:32:34,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1533017334, now seen corresponding path program 1 times [2018-01-20 23:32:34,939 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:32:34,940 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:34,940 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:32:34,941 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:34,941 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:32:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:32:34,948 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:32:34,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:32:34,958 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:32:34,959 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:32:34,959 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:32:34,959 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:32:34,959 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:32:34,959 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:32:34,960 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2018-01-20 23:32:34,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:32:34,973 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-01-20 23:32:34,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:32:34,974 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2018-01-20 23:32:34,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:32:34,976 INFO L225 Difference]: With dead ends: 356 [2018-01-20 23:32:34,976 INFO L226 Difference]: Without dead ends: 161 [2018-01-20 23:32:34,977 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:32:34,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-01-20 23:32:34,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-01-20 23:32:34,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-01-20 23:32:34,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 176 transitions. [2018-01-20 23:32:34,989 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 176 transitions. Word has length 29 [2018-01-20 23:32:34,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:32:34,990 INFO L432 AbstractCegarLoop]: Abstraction has 161 states and 176 transitions. [2018-01-20 23:32:34,990 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:32:34,990 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 176 transitions. [2018-01-20 23:32:34,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-01-20 23:32:34,992 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:32:34,992 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:32:34,992 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l4_destroyErr0EnsuresViolation]=== [2018-01-20 23:32:34,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1167742484, now seen corresponding path program 1 times [2018-01-20 23:32:34,992 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:32:34,993 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:34,993 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:32:34,993 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:34,993 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:32:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:32:35,009 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:32:35,068 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:32:35,069 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:32:35,069 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:32:35,069 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-01-20 23:32:35,069 INFO L201 CegarAbsIntRunner]: [0], [4], [5], [23], [27], [28], [29], [30], [31], [32], [33], [34], [38], [45], [48], [51], [54], [60], [65], [69], [70], [88], [90], [94], [97], [100], [106], [107], [108], [109], [110], [111], [113], [119], [120], [121], [123], [127], [130], [133], [139], [140], [141], [142], [143], [144], [146], [148], [152], [155], [158], [164], [165], [166], [167], [168], [169], [171], [173], [177], [180], [183], [189], [190], [191], [192], [193], [194], [196], [197], [198], [200], [201], [203], [205], [207], [208], [209], [210], [211], [212], [213], [214], [215], [216], [217], [219], [221], [224], [226], [228], [229], [230], [231], [233], [237], [238], [260], [264], [265], [283], [285], [286], [287], [289], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [317], [318], [319], [321] [2018-01-20 23:32:35,073 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:32:35,074 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:32:35,477 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:32:35,477 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:32:35,491 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:32:35,945 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:32:35,945 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:32:35,985 WARN L1007 $PredicateComparison]: unable to prove that (let ((.cse1 (select (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|) |c_~#list~23.offset|)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_~#list~23.base|) |c_~#list~23.offset|)) (.cse0 (select |c_old(#valid)| |c_~#list~23.base|))) (and (not (= |c_#length| |c_old(#valid)|)) (= .cse0 .cse1) (= .cse1 .cse2) (forall ((v_weq0_3 Int)) (let ((.cse8 (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|))) (let ((.cse3 (select .cse8 v_weq0_3))) (or (let ((.cse9 (select |c_#memory_$Pointer$.base| |c_~#list~23.base|))) (let ((.cse4 (select .cse9 |c_~#list~23.offset|)) (.cse7 (select .cse9 v_weq0_3)) (.cse5 (select |c_old(#valid)| |c_~#list~23.base|)) (.cse6 (select .cse8 |c_~#list~23.offset|))) (and (= |c_~#list~23.offset| .cse3) (= v_weq0_3 .cse4) (= .cse5 .cse6) (= .cse3 (select |c_#valid| 0)) (= 0 .cse7) (= .cse4 |c_~#list~23.offset|) (= .cse7 .cse5) (= .cse6 v_weq0_3) (not (= |c_~#list~23.base| 0))))) (= (select |c_old(#valid)| v_weq0_3) .cse3) (not (= v_weq0_3 0)))))) (= .cse2 |c_~#list~23.offset|) (= (select |c_#length| |c_~#list~23.base|) 4) (forall ((v_weq0_3 Int)) (or (= (select (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|) v_weq0_3) (select |c_#valid| v_weq0_3)) (not (= v_weq0_3 0)))) (forall ((v_weq0_3 Int)) (let ((.cse16 (select |c_#memory_$Pointer$.base| |c_~#list~23.base|))) (let ((.cse14 (select .cse16 v_weq0_3))) (or (let ((.cse15 (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|))) (let ((.cse10 (select .cse15 v_weq0_3)) (.cse11 (select .cse16 |c_~#list~23.offset|)) (.cse12 (select |c_old(#valid)| |c_~#list~23.base|)) (.cse13 (select .cse15 |c_~#list~23.offset|))) (and (= |c_~#list~23.offset| .cse10) (= v_weq0_3 .cse11) (= .cse12 .cse13) (= .cse10 (select |c_#valid| 0)) (= 0 .cse14) (= .cse11 |c_~#list~23.offset|) (= .cse14 .cse12) (= .cse13 v_weq0_3) (not (= |c_~#list~23.base| 0))))) (not (= v_weq0_3 0)) (= (select |c_old(#valid)| v_weq0_3) .cse14))))) (= 1 (select |c_#valid| |c_~#list~23.base|)) (forall ((v_weq0_3 Int) (v_weq1_3 Int)) (or (= (select (select |c_#memory_$Pointer$.offset| v_weq0_3) v_weq1_3) (select (select |c_#memory_$Pointer$.base| v_weq0_3) v_weq1_3)) (not (= v_weq0_3 |c_~#list~23.base|)) (not (= v_weq1_3 0)))) (not (= 0 |c_~#list~23.base|)) (not (= |c_#valid| |c_#length|)) (forall ((v_weq0_3 Int)) (or (= (select (select |c_#memory_$Pointer$.base| |c_~#list~23.base|) v_weq0_3) (select (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|) v_weq0_3)) (not (= v_weq0_3 0)))) (forall ((v_weq0_3 Int)) (or (not (= v_weq0_3 0)) (= (select (select |c_#memory_$Pointer$.base| |c_~#list~23.base|) v_weq0_3) (select |c_#valid| v_weq0_3)))) (= 0 .cse0) (= |c_~#list~23.offset| (select |c_#valid| 0)) (forall ((v_weq0_3 Int)) (let ((.cse29 (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|))) (let ((.cse26 (select |c_#memory_$Pointer$.base| |c_~#list~23.base|)) (.cse31 (select |c_#valid| 0)) (.cse32 (select |c_old(#valid)| |c_~#list~23.base|)) (.cse19 (select .cse29 |c_~#list~23.offset|))) (let ((.cse18 (= .cse32 .cse19)) (.cse20 (= 0 .cse32)) (.cse21 (= |c_~#list~23.offset| .cse31)) (.cse17 (select .cse26 |c_~#list~23.offset|)) (.cse22 (not (= |c_~#list~23.base| 0))) (.cse25 (select |c_old(#valid)| v_weq0_3)) (.cse24 (select |c_#valid| v_weq0_3))) (or (and (= v_weq0_3 .cse17) .cse18 (= .cse17 |c_~#list~23.offset|) (= .cse19 v_weq0_3) .cse20 .cse21 .cse22) (let ((.cse28 (select |c_#memory_$Pointer$.offset| v_weq0_3))) (let ((.cse23 (select |c_#length| |c_~#list~23.base|)) (.cse27 (select |c_#memory_$Pointer$.base| v_weq0_3)) (.cse30 (select .cse28 |c_~#list~23.offset|))) (and .cse18 (= .cse19 .cse17) (= v_weq0_3 |c_~#list~23.base|) (= .cse23 4) (= .cse24 1) (= .cse25 |c_~#list~23.offset|) (= .cse26 .cse27) (= 1 (select |c_#valid| |c_~#list~23.base|)) (= .cse28 .cse29) (= .cse30 .cse25) (= (select |c_#length| v_weq0_3) .cse23) (= .cse31 (select .cse27 |c_~#list~23.offset|)) .cse20 .cse21 (= .cse17 .cse30) .cse22))) (= .cse25 .cse24)))))) (not (= |c_#valid| |c_old(#valid)|)))) is different from false [2018-01-20 23:32:35,993 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:32:35,993 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:32:35,993 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:32:35,993 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:32:35,994 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:32:35,994 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:32:35,994 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-01-20 23:32:35,994 INFO L87 Difference]: Start difference. First operand 161 states and 176 transitions. Second operand 6 states. [2018-01-20 23:32:40,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:32:40,090 INFO L93 Difference]: Finished difference Result 161 states and 176 transitions. [2018-01-20 23:32:40,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:32:40,118 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 214 [2018-01-20 23:32:40,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:32:40,118 INFO L225 Difference]: With dead ends: 161 [2018-01-20 23:32:40,118 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:32:40,119 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 213 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-01-20 23:32:40,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:32:40,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:32:40,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:32:40,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:32:40,119 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 214 [2018-01-20 23:32:40,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:32:40,120 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:32:40,120 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:32:40,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:32:40,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:32:40,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:32:40,179 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:32:40,179 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:32:40,179 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-20 23:32:40,180 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-20 23:32:40,180 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-20 23:32:40,180 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-20 23:32:40,180 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:32:40,180 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:32:40,180 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-20 23:32:40,180 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-20 23:32:40,180 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-20 23:32:40,180 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:32:40,180 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-20 23:32:40,180 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:32:40,180 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-20 23:32:40,180 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-20 23:32:40,180 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:40,180 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-20 23:32:40,181 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-20 23:32:40,181 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:32:40,181 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-20 23:32:40,181 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:40,181 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-20 23:32:40,181 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-20 23:32:40,181 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-20 23:32:40,181 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:40,181 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:32:40,181 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-20 23:32:40,181 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:32:40,181 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:32:40,181 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:32:40,181 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:32:40,181 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:32:40,181 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-20 23:32:40,182 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-20 23:32:40,182 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:32:40,182 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-20 23:32:40,182 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-20 23:32:40,182 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-20 23:32:40,182 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:32:40,182 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:32:40,182 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-20 23:32:40,182 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:32:40,182 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-20 23:32:40,182 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:32:40,182 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:32:40,182 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:40,182 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-20 23:32:40,182 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:32:40,182 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:32:40,183 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:32:40,183 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-20 23:32:40,183 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-20 23:32:40,183 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-20 23:32:40,183 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-20 23:32:40,183 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-20 23:32:40,183 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-20 23:32:40,183 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:40,183 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-20 23:32:40,183 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:40,183 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-20 23:32:40,183 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:32:40,183 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-20 23:32:40,183 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:40,183 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:32:40,184 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:32:40,184 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:40,184 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-20 23:32:40,184 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:32:40,184 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:40,184 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-20 23:32:40,184 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-20 23:32:40,184 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:32:40,184 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:32:40,184 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-20 23:32:40,185 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-20 23:32:40,185 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-20 23:32:40,185 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:32:40,185 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-20 23:32:40,185 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-20 23:32:40,185 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:40,185 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:32:40,185 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:40,185 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:40,185 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-20 23:32:40,186 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:40,186 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-20 23:32:40,186 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-20 23:32:40,186 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-20 23:32:40,186 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:32:40,186 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:32:40,186 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-20 23:32:40,186 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-20 23:32:40,186 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:40,186 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-20 23:32:40,187 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:32:40,187 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:32:40,187 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-20 23:32:40,187 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-20 23:32:40,187 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:40,187 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:32:40,187 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:32:40,187 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-20 23:32:40,187 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-20 23:32:40,187 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-20 23:32:40,188 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-20 23:32:40,188 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:32:40,188 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:32:40,188 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:32:40,188 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-20 23:32:40,188 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-20 23:32:40,188 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-20 23:32:40,188 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-20 23:32:40,188 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:40,188 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:32:40,189 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:32:40,189 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:32:40,189 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:40,189 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:40,189 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:32:40,189 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:32:40,189 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-20 23:32:40,189 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-20 23:32:40,189 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:40,189 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:32:40,190 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:32:40,190 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:40,190 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:32:40,190 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-20 23:32:40,190 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:32:40,190 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:32:40,190 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:32:40,190 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:40,190 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:32:40,190 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:32:40,191 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:32:40,191 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-20 23:32:40,191 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-20 23:32:40,191 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:40,191 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-20 23:32:40,191 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-20 23:32:40,191 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:40,191 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-20 23:32:40,191 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-20 23:32:40,191 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:40,191 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:40,191 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:32:40,191 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:40,191 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:32:40,192 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-20 23:32:40,192 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:40,192 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-20 23:32:40,192 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-20 23:32:40,192 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-20 23:32:40,192 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-20 23:32:40,192 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:32:40,192 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-20 23:32:40,192 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-20 23:32:40,192 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:32:40,193 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:32:40,193 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-20 23:32:40,193 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:32:40,193 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-20 23:32:40,193 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:32:40,193 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-20 23:32:40,193 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:40,193 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-20 23:32:40,193 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:40,194 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:40,194 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-20 23:32:40,194 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:32:40,194 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-20 23:32:40,194 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:32:40,194 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-20 23:32:40,194 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-20 23:32:40,194 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-20 23:32:40,194 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:32:40,194 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:32:40,195 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-20 23:32:40,195 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-20 23:32:40,195 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:32:40,195 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-20 23:32:40,196 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:32:40,196 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:32:40,197 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:32:40,197 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:32:40,197 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:32:40,197 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:32:40,197 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:32:40,197 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l2_insertErr0EnsuresViolation======== [2018-01-20 23:32:40,197 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:32:40,199 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-20 23:32:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-01-20 23:32:40,201 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:32:40,201 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-01-20 23:32:40,201 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l2_insertErr0EnsuresViolation]=== [2018-01-20 23:32:40,201 INFO L82 PathProgramCache]: Analyzing trace with hash -2142167077, now seen corresponding path program 1 times [2018-01-20 23:32:40,201 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:32:40,202 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:40,202 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:32:40,203 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:40,203 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:32:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:32:40,213 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:32:40,239 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:32:40,239 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:32:40,239 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:32:40,239 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 81 with the following transitions: [2018-01-20 23:32:40,240 INFO L201 CegarAbsIntRunner]: [48], [88], [90], [94], [113], [119], [120], [121], [123], [137], [139], [140], [141], [142], [143], [145], [171], [173], [177], [196], [197], [198], [200], [201], [219], [221], [224], [226], [228], [229], [230], [231], [285], [291], [292], [293], [295], [296], [303], [304], [305], [307], [308], [313], [314], [317], [318], [319] [2018-01-20 23:32:40,241 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:32:40,241 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:32:40,511 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:32:40,511 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:32:40,514 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:32:40,868 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:32:40,868 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:32:40,945 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:32:40,946 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:32:40,946 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:32:40,946 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:32:40,946 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:32:40,946 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:32:40,946 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:32:40,947 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 6 states. [2018-01-20 23:32:45,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:32:45,183 INFO L93 Difference]: Finished difference Result 182 states and 208 transitions. [2018-01-20 23:32:45,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:32:45,183 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-01-20 23:32:45,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:32:45,183 INFO L225 Difference]: With dead ends: 182 [2018-01-20 23:32:45,183 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:32:45,184 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:32:45,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:32:45,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:32:45,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:32:45,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:32:45,185 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 80 [2018-01-20 23:32:45,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:32:45,185 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:32:45,185 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:32:45,185 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:32:45,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:32:45,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:32:45,230 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:32:45,230 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:32:45,231 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-20 23:32:45,231 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-20 23:32:45,231 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-20 23:32:45,231 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-20 23:32:45,231 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:32:45,231 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:32:45,231 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-20 23:32:45,231 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-20 23:32:45,231 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-20 23:32:45,231 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:32:45,232 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-20 23:32:45,232 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:32:45,232 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-20 23:32:45,232 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-20 23:32:45,232 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:45,232 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-20 23:32:45,232 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-20 23:32:45,232 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:32:45,232 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-20 23:32:45,232 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:45,233 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-20 23:32:45,233 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-20 23:32:45,233 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-20 23:32:45,233 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:45,233 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:32:45,233 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-20 23:32:45,233 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:32:45,233 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:32:45,233 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:32:45,233 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:32:45,233 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:32:45,234 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-20 23:32:45,234 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-20 23:32:45,234 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:32:45,234 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-20 23:32:45,234 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-20 23:32:45,234 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-20 23:32:45,234 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:32:45,234 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:32:45,234 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-20 23:32:45,234 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:32:45,234 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-20 23:32:45,235 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:32:45,235 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:32:45,235 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:45,235 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-20 23:32:45,235 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:32:45,235 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:32:45,235 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:32:45,235 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-20 23:32:45,235 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-20 23:32:45,235 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-20 23:32:45,236 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-20 23:32:45,236 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-20 23:32:45,236 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-20 23:32:45,236 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:45,236 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-20 23:32:45,236 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:45,236 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-20 23:32:45,236 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:32:45,236 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-20 23:32:45,236 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:45,236 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:32:45,237 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:32:45,237 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:45,237 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-20 23:32:45,237 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:32:45,237 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:45,237 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-20 23:32:45,237 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-20 23:32:45,237 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:32:45,237 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:32:45,237 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-20 23:32:45,237 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-20 23:32:45,238 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-20 23:32:45,238 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:32:45,238 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-20 23:32:45,238 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-20 23:32:45,238 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:45,238 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:32:45,238 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:45,238 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:45,238 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-20 23:32:45,238 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:45,239 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-20 23:32:45,239 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-20 23:32:45,239 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-20 23:32:45,239 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:32:45,239 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:32:45,239 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-20 23:32:45,239 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-20 23:32:45,239 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:45,239 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-20 23:32:45,239 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:32:45,240 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:32:45,240 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-20 23:32:45,240 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-20 23:32:45,240 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:45,240 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:32:45,240 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:32:45,240 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-20 23:32:45,240 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-20 23:32:45,240 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-20 23:32:45,240 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-20 23:32:45,241 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:32:45,241 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:32:45,241 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:32:45,241 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-20 23:32:45,241 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-20 23:32:45,241 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-20 23:32:45,241 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-20 23:32:45,241 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:45,241 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:32:45,241 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:32:45,242 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:32:45,242 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:45,242 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:45,242 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:32:45,242 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:32:45,242 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-20 23:32:45,242 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-20 23:32:45,242 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:45,242 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:32:45,242 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:32:45,242 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:45,243 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:32:45,243 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-20 23:32:45,243 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:32:45,243 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:32:45,243 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:32:45,243 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:45,243 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:32:45,243 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:32:45,243 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:32:45,243 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-20 23:32:45,244 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-20 23:32:45,244 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:45,244 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-20 23:32:45,244 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-20 23:32:45,244 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:45,244 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-20 23:32:45,244 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-20 23:32:45,244 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:45,244 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:45,244 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:32:45,245 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:45,245 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:32:45,245 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-20 23:32:45,245 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:45,245 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-20 23:32:45,245 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-20 23:32:45,245 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-20 23:32:45,245 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-20 23:32:45,245 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:32:45,245 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-20 23:32:45,246 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-20 23:32:45,246 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:32:45,246 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:32:45,246 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-20 23:32:45,246 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:32:45,246 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-20 23:32:45,246 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:32:45,246 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-20 23:32:45,246 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:45,246 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-20 23:32:45,247 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:45,247 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:45,247 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-20 23:32:45,247 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:32:45,247 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-20 23:32:45,247 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:32:45,247 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-20 23:32:45,247 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-20 23:32:45,247 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-20 23:32:45,247 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:32:45,247 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:32:45,248 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-20 23:32:45,248 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-20 23:32:45,248 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:32:45,248 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-20 23:32:45,249 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:32:45,249 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:32:45,249 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:32:45,249 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:32:45,250 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:32:45,250 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:32:45,250 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:32:45,250 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-20 23:32:45,250 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:32:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-20 23:32:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-20 23:32:45,253 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:32:45,253 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:32:45,253 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-20 23:32:45,253 INFO L82 PathProgramCache]: Analyzing trace with hash -36580835, now seen corresponding path program 1 times [2018-01-20 23:32:45,253 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:32:45,255 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:45,255 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:32:45,255 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:45,255 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:32:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:32:45,260 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:32:45,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:32:45,267 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:32:45,268 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:32:45,268 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:32:45,268 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:32:45,268 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:32:45,268 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:32:45,269 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2018-01-20 23:32:45,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:32:45,281 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-01-20 23:32:45,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:32:45,281 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-01-20 23:32:45,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:32:45,283 INFO L225 Difference]: With dead ends: 356 [2018-01-20 23:32:45,284 INFO L226 Difference]: Without dead ends: 165 [2018-01-20 23:32:45,285 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:32:45,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-01-20 23:32:45,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-01-20 23:32:45,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-01-20 23:32:45,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 180 transitions. [2018-01-20 23:32:45,298 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 180 transitions. Word has length 16 [2018-01-20 23:32:45,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:32:45,298 INFO L432 AbstractCegarLoop]: Abstraction has 165 states and 180 transitions. [2018-01-20 23:32:45,298 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:32:45,298 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 180 transitions. [2018-01-20 23:32:45,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-01-20 23:32:45,302 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:32:45,302 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:32:45,302 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-20 23:32:45,303 INFO L82 PathProgramCache]: Analyzing trace with hash -716025663, now seen corresponding path program 1 times [2018-01-20 23:32:45,303 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:32:45,304 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:45,304 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:32:45,304 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:45,304 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:32:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:32:45,322 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:32:45,400 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:32:45,401 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:32:45,401 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:32:45,401 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 250 with the following transitions: [2018-01-20 23:32:45,401 INFO L201 CegarAbsIntRunner]: [0], [4], [5], [7], [8], [9], [10], [11], [15], [21], [23], [27], [28], [29], [30], [31], [32], [33], [34], [38], [44], [48], [51], [54], [60], [62], [64], [65], [69], [70], [72], [73], [74], [75], [76], [80], [86], [88], [90], [94], [97], [100], [106], [107], [108], [109], [110], [111], [113], [119], [120], [121], [123], [127], [130], [133], [139], [140], [141], [142], [143], [144], [146], [148], [152], [155], [158], [164], [165], [166], [167], [168], [169], [171], [173], [177], [180], [183], [189], [190], [191], [192], [193], [194], [196], [197], [198], [200], [201], [203], [205], [207], [208], [209], [210], [211], [212], [213], [214], [215], [216], [217], [219], [221], [224], [226], [228], [229], [230], [231], [233], [237], [238], [240], [241], [242], [243], [244], [248], [254], [260], [264], [265], [267], [268], [269], [270], [271], [275], [281], [283], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [321], [322] [2018-01-20 23:32:45,405 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:32:45,405 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:32:45,679 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:32:45,679 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:32:45,686 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:32:45,988 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:32:45,988 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:32:46,036 WARN L1007 $PredicateComparison]: unable to prove that (let ((.cse8 (select (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|) |c_~#list~23.offset|)) (.cse9 (select (select |c_#memory_$Pointer$.base| |c_~#list~23.base|) |c_~#list~23.offset|)) (.cse7 (select |c_old(#valid)| |c_~#list~23.base|))) (and (not (= |c_#length| |c_old(#valid)|)) (forall ((v_weq0_5 Int)) (let ((.cse6 (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|))) (let ((.cse3 (select .cse6 v_weq0_5))) (or (let ((.cse5 (select |c_#memory_$Pointer$.base| |c_~#list~23.base|))) (let ((.cse1 (select .cse6 |c_~#list~23.offset|)) (.cse2 (select .cse5 |c_~#list~23.offset|)) (.cse0 (select |c_old(#valid)| |c_~#list~23.base|)) (.cse4 (select .cse5 v_weq0_5))) (and (= .cse0 v_weq0_5) (= .cse1 .cse2) (= .cse3 (select |c_#valid| 0)) (= v_weq0_5 .cse1) (= .cse2 |c_~#list~23.offset|) (= |c_~#list~23.offset| .cse4) (= 0 .cse0) (not (= |c_~#list~23.base| 0)) (= .cse4 .cse3)))) (= (select |c_old(#valid)| v_weq0_5) .cse3) (not (= v_weq0_5 0)))))) (= .cse7 .cse8) (= .cse8 .cse9) (forall ((v_weq0_5 Int)) (or (= (select (select |c_#memory_$Pointer$.base| |c_~#list~23.base|) v_weq0_5) (select (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|) v_weq0_5)) (not (= v_weq0_5 0)))) (= .cse9 |c_~#list~23.offset|) (forall ((v_weq0_5 Int)) (or (= (select (select |c_#memory_$Pointer$.base| |c_~#list~23.base|) v_weq0_5) (select |c_#valid| v_weq0_5)) (not (= v_weq0_5 0)))) (= (select |c_#length| |c_~#list~23.base|) 4) (= 1 (select |c_#valid| |c_~#list~23.base|)) (forall ((v_weq0_5 Int)) (or (= (select (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|) v_weq0_5) (select |c_#valid| v_weq0_5)) (not (= v_weq0_5 0)))) (forall ((v_weq0_5 Int)) (let ((.cse16 (select |c_#memory_$Pointer$.base| |c_~#list~23.base|))) (let ((.cse14 (select .cse16 v_weq0_5))) (or (let ((.cse15 (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|))) (let ((.cse11 (select .cse15 |c_~#list~23.offset|)) (.cse12 (select .cse16 |c_~#list~23.offset|)) (.cse10 (select |c_old(#valid)| |c_~#list~23.base|)) (.cse13 (select .cse15 v_weq0_5))) (and (= .cse10 v_weq0_5) (= .cse11 .cse12) (= .cse13 (select |c_#valid| 0)) (= v_weq0_5 .cse11) (= .cse12 |c_~#list~23.offset|) (= |c_~#list~23.offset| .cse14) (= 0 .cse10) (not (= |c_~#list~23.base| 0)) (= .cse14 .cse13)))) (= .cse14 (select |c_old(#valid)| v_weq0_5)) (not (= v_weq0_5 0)))))) (not (= 0 |c_~#list~23.base|)) (forall ((v_weq0_5 Int)) (let ((.cse26 (select |c_#memory_$Pointer$.base| |c_~#list~23.base|)) (.cse28 (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|))) (let ((.cse29 (select |c_#valid| 0)) (.cse17 (select |c_old(#valid)| |c_~#list~23.base|)) (.cse19 (select .cse28 |c_~#list~23.offset|)) (.cse30 (select .cse26 |c_~#list~23.offset|))) (let ((.cse18 (= .cse19 .cse30)) (.cse20 (= .cse30 |c_~#list~23.offset|)) (.cse24 (select |c_old(#valid)| v_weq0_5)) (.cse21 (= 0 .cse17)) (.cse22 (= |c_~#list~23.offset| .cse29)) (.cse23 (not (= |c_~#list~23.base| 0))) (.cse25 (select |c_#valid| v_weq0_5))) (or (and (= .cse17 v_weq0_5) .cse18 (= v_weq0_5 .cse19) .cse20 .cse21 .cse22 .cse23) (= .cse24 .cse25) (let ((.cse27 (select |c_#valid| |c_~#list~23.base|))) (and (= (select |c_#memory_$Pointer$.base| v_weq0_5) .cse26) (= .cse17 .cse19) .cse18 (= 4 (select |c_#length| v_weq0_5)) .cse20 (= (select |c_#length| |c_~#list~23.base|) 4) (= v_weq0_5 |c_~#list~23.base|) (= 1 .cse27) (= (select |c_#memory_$Pointer$.offset| v_weq0_5) .cse28) (= .cse29 .cse24) .cse21 .cse22 .cse23 (= .cse27 .cse25)))))))) (not (= |c_#valid| |c_#length|)) (forall ((v_weq0_5 Int) (v_weq1_5 Int)) (or (not (= v_weq0_5 |c_~#list~23.base|)) (= (select (select |c_#memory_$Pointer$.offset| v_weq0_5) v_weq1_5) (select (select |c_#memory_$Pointer$.base| v_weq0_5) v_weq1_5)) (not (= v_weq1_5 0)))) (= 0 .cse7) (= |c_~#list~23.offset| (select |c_#valid| 0)) (not (= |c_#valid| |c_old(#valid)|)))) is different from false [2018-01-20 23:32:46,042 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:32:46,042 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:32:46,042 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:32:46,042 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:32:46,043 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:32:46,043 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:32:46,043 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-01-20 23:32:46,043 INFO L87 Difference]: Start difference. First operand 165 states and 180 transitions. Second operand 6 states. [2018-01-20 23:32:50,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:32:50,131 INFO L93 Difference]: Finished difference Result 165 states and 180 transitions. [2018-01-20 23:32:50,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:32:50,174 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 249 [2018-01-20 23:32:50,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:32:50,175 INFO L225 Difference]: With dead ends: 165 [2018-01-20 23:32:50,175 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:32:50,176 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 248 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-01-20 23:32:50,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:32:50,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:32:50,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:32:50,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:32:50,177 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 249 [2018-01-20 23:32:50,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:32:50,177 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:32:50,177 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:32:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:32:50,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:32:50,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:32:50,248 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:32:50,249 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:32:50,249 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-20 23:32:50,249 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-20 23:32:50,249 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-20 23:32:50,249 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-20 23:32:50,249 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:32:50,249 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:32:50,249 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-20 23:32:50,249 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-20 23:32:50,249 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-20 23:32:50,249 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:32:50,249 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-20 23:32:50,249 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:32:50,250 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-20 23:32:50,250 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-20 23:32:50,250 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:50,250 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-20 23:32:50,250 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-20 23:32:50,250 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:32:50,250 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-20 23:32:50,250 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:50,250 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-20 23:32:50,250 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-20 23:32:50,250 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-20 23:32:50,250 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:50,250 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:32:50,251 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-20 23:32:50,251 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:32:50,251 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:32:50,251 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:32:50,251 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:32:50,251 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:32:50,251 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-20 23:32:50,251 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-20 23:32:50,251 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:32:50,251 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-20 23:32:50,251 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-20 23:32:50,251 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-20 23:32:50,251 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:32:50,251 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:32:50,252 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-20 23:32:50,252 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:32:50,252 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-20 23:32:50,252 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:32:50,252 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:32:50,252 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:50,252 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-20 23:32:50,252 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:32:50,252 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:32:50,252 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:32:50,252 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-20 23:32:50,252 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-20 23:32:50,252 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-20 23:32:50,252 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-20 23:32:50,253 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-20 23:32:50,253 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-20 23:32:50,253 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:50,253 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-20 23:32:50,253 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:50,253 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-20 23:32:50,253 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:32:50,253 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-20 23:32:50,253 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:50,253 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:32:50,253 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:32:50,253 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:50,253 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-20 23:32:50,253 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:32:50,254 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:50,254 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-20 23:32:50,254 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-20 23:32:50,254 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:32:50,254 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:32:50,254 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-20 23:32:50,254 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-20 23:32:50,254 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-20 23:32:50,254 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:32:50,254 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-20 23:32:50,254 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-20 23:32:50,254 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:50,254 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:32:50,254 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:50,255 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:50,255 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-20 23:32:50,255 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:50,255 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-20 23:32:50,255 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-20 23:32:50,255 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-20 23:32:50,255 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:32:50,255 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:32:50,255 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-20 23:32:50,255 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-20 23:32:50,255 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:50,255 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-20 23:32:50,255 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:32:50,255 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:32:50,256 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-20 23:32:50,256 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-20 23:32:50,256 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:50,256 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:32:50,256 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:32:50,256 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-20 23:32:50,256 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-20 23:32:50,256 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-20 23:32:50,256 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-20 23:32:50,256 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:32:50,256 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:32:50,256 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:32:50,256 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-20 23:32:50,256 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-20 23:32:50,256 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-20 23:32:50,257 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-20 23:32:50,257 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:50,257 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:32:50,257 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:32:50,257 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:32:50,257 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:50,257 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:50,257 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:32:50,257 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:32:50,257 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-20 23:32:50,257 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-20 23:32:50,257 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:50,257 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:32:50,257 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:32:50,258 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:50,258 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:32:50,258 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-20 23:32:50,258 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:32:50,258 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:32:50,258 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:32:50,258 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:50,258 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:32:50,258 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:32:50,259 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:32:50,259 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-20 23:32:50,259 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-20 23:32:50,259 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:50,259 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-20 23:32:50,259 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-20 23:32:50,259 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:50,259 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-20 23:32:50,259 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-20 23:32:50,259 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:50,260 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:50,260 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:32:50,260 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:50,260 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:32:50,260 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-20 23:32:50,260 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:50,260 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-20 23:32:50,260 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-20 23:32:50,260 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-20 23:32:50,260 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-20 23:32:50,260 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:32:50,260 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-20 23:32:50,260 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-20 23:32:50,261 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:32:50,261 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:32:50,261 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-20 23:32:50,261 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:32:50,261 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-20 23:32:50,261 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:32:50,261 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-20 23:32:50,261 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:50,261 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-20 23:32:50,261 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:50,261 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:50,261 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-20 23:32:50,261 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:32:50,261 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-20 23:32:50,261 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:32:50,261 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-20 23:32:50,262 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-20 23:32:50,262 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-20 23:32:50,262 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:32:50,262 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:32:50,262 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-20 23:32:50,262 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-20 23:32:50,262 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:32:50,262 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-20 23:32:50,263 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:32:50,263 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:32:50,263 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:32:50,263 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:32:50,263 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:32:50,263 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:32:50,263 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:32:50,263 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l3_insertErr0EnsuresViolation======== [2018-01-20 23:32:50,263 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:32:50,265 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-20 23:32:50,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-01-20 23:32:50,266 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:32:50,267 INFO L322 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:32:50,267 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l3_insertErr0EnsuresViolation]=== [2018-01-20 23:32:50,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1446737013, now seen corresponding path program 1 times [2018-01-20 23:32:50,267 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:32:50,268 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:50,268 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:32:50,268 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:50,268 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:32:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:32:50,279 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:32:50,306 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:32:50,306 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:32:50,306 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:32:50,307 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-01-20 23:32:50,307 INFO L201 CegarAbsIntRunner]: [48], [88], [90], [94], [113], [119], [120], [121], [123], [127], [146], [148], [162], [164], [165], [166], [167], [168], [170], [171], [173], [177], [196], [197], [198], [200], [201], [219], [221], [224], [226], [228], [229], [230], [231], [285], [291], [292], [293], [295], [296], [297], [299], [300], [303], [304], [305], [307], [308], [313], [314], [317], [318], [319] [2018-01-20 23:32:50,309 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:32:50,309 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:32:50,609 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:32:50,609 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:32:50,618 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:32:50,889 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:32:50,890 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:32:50,950 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:32:50,950 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:32:50,950 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:32:50,951 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:32:50,951 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:32:50,951 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:32:50,951 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=19, Unknown=1, NotChecked=0, Total=30 [2018-01-20 23:32:50,951 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 6 states. [2018-01-20 23:32:55,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:32:55,142 INFO L93 Difference]: Finished difference Result 182 states and 208 transitions. [2018-01-20 23:32:55,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:32:55,163 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2018-01-20 23:32:55,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:32:55,164 INFO L225 Difference]: With dead ends: 182 [2018-01-20 23:32:55,164 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:32:55,164 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=19, Unknown=1, NotChecked=0, Total=30 [2018-01-20 23:32:55,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:32:55,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:32:55,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:32:55,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:32:55,165 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2018-01-20 23:32:55,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:32:55,165 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:32:55,165 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:32:55,165 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:32:55,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:32:55,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:32:55,202 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:32:55,202 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:32:55,202 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-20 23:32:55,202 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-20 23:32:55,202 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-20 23:32:55,202 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-20 23:32:55,202 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:32:55,202 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:32:55,202 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-20 23:32:55,203 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-20 23:32:55,203 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-20 23:32:55,203 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:32:55,203 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-20 23:32:55,203 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:32:55,203 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-20 23:32:55,203 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-20 23:32:55,203 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:55,203 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-20 23:32:55,203 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-20 23:32:55,203 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:32:55,203 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-20 23:32:55,203 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:55,203 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-20 23:32:55,203 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-20 23:32:55,203 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-20 23:32:55,204 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:32:55,204 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:32:55,204 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-20 23:32:55,204 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:32:55,204 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:32:55,204 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:32:55,204 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:32:55,204 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:32:55,204 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-20 23:32:55,204 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-20 23:32:55,204 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:32:55,204 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-20 23:32:55,204 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-20 23:32:55,204 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-20 23:32:55,204 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:32:55,204 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:32:55,205 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-20 23:32:55,205 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:32:55,205 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-20 23:32:55,205 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:32:55,205 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:32:55,205 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:55,205 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-20 23:32:55,205 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:32:55,205 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:32:55,205 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:32:55,205 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-20 23:32:55,205 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-20 23:32:55,205 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-20 23:32:55,205 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-20 23:32:55,205 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-20 23:32:55,205 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-20 23:32:55,205 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:55,205 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-20 23:32:55,206 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:32:55,206 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-20 23:32:55,206 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:32:55,206 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-20 23:32:55,206 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:55,206 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:32:55,206 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:32:55,206 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:55,206 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-20 23:32:55,206 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:32:55,206 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:32:55,206 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-20 23:32:55,206 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-20 23:32:55,206 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:32:55,206 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:32:55,206 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-20 23:32:55,206 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-20 23:32:55,207 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-20 23:32:55,207 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:32:55,207 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-20 23:32:55,207 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-20 23:32:55,207 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:55,207 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:32:55,207 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:55,207 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:32:55,207 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-20 23:32:55,207 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:55,207 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-20 23:32:55,207 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-20 23:32:55,207 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-20 23:32:55,207 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:32:55,207 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:32:55,207 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-20 23:32:55,207 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-20 23:32:55,208 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:55,208 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-20 23:32:55,208 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:32:55,208 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:32:55,208 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-20 23:32:55,208 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-20 23:32:55,208 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:32:55,208 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:32:55,208 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:32:55,208 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-20 23:32:55,208 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-20 23:32:55,208 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-20 23:32:55,208 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-20 23:32:55,208 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:32:55,208 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:32:55,208 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:32:55,208 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-20 23:32:55,209 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-20 23:32:55,209 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-20 23:32:55,209 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-20 23:32:55,209 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:55,209 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:32:55,209 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:32:55,209 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:32:55,209 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:55,209 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:32:55,209 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:32:55,209 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:32:55,209 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-20 23:32:55,209 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-20 23:32:55,209 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:55,209 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:32:55,209 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:32:55,209 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:55,209 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:32:55,210 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-20 23:32:55,210 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:32:55,210 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:32:55,210 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:32:55,210 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:32:55,210 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:32:55,210 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:32:55,210 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:32:55,210 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-20 23:32:55,210 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-20 23:32:55,210 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:55,210 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-20 23:32:55,210 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-20 23:32:55,210 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:55,210 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-20 23:32:55,210 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-20 23:32:55,210 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:32:55,211 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:55,211 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:32:55,211 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:55,211 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:32:55,211 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-20 23:32:55,211 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:55,211 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-20 23:32:55,211 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-20 23:32:55,211 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-20 23:32:55,211 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-20 23:32:55,211 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:32:55,211 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-20 23:32:55,211 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-20 23:32:55,211 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:32:55,211 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:32:55,211 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-20 23:32:55,211 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:32:55,212 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-20 23:32:55,212 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:32:55,212 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-20 23:32:55,212 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:55,212 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-20 23:32:55,212 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:55,212 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:32:55,212 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-20 23:32:55,212 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:32:55,212 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-20 23:32:55,212 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:32:55,212 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-20 23:32:55,212 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-20 23:32:55,212 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-20 23:32:55,212 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:32:55,213 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:32:55,213 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-20 23:32:55,213 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-20 23:32:55,213 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:32:55,213 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-20 23:32:55,214 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:32:55,214 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:32:55,214 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:32:55,214 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:32:55,215 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:32:55,215 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:32:55,215 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:32:55,215 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l1_insertErr0EnsuresViolation======== [2018-01-20 23:32:55,215 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:32:55,217 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-20 23:32:55,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-01-20 23:32:55,218 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:32:55,218 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2018-01-20 23:32:55,218 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l1_insertErr0EnsuresViolation]=== [2018-01-20 23:32:55,218 INFO L82 PathProgramCache]: Analyzing trace with hash -662148574, now seen corresponding path program 1 times [2018-01-20 23:32:55,218 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:32:55,219 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:55,219 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:32:55,220 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:32:55,220 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:32:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:32:55,227 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:32:55,243 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:32:55,244 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:32:55,244 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:32:55,244 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 59 with the following transitions: [2018-01-20 23:32:55,244 INFO L201 CegarAbsIntRunner]: [48], [88], [90], [94], [113], [119], [120], [171], [173], [187], [189], [190], [191], [192], [193], [195], [196], [197], [198], [200], [201], [219], [221], [224], [226], [228], [229], [230], [231], [285], [291], [292], [293], [303], [304], [307], [308], [313], [314], [317], [318], [319] [2018-01-20 23:32:55,245 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:32:55,246 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:32:55,527 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:32:55,527 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:32:55,530 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:32:55,845 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:32:55,845 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:32:55,908 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:32:55,908 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:32:55,908 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:32:55,908 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:32:55,908 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:32:55,908 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:32:55,909 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:32:55,909 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 6 states. [2018-01-20 23:33:00,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:00,085 INFO L93 Difference]: Finished difference Result 182 states and 208 transitions. [2018-01-20 23:33:00,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:33:00,086 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-01-20 23:33:00,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:00,086 INFO L225 Difference]: With dead ends: 182 [2018-01-20 23:33:00,086 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:33:00,086 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:00,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:33:00,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:33:00,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:33:00,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:33:00,087 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-01-20 23:33:00,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:00,087 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:33:00,087 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:33:00,087 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:33:00,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:33:00,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:33:00,109 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:33:00,110 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:33:00,110 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-20 23:33:00,110 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-20 23:33:00,110 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-20 23:33:00,110 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-20 23:33:00,110 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:33:00,110 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:33:00,110 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-20 23:33:00,110 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-20 23:33:00,110 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-20 23:33:00,110 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:33:00,110 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-20 23:33:00,110 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:33:00,110 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-20 23:33:00,110 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-20 23:33:00,111 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:33:00,111 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-20 23:33:00,111 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-20 23:33:00,111 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:33:00,111 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-20 23:33:00,111 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:33:00,111 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-20 23:33:00,111 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-20 23:33:00,111 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-20 23:33:00,111 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:33:00,111 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:33:00,111 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-20 23:33:00,111 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:33:00,111 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:33:00,111 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:33:00,111 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:33:00,112 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:33:00,112 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-20 23:33:00,112 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-20 23:33:00,112 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:33:00,112 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-20 23:33:00,112 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-20 23:33:00,112 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-20 23:33:00,112 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:33:00,112 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:33:00,112 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-20 23:33:00,112 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:33:00,112 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-20 23:33:00,112 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:33:00,112 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:33:00,112 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:33:00,112 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-20 23:33:00,113 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:33:00,113 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:33:00,113 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:33:00,113 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-20 23:33:00,113 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-20 23:33:00,113 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-20 23:33:00,113 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-20 23:33:00,113 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-20 23:33:00,113 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-20 23:33:00,113 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:33:00,113 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-20 23:33:00,113 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:33:00,113 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-20 23:33:00,113 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:33:00,113 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-20 23:33:00,113 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:33:00,114 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:33:00,114 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:33:00,114 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:33:00,114 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-20 23:33:00,114 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:33:00,114 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:33:00,114 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-20 23:33:00,114 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-20 23:33:00,114 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:33:00,114 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:33:00,114 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-20 23:33:00,114 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-20 23:33:00,114 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-20 23:33:00,114 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:33:00,114 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-20 23:33:00,114 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-20 23:33:00,115 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:33:00,115 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:33:00,115 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:33:00,115 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:33:00,115 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-20 23:33:00,115 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:33:00,115 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-20 23:33:00,115 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-20 23:33:00,115 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-20 23:33:00,115 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:33:00,115 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:33:00,115 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-20 23:33:00,115 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-20 23:33:00,115 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:33:00,115 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-20 23:33:00,115 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:33:00,115 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:33:00,116 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-20 23:33:00,116 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-20 23:33:00,116 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:33:00,116 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:33:00,116 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:33:00,116 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-20 23:33:00,116 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-20 23:33:00,116 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-20 23:33:00,116 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-20 23:33:00,116 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:33:00,116 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:33:00,116 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:33:00,116 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-20 23:33:00,116 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-20 23:33:00,116 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-20 23:33:00,116 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-20 23:33:00,116 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:00,117 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:33:00,117 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:33:00,117 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:33:00,117 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:00,117 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:00,117 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:33:00,117 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:33:00,117 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-20 23:33:00,117 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-20 23:33:00,117 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:33:00,117 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:33:00,117 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:33:00,117 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:33:00,117 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:33:00,117 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-20 23:33:00,117 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:33:00,117 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:33:00,118 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:33:00,118 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:33:00,118 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:33:00,118 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:33:00,118 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:33:00,118 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-20 23:33:00,118 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-20 23:33:00,118 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:33:00,118 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-20 23:33:00,118 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-20 23:33:00,118 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:33:00,118 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-20 23:33:00,118 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-20 23:33:00,118 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:33:00,118 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:00,118 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:33:00,119 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:00,119 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:00,119 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-20 23:33:00,119 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:00,119 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-20 23:33:00,119 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-20 23:33:00,119 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-20 23:33:00,119 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-20 23:33:00,119 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:33:00,119 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-20 23:33:00,119 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-20 23:33:00,119 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:33:00,119 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:33:00,119 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-20 23:33:00,119 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:33:00,119 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-20 23:33:00,119 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:33:00,120 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-20 23:33:00,120 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:00,120 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-20 23:33:00,120 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:00,120 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:00,120 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-20 23:33:00,120 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:33:00,120 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-20 23:33:00,120 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:33:00,120 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-20 23:33:00,120 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-20 23:33:00,120 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-20 23:33:00,120 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:33:00,120 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:33:00,120 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-20 23:33:00,120 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-20 23:33:00,121 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:33:00,121 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-20 23:33:00,122 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:00,122 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:00,122 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:00,122 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:00,122 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:00,122 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:00,122 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:00,123 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l0_destroyErr0EnsuresViolation======== [2018-01-20 23:33:00,123 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:00,124 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-20 23:33:00,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-20 23:33:00,124 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:00,125 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:00,125 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l0_destroyErr0EnsuresViolation]=== [2018-01-20 23:33:00,125 INFO L82 PathProgramCache]: Analyzing trace with hash -469274458, now seen corresponding path program 1 times [2018-01-20 23:33:00,125 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:00,125 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:00,125 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:00,125 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:00,126 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:00,129 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:00,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:00,132 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:00,132 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:33:00,132 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:00,132 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:33:00,132 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:33:00,133 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:00,133 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2018-01-20 23:33:00,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:00,143 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-01-20 23:33:00,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:33:00,174 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-01-20 23:33:00,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:00,176 INFO L225 Difference]: With dead ends: 356 [2018-01-20 23:33:00,176 INFO L226 Difference]: Without dead ends: 162 [2018-01-20 23:33:00,177 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:00,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-01-20 23:33:00,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-01-20 23:33:00,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-01-20 23:33:00,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 177 transitions. [2018-01-20 23:33:00,188 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 177 transitions. Word has length 13 [2018-01-20 23:33:00,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:00,188 INFO L432 AbstractCegarLoop]: Abstraction has 162 states and 177 transitions. [2018-01-20 23:33:00,188 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:33:00,188 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 177 transitions. [2018-01-20 23:33:00,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-01-20 23:33:00,189 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:00,190 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:00,190 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l0_destroyErr0EnsuresViolation]=== [2018-01-20 23:33:00,190 INFO L82 PathProgramCache]: Analyzing trace with hash 360977538, now seen corresponding path program 1 times [2018-01-20 23:33:00,190 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:00,191 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:00,191 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:00,191 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:00,191 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:00,201 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:00,240 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:00,240 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:00,240 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:00,240 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2018-01-20 23:33:00,240 INFO L201 CegarAbsIntRunner]: [0], [4], [5], [7], [8], [9], [10], [11], [15], [21], [23], [27], [28], [29], [30], [31], [32], [33], [34], [38], [44], [48], [51], [54], [60], [65], [69], [70], [72], [73], [74], [75], [76], [80], [87], [88], [90], [94], [97], [100], [106], [107], [108], [109], [110], [111], [113], [119], [120], [121], [123], [127], [130], [133], [139], [140], [141], [142], [143], [144], [146], [148], [152], [155], [158], [164], [165], [166], [167], [168], [169], [171], [173], [177], [180], [183], [189], [190], [191], [192], [193], [194], [196], [197], [198], [200], [201], [203], [205], [207], [208], [209], [210], [211], [212], [213], [214], [215], [216], [217], [219], [221], [224], [226], [228], [229], [230], [231], [233], [237], [238], [240], [241], [242], [243], [244], [248], [254], [260], [264], [265], [267], [268], [269], [270], [271], [275], [281], [283], [284], [285], [286], [287], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [321], [322] [2018-01-20 23:33:00,242 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:33:00,242 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:33:00,590 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:33:00,590 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:33:00,597 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:33:00,907 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:33:00,908 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:33:00,959 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:33:00,960 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:00,960 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:33:00,960 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:00,960 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:33:00,960 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:33:00,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:00,960 INFO L87 Difference]: Start difference. First operand 162 states and 177 transitions. Second operand 6 states. [2018-01-20 23:33:05,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:05,049 INFO L93 Difference]: Finished difference Result 162 states and 177 transitions. [2018-01-20 23:33:05,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:33:05,049 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 246 [2018-01-20 23:33:05,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:05,049 INFO L225 Difference]: With dead ends: 162 [2018-01-20 23:33:05,050 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:33:05,050 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 245 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:05,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:33:05,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:33:05,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:33:05,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:33:05,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2018-01-20 23:33:05,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:05,051 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:33:05,051 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:33:05,051 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:33:05,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:33:05,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:33:05,075 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:33:05,075 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:33:05,075 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-20 23:33:05,076 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-20 23:33:05,076 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-20 23:33:05,076 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-20 23:33:05,076 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:33:05,076 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:33:05,076 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-20 23:33:05,076 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-20 23:33:05,076 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-20 23:33:05,076 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:33:05,076 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-20 23:33:05,076 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:33:05,076 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-20 23:33:05,076 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-20 23:33:05,076 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:33:05,076 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-20 23:33:05,076 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-20 23:33:05,077 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:33:05,077 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-20 23:33:05,077 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:33:05,077 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-20 23:33:05,077 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-20 23:33:05,077 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-20 23:33:05,077 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:33:05,077 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:33:05,077 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-20 23:33:05,077 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:33:05,077 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:33:05,077 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:33:05,077 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:33:05,077 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:33:05,077 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-20 23:33:05,078 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-20 23:33:05,078 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:33:05,078 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-20 23:33:05,078 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-20 23:33:05,078 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-20 23:33:05,078 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:33:05,078 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:33:05,078 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-20 23:33:05,078 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:33:05,078 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-20 23:33:05,078 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:33:05,079 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:33:05,079 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:33:05,079 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-20 23:33:05,079 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:33:05,079 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:33:05,079 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:33:05,079 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-20 23:33:05,079 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-20 23:33:05,079 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-20 23:33:05,079 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-20 23:33:05,080 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-20 23:33:05,080 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-20 23:33:05,080 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:33:05,080 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-20 23:33:05,080 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:33:05,080 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-20 23:33:05,080 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:33:05,080 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-20 23:33:05,080 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:33:05,080 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:33:05,080 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:33:05,081 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:33:05,081 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-20 23:33:05,081 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:33:05,081 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:33:05,081 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-20 23:33:05,081 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-20 23:33:05,081 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:33:05,081 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:33:05,081 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-20 23:33:05,081 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-20 23:33:05,082 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-20 23:33:05,082 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:33:05,082 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-20 23:33:05,082 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-20 23:33:05,082 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:33:05,082 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:33:05,082 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:33:05,082 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:33:05,082 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-20 23:33:05,082 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:33:05,082 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-20 23:33:05,082 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-20 23:33:05,082 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-20 23:33:05,082 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:33:05,082 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:33:05,082 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-20 23:33:05,083 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-20 23:33:05,083 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:33:05,083 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-20 23:33:05,083 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:33:05,083 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:33:05,083 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-20 23:33:05,083 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-20 23:33:05,083 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:33:05,083 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:33:05,083 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:33:05,083 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-20 23:33:05,083 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-20 23:33:05,083 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-20 23:33:05,083 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-20 23:33:05,083 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:33:05,083 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:33:05,083 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:33:05,084 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-20 23:33:05,084 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-20 23:33:05,084 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-20 23:33:05,084 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-20 23:33:05,084 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:05,084 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:33:05,084 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:33:05,084 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:33:05,084 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:05,084 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:05,084 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:33:05,084 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:33:05,084 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-20 23:33:05,084 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-20 23:33:05,084 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:33:05,084 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:33:05,084 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:33:05,085 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:33:05,085 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:33:05,085 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-20 23:33:05,085 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:33:05,085 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:33:05,085 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:33:05,085 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:33:05,085 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:33:05,085 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:33:05,085 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:33:05,085 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-20 23:33:05,085 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-20 23:33:05,085 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:33:05,085 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-20 23:33:05,085 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-20 23:33:05,085 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:33:05,085 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-20 23:33:05,086 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-20 23:33:05,086 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:33:05,086 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:05,086 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:33:05,086 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:05,086 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:05,086 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-20 23:33:05,086 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:05,086 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-20 23:33:05,086 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-20 23:33:05,086 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-20 23:33:05,086 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-20 23:33:05,086 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:33:05,086 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-20 23:33:05,086 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-20 23:33:05,086 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:33:05,087 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:33:05,087 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-20 23:33:05,087 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:33:05,087 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-20 23:33:05,087 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:33:05,087 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-20 23:33:05,087 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:05,087 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-20 23:33:05,087 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:05,087 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:05,087 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-20 23:33:05,087 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:33:05,087 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-20 23:33:05,087 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:33:05,087 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-20 23:33:05,087 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-20 23:33:05,087 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-20 23:33:05,088 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:33:05,088 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:33:05,088 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-20 23:33:05,088 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-20 23:33:05,088 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:33:05,088 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-20 23:33:05,089 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:05,089 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:05,089 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:05,089 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:05,089 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:05,089 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:05,089 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:05,089 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == calloc_modelErr0EnsuresViolation======== [2018-01-20 23:33:05,089 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:05,090 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-20 23:33:05,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-20 23:33:05,091 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:05,091 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] [2018-01-20 23:33:05,091 INFO L371 AbstractCegarLoop]: === Iteration 1 === [calloc_modelErr0EnsuresViolation]=== [2018-01-20 23:33:05,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1182361561, now seen corresponding path program 1 times [2018-01-20 23:33:05,091 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:05,092 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:05,092 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:05,092 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:05,092 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:05,096 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:05,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:05,139 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:05,139 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:33:05,139 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:05,139 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-20 23:33:05,139 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-20 23:33:05,139 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-20 23:33:05,140 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 5 states. [2018-01-20 23:33:05,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:05,182 INFO L93 Difference]: Finished difference Result 182 states and 208 transitions. [2018-01-20 23:33:05,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-20 23:33:05,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-01-20 23:33:05,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:05,219 INFO L225 Difference]: With dead ends: 182 [2018-01-20 23:33:05,219 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:33:05,220 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-20 23:33:05,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:33:05,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:33:05,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:33:05,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:33:05,220 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2018-01-20 23:33:05,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:05,220 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:33:05,220 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-20 23:33:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:33:05,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:33:05,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:33:05,344 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:33:05,345 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:33:05,345 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-20 23:33:05,345 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-20 23:33:05,345 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-20 23:33:05,345 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-20 23:33:05,345 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:33:05,345 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:33:05,345 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-20 23:33:05,345 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-20 23:33:05,345 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-20 23:33:05,345 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:33:05,345 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-20 23:33:05,345 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:33:05,345 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-20 23:33:05,345 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-20 23:33:05,346 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:33:05,346 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-20 23:33:05,346 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-20 23:33:05,346 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:33:05,346 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-20 23:33:05,346 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:33:05,346 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-20 23:33:05,346 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-20 23:33:05,346 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-20 23:33:05,346 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:33:05,346 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:33:05,346 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-20 23:33:05,346 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:33:05,346 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:33:05,346 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:33:05,346 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:33:05,346 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:33:05,347 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-20 23:33:05,347 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-20 23:33:05,347 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:33:05,347 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-20 23:33:05,347 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-20 23:33:05,347 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-20 23:33:05,347 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:33:05,347 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:33:05,347 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-20 23:33:05,347 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:33:05,347 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-20 23:33:05,347 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:33:05,347 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:33:05,347 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:33:05,347 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-20 23:33:05,347 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:33:05,347 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:33:05,348 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:33:05,348 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-20 23:33:05,348 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-20 23:33:05,348 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-20 23:33:05,348 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-20 23:33:05,348 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-20 23:33:05,348 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-20 23:33:05,348 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:33:05,348 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-20 23:33:05,348 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:33:05,348 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-20 23:33:05,348 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:33:05,348 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-20 23:33:05,348 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:33:05,348 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:33:05,348 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:33:05,348 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:33:05,349 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-20 23:33:05,349 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:33:05,349 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:33:05,349 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-20 23:33:05,349 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-20 23:33:05,349 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:33:05,349 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:33:05,349 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-20 23:33:05,349 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-20 23:33:05,349 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-20 23:33:05,349 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:33:05,349 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-20 23:33:05,349 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-20 23:33:05,349 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:33:05,349 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:33:05,349 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:33:05,349 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:33:05,350 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-20 23:33:05,350 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:33:05,350 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-20 23:33:05,350 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-20 23:33:05,350 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-20 23:33:05,350 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:33:05,350 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:33:05,350 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-20 23:33:05,350 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-20 23:33:05,350 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:33:05,350 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-20 23:33:05,350 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:33:05,350 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:33:05,350 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-20 23:33:05,350 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-20 23:33:05,350 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:33:05,350 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:33:05,351 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:33:05,351 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-20 23:33:05,351 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-20 23:33:05,351 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-20 23:33:05,351 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-20 23:33:05,351 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:33:05,351 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:33:05,351 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:33:05,351 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-20 23:33:05,351 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-20 23:33:05,351 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-20 23:33:05,351 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-20 23:33:05,351 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:05,351 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:33:05,351 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:33:05,351 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:33:05,351 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:05,352 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:05,352 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:33:05,352 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:33:05,352 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-20 23:33:05,352 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-20 23:33:05,352 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:33:05,352 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:33:05,352 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:33:05,352 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:33:05,352 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:33:05,352 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-20 23:33:05,352 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:33:05,352 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:33:05,352 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:33:05,352 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:33:05,352 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:33:05,352 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:33:05,353 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:33:05,353 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-20 23:33:05,353 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-20 23:33:05,353 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:33:05,353 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-20 23:33:05,353 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-20 23:33:05,353 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:33:05,353 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-20 23:33:05,353 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-20 23:33:05,353 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:33:05,353 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:05,353 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:33:05,353 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:05,353 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:05,353 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-20 23:33:05,353 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:05,353 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-20 23:33:05,354 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-20 23:33:05,354 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-20 23:33:05,354 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-20 23:33:05,354 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:33:05,354 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-20 23:33:05,354 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-20 23:33:05,354 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:33:05,354 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:33:05,354 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-20 23:33:05,354 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:33:05,354 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-20 23:33:05,354 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:33:05,354 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-20 23:33:05,354 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:05,354 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-20 23:33:05,354 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:05,355 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:05,355 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-20 23:33:05,355 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:33:05,355 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-20 23:33:05,355 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:33:05,355 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-20 23:33:05,355 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-20 23:33:05,355 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-20 23:33:05,355 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:33:05,355 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:33:05,355 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-20 23:33:05,355 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-20 23:33:05,355 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:33:05,355 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-20 23:33:05,356 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:05,356 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:05,356 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:05,356 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:05,356 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:05,356 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:05,357 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:05,357 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l4_insertErr0EnsuresViolation======== [2018-01-20 23:33:05,357 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:05,358 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-20 23:33:05,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-01-20 23:33:05,359 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:05,359 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:05,359 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l4_insertErr0EnsuresViolation]=== [2018-01-20 23:33:05,359 INFO L82 PathProgramCache]: Analyzing trace with hash 2064093293, now seen corresponding path program 1 times [2018-01-20 23:33:05,359 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:05,360 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:05,360 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:05,360 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:05,360 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:05,372 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:05,397 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:05,397 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:05,398 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:05,398 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-01-20 23:33:05,398 INFO L201 CegarAbsIntRunner]: [48], [88], [90], [94], [113], [119], [120], [121], [123], [127], [146], [148], [152], [171], [173], [177], [196], [197], [198], [200], [201], [203], [205], [207], [208], [209], [210], [211], [212], [213], [214], [215], [216], [218], [219], [221], [224], [226], [228], [229], [230], [231], [285], [291], [292], [293], [295], [296], [297], [299], [300], [301], [303], [304], [305], [307], [308], [309], [310], [311], [312], [313], [314], [317], [318], [319] [2018-01-20 23:33:05,399 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:33:05,399 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:33:05,692 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:33:05,692 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:33:05,700 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:33:06,035 INFO L232 lantSequenceWeakener]: Weakened 1 states. On average, predicates are now at 41.67% of their original sizes. [2018-01-20 23:33:06,036 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:33:06,079 WARN L1007 $PredicateComparison]: unable to prove that (let ((.cse1 (select (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|) |c_~#list~23.offset|)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_~#list~23.base|) |c_~#list~23.offset|)) (.cse0 (select |c_old(#valid)| |c_~#list~23.base|))) (and (not (= |c_#length| |c_old(#valid)|)) (= .cse0 .cse1) (= .cse1 .cse2) (forall ((v_weq0_9 Int)) (let ((.cse9 (select |c_#memory_$Pointer$.base| |c_~#list~23.base|))) (let ((.cse3 (select .cse9 v_weq0_9))) (or (= .cse3 (select |c_old(#valid)| v_weq0_9)) (let ((.cse10 (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|))) (let ((.cse5 (select .cse10 |c_~#list~23.offset|)) (.cse7 (select .cse10 v_weq0_9)) (.cse4 (select |c_old(#valid)| |c_~#list~23.base|)) (.cse6 (select .cse9 |c_~#list~23.offset|)) (.cse8 (select |c_#valid| 0))) (and (= .cse4 .cse5) (= .cse5 .cse6) (= .cse7 v_weq0_9) (= .cse8 .cse7) (= 0 .cse4) (= .cse6 .cse3) (= |c_~#list~23.offset| .cse8) (= .cse3 |c_~#list~23.offset|) (not (= |c_~#list~23.base| 0))))) (not (= v_weq0_9 0)))))) (= .cse2 |c_~#list~23.offset|) (forall ((v_weq0_9 Int)) (let ((.cse18 (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|)) (.cse16 (select |c_#memory_$Pointer$.base| |c_~#list~23.base|))) (let ((.cse22 (select .cse16 |c_~#list~23.offset|)) (.cse21 (select |c_old(#valid)| |c_~#list~23.base|)) (.cse23 (select .cse18 |c_~#list~23.offset|))) (let ((.cse12 (= .cse21 .cse23)) (.cse13 (= .cse23 .cse22)) (.cse14 (= .cse22 |c_~#list~23.offset|)) (.cse20 (= 0 .cse21)) (.cse19 (select |c_#valid| 0)) (.cse17 (select |c_#valid| v_weq0_9)) (.cse11 (select |c_old(#valid)| v_weq0_9))) (or (let ((.cse15 (select |c_#valid| |c_~#list~23.base|))) (and (= |c_~#list~23.offset| .cse11) .cse12 .cse13 (= 4 (select |c_#length| v_weq0_9)) .cse14 (= (select |c_#length| |c_~#list~23.base|) 4) (= 1 .cse15) (not (= v_weq0_9 0)) (= (select |c_#memory_$Pointer$.base| v_weq0_9) .cse16) (= .cse15 .cse17) (= (select |c_#memory_$Pointer$.offset| v_weq0_9) .cse18) (= .cse11 .cse19) .cse20 (= |c_~#list~23.base| v_weq0_9))) (and .cse12 .cse13 .cse14 .cse20 (= .cse19 v_weq0_9) (= |c_~#list~23.offset| .cse19) (not (= |c_~#list~23.base| 0))) (= .cse17 .cse11)))))) (= (select |c_#length| |c_~#list~23.base|) 4) (= 1 (select |c_#valid| |c_~#list~23.base|)) (forall ((v_weq0_9 Int)) (or (= (select (select |c_#memory_$Pointer$.base| |c_~#list~23.base|) v_weq0_9) (select (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|) v_weq0_9)) (not (= v_weq0_9 0)))) (forall ((v_weq0_9 Int) (v_weq1_9 Int)) (or (let ((.cse30 (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|)) (.cse31 (select |c_#memory_$Pointer$.base| |c_~#list~23.base|))) (let ((.cse26 (select .cse31 |c_~#list~23.offset|)) (.cse25 (select .cse31 v_weq1_9)) (.cse27 (select .cse30 |c_~#list~23.offset|)) (.cse29 (select |c_old(#valid)| |c_~#list~23.base|)) (.cse28 (select .cse30 v_weq1_9)) (.cse24 (select |c_#valid| 0))) (and (= .cse24 v_weq1_9) (= .cse25 .cse26) (= .cse26 |c_~#list~23.offset|) (= .cse27 .cse25) (= .cse28 .cse27) (= 0 .cse29) (= .cse29 .cse28) (= |c_~#list~23.offset| .cse24) (not (= |c_~#list~23.base| 0))))) (= (select (select |c_#memory_$Pointer$.offset| v_weq0_9) v_weq1_9) (select (select |c_#memory_$Pointer$.base| v_weq0_9) v_weq1_9)) (not (= v_weq0_9 |c_~#list~23.base|)) (not (= v_weq1_9 0)))) (forall ((v_weq0_9 Int)) (or (= (select |c_#valid| v_weq0_9) (select (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|) v_weq0_9)) (not (= v_weq0_9 0)))) (forall ((v_weq0_9 Int)) (or (= (select |c_#valid| v_weq0_9) (select (select |c_#memory_$Pointer$.base| |c_~#list~23.base|) v_weq0_9)) (not (= v_weq0_9 0)))) (not (= 0 |c_~#list~23.base|)) (not (= |c_#valid| |c_#length|)) (= 0 .cse0) (forall ((v_weq0_9 Int)) (let ((.cse39 (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|))) (let ((.cse35 (select .cse39 v_weq0_9))) (or (let ((.cse38 (select |c_#memory_$Pointer$.base| |c_~#list~23.base|))) (let ((.cse33 (select .cse39 |c_~#list~23.offset|)) (.cse32 (select |c_old(#valid)| |c_~#list~23.base|)) (.cse34 (select .cse38 |c_~#list~23.offset|)) (.cse36 (select |c_#valid| 0)) (.cse37 (select .cse38 v_weq0_9))) (and (= .cse32 .cse33) (= .cse33 .cse34) (= .cse35 v_weq0_9) (= .cse36 .cse35) (= 0 .cse32) (= .cse34 .cse37) (= |c_~#list~23.offset| .cse36) (= .cse37 |c_~#list~23.offset|) (not (= |c_~#list~23.base| 0))))) (= (select |c_old(#valid)| v_weq0_9) .cse35) (not (= v_weq0_9 0)))))) (= |c_~#list~23.offset| (select |c_#valid| 0)) (not (= |c_#valid| |c_old(#valid)|)))) is different from false [2018-01-20 23:33:06,084 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:33:06,084 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:06,084 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:33:06,084 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:06,084 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:33:06,085 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:33:06,085 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-01-20 23:33:06,085 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 6 states. [2018-01-20 23:33:10,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:10,431 INFO L93 Difference]: Finished difference Result 182 states and 208 transitions. [2018-01-20 23:33:10,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:33:10,431 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-01-20 23:33:10,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:10,432 INFO L225 Difference]: With dead ends: 182 [2018-01-20 23:33:10,432 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:33:10,432 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-01-20 23:33:10,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:33:10,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:33:10,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:33:10,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:33:10,433 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 146 [2018-01-20 23:33:10,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:10,433 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:33:10,433 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:33:10,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:33:10,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:33:10,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:33:10,496 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:33:10,496 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:33:10,496 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-20 23:33:10,496 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-20 23:33:10,496 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-20 23:33:10,496 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-20 23:33:10,496 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:33:10,496 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:33:10,496 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-20 23:33:10,496 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-20 23:33:10,496 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-20 23:33:10,496 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:33:10,497 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-20 23:33:10,497 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:33:10,497 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-20 23:33:10,497 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-20 23:33:10,497 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:33:10,497 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-20 23:33:10,497 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-20 23:33:10,497 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:33:10,497 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-20 23:33:10,497 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:33:10,497 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-20 23:33:10,497 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-20 23:33:10,497 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-20 23:33:10,497 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:33:10,497 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:33:10,497 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-20 23:33:10,497 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:33:10,498 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:33:10,498 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:33:10,498 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:33:10,498 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:33:10,498 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-20 23:33:10,498 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-20 23:33:10,498 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:33:10,498 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-20 23:33:10,498 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-20 23:33:10,498 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-20 23:33:10,498 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:33:10,498 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:33:10,498 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-20 23:33:10,498 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:33:10,498 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-20 23:33:10,498 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:33:10,498 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:33:10,499 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:33:10,499 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-20 23:33:10,499 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:33:10,499 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:33:10,499 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:33:10,499 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-20 23:33:10,499 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-20 23:33:10,499 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-20 23:33:10,499 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-20 23:33:10,499 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-20 23:33:10,499 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-20 23:33:10,499 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:33:10,499 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-20 23:33:10,499 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:33:10,499 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-20 23:33:10,499 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:33:10,500 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-20 23:33:10,500 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:33:10,500 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:33:10,500 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:33:10,500 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:33:10,500 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-20 23:33:10,500 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:33:10,500 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:33:10,500 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-20 23:33:10,500 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-20 23:33:10,500 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:33:10,500 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:33:10,500 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-20 23:33:10,500 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-20 23:33:10,500 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-20 23:33:10,500 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:33:10,500 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-20 23:33:10,501 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-20 23:33:10,501 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:33:10,501 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:33:10,501 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:33:10,501 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:33:10,501 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-20 23:33:10,501 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:33:10,501 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-20 23:33:10,501 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-20 23:33:10,501 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-20 23:33:10,501 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:33:10,501 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:33:10,501 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-20 23:33:10,501 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-20 23:33:10,501 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:33:10,501 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-20 23:33:10,501 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:33:10,502 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:33:10,502 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-20 23:33:10,502 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-20 23:33:10,502 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:33:10,502 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:33:10,502 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:33:10,502 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-20 23:33:10,502 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-20 23:33:10,502 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-20 23:33:10,502 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-20 23:33:10,502 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:33:10,502 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:33:10,502 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:33:10,502 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-20 23:33:10,502 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-20 23:33:10,502 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-20 23:33:10,502 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-20 23:33:10,503 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:10,503 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:33:10,503 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:33:10,503 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:33:10,503 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:10,503 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:10,503 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:33:10,503 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:33:10,503 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-20 23:33:10,503 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-20 23:33:10,503 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:33:10,503 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:33:10,503 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:33:10,503 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:33:10,503 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:33:10,503 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-20 23:33:10,503 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:33:10,504 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:33:10,504 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:33:10,504 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:33:10,504 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:33:10,504 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:33:10,504 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:33:10,504 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-20 23:33:10,504 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-20 23:33:10,504 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:33:10,504 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-20 23:33:10,504 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-20 23:33:10,504 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:33:10,504 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-20 23:33:10,504 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-20 23:33:10,504 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:33:10,504 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:10,505 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:33:10,505 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:10,505 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (and (= |old(#NULL.offset)| |#NULL.offset|) (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(~#list~23.base)| |~#list~23.base|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~#list~23.offset)| |~#list~23.offset|)) [2018-01-20 23:33:10,505 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-20 23:33:10,505 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:10,505 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-20 23:33:10,505 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-20 23:33:10,505 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-20 23:33:10,505 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-20 23:33:10,505 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:33:10,506 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-20 23:33:10,506 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-20 23:33:10,506 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:33:10,506 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:33:10,506 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-20 23:33:10,506 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:33:10,506 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-20 23:33:10,506 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:33:10,506 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-20 23:33:10,506 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:10,507 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-20 23:33:10,507 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:10,507 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:10,507 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-20 23:33:10,507 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:33:10,507 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-20 23:33:10,507 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:33:10,507 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-20 23:33:10,507 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-20 23:33:10,507 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-20 23:33:10,507 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:33:10,507 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:33:10,507 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-20 23:33:10,507 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-20 23:33:10,507 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:33:10,507 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-20 23:33:10,508 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:10,508 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:10,509 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:10,509 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:10,509 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:10,509 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:10,509 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:10,509 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == zalloc_or_dieErr0EnsuresViolation======== [2018-01-20 23:33:10,509 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-20 23:33:10,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-20 23:33:10,511 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:10,512 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, 1, 1] [2018-01-20 23:33:10,512 INFO L371 AbstractCegarLoop]: === Iteration 1 === [zalloc_or_dieErr0EnsuresViolation]=== [2018-01-20 23:33:10,512 INFO L82 PathProgramCache]: Analyzing trace with hash -417060020, now seen corresponding path program 1 times [2018-01-20 23:33:10,512 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:10,513 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:10,513 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:10,513 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:10,513 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:10,517 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:10,527 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:10,527 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:10,527 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:10,527 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2018-01-20 23:33:10,528 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-20 23:33:10,528 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:10,528 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 23:33:10,540 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:10,540 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-20 23:33:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:10,563 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 23:33:10,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:10,570 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-20 23:33:10,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:10,609 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:10,609 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-01-20 23:33:10,609 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:10,609 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 23:33:10,610 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 23:33:10,610 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 23:33:10,610 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 3 states. [2018-01-20 23:33:10,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:10,738 INFO L93 Difference]: Finished difference Result 380 states and 468 transitions. [2018-01-20 23:33:10,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 23:33:10,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-01-20 23:33:10,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:10,739 INFO L225 Difference]: With dead ends: 380 [2018-01-20 23:33:10,739 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:33:10,740 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 23:33:10,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:33:10,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:33:10,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:33:10,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:33:10,741 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-20 23:33:10,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:10,741 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:33:10,741 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 23:33:10,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:33:10,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:33:10,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:33:10,786 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:33:10,786 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:33:10,786 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-20 23:33:10,786 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-20 23:33:10,786 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-20 23:33:10,786 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-20 23:33:10,786 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:33:10,786 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-20 23:33:10,786 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,786 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-20 23:33:10,786 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-20 23:33:10,786 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-20 23:33:10,787 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-20 23:33:10,787 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:33:10,787 INFO L397 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,787 INFO L397 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,787 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:33:10,787 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-20 23:33:10,787 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-20 23:33:10,787 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:33:10,787 INFO L397 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,787 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:33:10,787 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-20 23:33:10,787 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-20 23:33:10,787 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,787 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-20 23:33:10,787 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-20 23:33:10,787 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-20 23:33:10,787 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:33:10,788 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:33:10,788 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:33:10,788 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:33:10,788 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:33:10,788 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-20 23:33:10,788 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-20 23:33:10,788 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-20 23:33:10,788 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,788 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-20 23:33:10,788 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-20 23:33:10,788 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:33:10,788 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:33:10,788 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-20 23:33:10,788 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-20 23:33:10,788 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-20 23:33:10,788 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:33:10,788 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:33:10,789 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:33:10,789 INFO L397 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,789 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:33:10,789 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-20 23:33:10,789 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:33:10,789 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,789 INFO L397 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,789 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-20 23:33:10,789 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-20 23:33:10,789 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-20 23:33:10,789 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-20 23:33:10,789 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:33:10,789 INFO L397 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,789 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-20 23:33:10,789 INFO L397 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,789 INFO L397 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,790 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-20 23:33:10,790 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:33:10,790 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:33:10,790 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:33:10,790 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:33:10,790 INFO L397 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,790 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-20 23:33:10,790 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-20 23:33:10,790 INFO L397 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,790 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-20 23:33:10,790 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:33:10,790 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:33:10,790 INFO L397 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,790 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-20 23:33:10,790 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-20 23:33:10,790 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:33:10,790 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,791 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-20 23:33:10,791 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:33:10,791 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-20 23:33:10,791 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:33:10,791 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-20 23:33:10,791 INFO L397 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,791 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:33:10,791 INFO L397 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,791 INFO L397 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,791 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-20 23:33:10,791 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:33:10,791 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:33:10,791 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-20 23:33:10,791 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,791 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:33:10,791 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-20 23:33:10,791 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:33:10,792 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-20 23:33:10,792 INFO L397 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,792 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-20 23:33:10,792 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-20 23:33:10,792 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:33:10,792 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:33:10,792 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-20 23:33:10,792 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-20 23:33:10,792 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-20 23:33:10,792 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-20 23:33:10,792 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:33:10,792 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-20 23:33:10,792 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-20 23:33:10,792 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-20 23:33:10,792 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-20 23:33:10,792 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-20 23:33:10,792 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,793 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:10,793 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:33:10,793 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,793 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:33:10,793 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:10,793 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:10,793 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:33:10,793 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:33:10,793 INFO L397 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,793 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-20 23:33:10,793 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:33:10,793 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:33:10,793 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:33:10,793 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:33:10,793 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:33:10,793 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-20 23:33:10,793 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:33:10,794 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:33:10,794 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:33:10,794 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-20 23:33:10,794 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,794 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:33:10,794 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:33:10,794 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-20 23:33:10,794 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,794 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:33:10,794 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-20 23:33:10,794 INFO L397 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,794 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:33:10,794 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-20 23:33:10,794 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,794 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-20 23:33:10,794 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:10,794 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:33:10,795 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:10,795 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (and (= |old(#NULL.offset)| |#NULL.offset|) (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(~#list~23.base)| |~#list~23.base|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~#list~23.offset)| |~#list~23.offset|)) [2018-01-20 23:33:10,795 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-20 23:33:10,795 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:10,795 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-20 23:33:10,795 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-20 23:33:10,795 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-20 23:33:10,795 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-20 23:33:10,795 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:33:10,795 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-20 23:33:10,795 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-20 23:33:10,795 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:33:10,795 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-20 23:33:10,795 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,795 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:33:10,795 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-20 23:33:10,795 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-20 23:33:10,796 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-20 23:33:10,796 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:10,796 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-20 23:33:10,796 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:10,796 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-20 23:33:10,796 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-20 23:33:10,796 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:33:10,796 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-20 23:33:10,796 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:33:10,796 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-20 23:33:10,796 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-20 23:33:10,796 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-20 23:33:10,796 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:33:10,796 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-20 23:33:10,796 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:10,796 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-20 23:33:10,796 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-20 23:33:10,797 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-20 23:33:10,797 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:10,797 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:10,797 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:10,797 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:10,798 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:10,798 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:10,798 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:10,798 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-20 23:33:10,798 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:10,799 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-20 23:33:10,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-01-20 23:33:10,799 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:10,799 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-01-20 23:33:10,799 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-20 23:33:10,799 INFO L82 PathProgramCache]: Analyzing trace with hash 328405087, now seen corresponding path program 1 times [2018-01-20 23:33:10,799 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:10,800 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:10,800 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:10,800 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:10,800 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 23:33:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 23:33:10,822 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 23:33:10,828 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 23:33:10,837 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:10,837 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:10,837 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:10,837 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:10,837 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:10,837 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:10,837 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:10,837 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l1_destroyErr0EnsuresViolation======== [2018-01-20 23:33:10,837 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:10,839 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-20 23:33:10,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-20 23:33:10,840 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:10,840 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:10,840 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l1_destroyErr0EnsuresViolation]=== [2018-01-20 23:33:10,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1578019281, now seen corresponding path program 1 times [2018-01-20 23:33:10,840 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:10,841 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:10,841 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:10,841 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:10,841 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:10,845 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:10,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:10,850 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:10,850 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:33:10,850 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:10,850 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:33:10,850 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:33:10,850 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:10,850 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2018-01-20 23:33:10,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:10,860 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-01-20 23:33:10,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:33:10,860 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-01-20 23:33:10,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:10,862 INFO L225 Difference]: With dead ends: 356 [2018-01-20 23:33:10,862 INFO L226 Difference]: Without dead ends: 161 [2018-01-20 23:33:10,863 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:10,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-01-20 23:33:10,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-01-20 23:33:10,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-01-20 23:33:10,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 176 transitions. [2018-01-20 23:33:10,872 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 176 transitions. Word has length 17 [2018-01-20 23:33:10,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:10,873 INFO L432 AbstractCegarLoop]: Abstraction has 161 states and 176 transitions. [2018-01-20 23:33:10,873 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:33:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 176 transitions. [2018-01-20 23:33:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-01-20 23:33:10,875 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:10,875 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:10,875 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l1_destroyErr0EnsuresViolation]=== [2018-01-20 23:33:10,875 INFO L82 PathProgramCache]: Analyzing trace with hash -901297964, now seen corresponding path program 1 times [2018-01-20 23:33:10,875 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:10,876 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:10,876 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:10,876 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:10,877 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:10,892 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:10,948 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:10,949 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:10,949 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:10,949 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 239 with the following transitions: [2018-01-20 23:33:10,949 INFO L201 CegarAbsIntRunner]: [0], [4], [5], [7], [8], [9], [10], [11], [15], [21], [23], [27], [28], [29], [30], [31], [32], [33], [34], [38], [44], [48], [51], [54], [60], [65], [69], [70], [88], [90], [94], [97], [100], [106], [107], [108], [109], [110], [111], [113], [119], [120], [121], [123], [127], [130], [133], [139], [140], [141], [142], [143], [144], [146], [148], [152], [155], [158], [164], [165], [166], [167], [168], [169], [171], [173], [177], [180], [183], [189], [190], [191], [192], [193], [194], [196], [197], [198], [200], [201], [203], [205], [207], [208], [209], [210], [211], [212], [213], [214], [215], [216], [217], [219], [221], [224], [226], [228], [229], [230], [231], [233], [237], [238], [240], [241], [242], [243], [244], [248], [255], [260], [264], [265], [267], [268], [269], [270], [271], [275], [281], [283], [284], [285], [286], [287], [289], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [321], [322] [2018-01-20 23:33:10,951 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:33:10,951 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:33:11,293 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:33:11,294 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:33:11,299 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:33:11,705 INFO L232 lantSequenceWeakener]: Weakened 1 states. On average, predicates are now at 41.67% of their original sizes. [2018-01-20 23:33:11,705 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:33:11,787 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:33:11,787 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:11,788 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:33:11,788 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:11,788 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:33:11,788 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:33:11,788 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=19, Unknown=2, NotChecked=0, Total=30 [2018-01-20 23:33:11,789 INFO L87 Difference]: Start difference. First operand 161 states and 176 transitions. Second operand 6 states. [2018-01-20 23:33:15,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:15,974 INFO L93 Difference]: Finished difference Result 161 states and 176 transitions. [2018-01-20 23:33:16,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:33:16,008 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 238 [2018-01-20 23:33:16,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:16,009 INFO L225 Difference]: With dead ends: 161 [2018-01-20 23:33:16,009 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:33:16,009 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 237 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=19, Unknown=2, NotChecked=0, Total=30 [2018-01-20 23:33:16,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:33:16,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:33:16,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:33:16,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:33:16,010 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 238 [2018-01-20 23:33:16,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:16,010 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:33:16,010 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:33:16,010 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:33:16,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:33:16,011 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:16,011 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:16,011 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:16,011 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:16,011 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:16,011 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:16,011 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:16,011 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-20 23:33:16,011 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:16,012 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-20 23:33:16,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-20 23:33:16,013 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:16,013 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:16,013 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 23:33:16,013 INFO L82 PathProgramCache]: Analyzing trace with hash -794434849, now seen corresponding path program 1 times [2018-01-20 23:33:16,013 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:16,013 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:16,013 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:16,013 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:16,014 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:16,016 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:16,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:16,019 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:16,019 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:33:16,019 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:16,020 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:33:16,020 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:33:16,020 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:16,020 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2018-01-20 23:33:16,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:16,026 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-01-20 23:33:16,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:33:16,026 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-01-20 23:33:16,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:16,027 INFO L225 Difference]: With dead ends: 356 [2018-01-20 23:33:16,027 INFO L226 Difference]: Without dead ends: 167 [2018-01-20 23:33:16,027 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:16,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-01-20 23:33:16,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-01-20 23:33:16,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-01-20 23:33:16,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 182 transitions. [2018-01-20 23:33:16,033 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 182 transitions. Word has length 18 [2018-01-20 23:33:16,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:16,033 INFO L432 AbstractCegarLoop]: Abstraction has 167 states and 182 transitions. [2018-01-20 23:33:16,033 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:33:16,033 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 182 transitions. [2018-01-20 23:33:16,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-01-20 23:33:16,035 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:16,035 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:16,035 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 23:33:16,035 INFO L82 PathProgramCache]: Analyzing trace with hash -905885565, now seen corresponding path program 1 times [2018-01-20 23:33:16,035 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:16,036 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:16,036 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:16,036 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:16,036 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:16,045 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:16,080 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:16,080 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:16,080 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:16,080 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 252 with the following transitions: [2018-01-20 23:33:16,080 INFO L201 CegarAbsIntRunner]: [0], [4], [5], [7], [8], [9], [10], [11], [15], [21], [23], [27], [28], [29], [30], [31], [32], [33], [34], [38], [44], [48], [51], [54], [60], [62], [63], [65], [69], [70], [72], [73], [74], [75], [76], [80], [86], [88], [90], [94], [97], [100], [106], [107], [108], [109], [110], [111], [113], [119], [120], [121], [123], [127], [130], [133], [139], [140], [141], [142], [143], [144], [146], [148], [152], [155], [158], [164], [165], [166], [167], [168], [169], [171], [173], [177], [180], [183], [189], [190], [191], [192], [193], [194], [196], [197], [198], [200], [201], [203], [205], [207], [208], [209], [210], [211], [212], [213], [214], [215], [216], [217], [219], [221], [224], [226], [228], [229], [230], [231], [233], [237], [238], [240], [241], [242], [243], [244], [248], [254], [259], [260], [264], [265], [267], [268], [269], [270], [271], [275], [281], [283], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322] [2018-01-20 23:33:16,082 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:33:16,082 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:33:16,321 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:33:16,321 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:33:16,329 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:33:16,612 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:33:16,612 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:33:16,647 WARN L1007 $PredicateComparison]: unable to prove that (let ((.cse1 (select (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|) |c_~#list~23.offset|)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_~#list~23.base|) |c_~#list~23.offset|)) (.cse0 (select |c_old(#valid)| |c_~#list~23.base|))) (and (not (= |c_#length| |c_old(#valid)|)) (= .cse0 .cse1) (= .cse1 .cse2) (forall ((v_weq0_11 Int)) (or (not (= v_weq0_11 0)) (= (select (select |c_#memory_$Pointer$.base| |c_~#list~23.base|) v_weq0_11) (select |c_#valid| v_weq0_11)))) (= .cse2 |c_~#list~23.offset|) (= (select |c_#length| |c_~#list~23.base|) 4) (= 1 (select |c_#valid| |c_~#list~23.base|)) (forall ((v_weq0_11 Int)) (or (not (= v_weq0_11 0)) (= (select (select |c_#memory_$Pointer$.base| |c_~#list~23.base|) v_weq0_11) (select (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|) v_weq0_11)))) (not (= 0 |c_~#list~23.base|)) (not (= |c_#valid| |c_#length|)) (forall ((v_weq0_11 Int)) (let ((.cse9 (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|))) (let ((.cse3 (select .cse9 v_weq0_11))) (or (let ((.cse8 (select |c_#memory_$Pointer$.base| |c_~#list~23.base|))) (let ((.cse4 (select .cse8 |c_~#list~23.offset|)) (.cse5 (select .cse9 |c_~#list~23.offset|)) (.cse7 (select |c_old(#valid)| |c_~#list~23.base|)) (.cse6 (select .cse8 v_weq0_11))) (and (= .cse3 .cse4) (= v_weq0_11 .cse5) (= .cse4 |c_~#list~23.offset|) (= .cse5 .cse3) (= |c_~#list~23.offset| .cse6) (= .cse7 v_weq0_11) (= 0 .cse7) (not (= |c_~#list~23.base| 0)) (= .cse6 (select |c_#valid| 0))))) (not (= v_weq0_11 0)) (= (select |c_old(#valid)| v_weq0_11) .cse3))))) (forall ((v_weq0_11 Int)) (or (= (select |c_#valid| v_weq0_11) (select (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|) v_weq0_11)) (not (= v_weq0_11 0)))) (forall ((v_weq0_11 Int) (v_weq1_11 Int)) (or (not (= v_weq1_11 0)) (not (= v_weq0_11 |c_~#list~23.base|)) (= (select (select |c_#memory_$Pointer$.offset| v_weq0_11) v_weq1_11) (select (select |c_#memory_$Pointer$.base| v_weq0_11) v_weq1_11)))) (forall ((v_weq0_11 Int)) (let ((.cse16 (select |c_#memory_$Pointer$.base| |c_~#list~23.base|))) (let ((.cse13 (select .cse16 v_weq0_11))) (or (let ((.cse15 (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|))) (let ((.cse11 (select .cse16 |c_~#list~23.offset|)) (.cse12 (select .cse15 |c_~#list~23.offset|)) (.cse10 (select .cse15 v_weq0_11)) (.cse14 (select |c_old(#valid)| |c_~#list~23.base|))) (and (= .cse10 .cse11) (= v_weq0_11 .cse12) (= .cse11 |c_~#list~23.offset|) (= .cse12 .cse10) (= |c_~#list~23.offset| .cse13) (= .cse14 v_weq0_11) (= 0 .cse14) (not (= |c_~#list~23.base| 0)) (= .cse13 (select |c_#valid| 0))))) (not (= v_weq0_11 0)) (= .cse13 (select |c_old(#valid)| v_weq0_11)))))) (forall ((v_weq0_11 Int)) (let ((.cse30 (select |c_#memory_$Pointer$.base| |c_~#list~23.base|)) (.cse27 (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|))) (let ((.cse22 (select |c_old(#valid)| |c_~#list~23.base|)) (.cse20 (select .cse27 |c_~#list~23.offset|)) (.cse31 (select .cse30 |c_~#list~23.offset|))) (let ((.cse19 (= .cse20 .cse31)) (.cse21 (= .cse31 |c_~#list~23.offset|)) (.cse17 (select |c_old(#valid)| v_weq0_11)) (.cse24 (select |c_#valid| 0)) (.cse18 (select |c_#valid| v_weq0_11)) (.cse23 (= 0 .cse22)) (.cse25 (not (= |c_~#list~23.base| 0)))) (or (= .cse17 .cse18) (and .cse19 (= v_weq0_11 .cse20) .cse21 (= .cse22 v_weq0_11) .cse23 (= |c_~#list~23.offset| .cse24) .cse25) (let ((.cse26 (select |c_#memory_$Pointer$.offset| v_weq0_11))) (let ((.cse28 (select |c_#valid| |c_~#list~23.base|)) (.cse29 (select .cse26 |c_~#list~23.offset|))) (and .cse19 (= .cse17 .cse20) .cse21 (= .cse22 .cse17) (= (select |c_#length| |c_~#list~23.base|) 4) (= .cse26 .cse27) (= 1 .cse28) (= .cse29 .cse24) (= (select |c_#memory_$Pointer$.base| v_weq0_11) .cse30) (= .cse28 .cse18) .cse23 (= v_weq0_11 |c_~#list~23.base|) (= 4 (select |c_#length| v_weq0_11)) (= |c_~#list~23.offset| .cse29) .cse25)))))))) (= 0 .cse0) (= |c_~#list~23.offset| (select |c_#valid| 0)) (not (= |c_#valid| |c_old(#valid)|)))) is different from false [2018-01-20 23:33:16,654 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:33:16,654 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:16,655 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:33:16,655 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:16,655 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:33:16,655 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:33:16,655 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-01-20 23:33:16,655 INFO L87 Difference]: Start difference. First operand 167 states and 182 transitions. Second operand 6 states. Received shutdown request... [2018-01-20 23:33:20,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:33:20,737 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-20 23:33:20,739 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:20,740 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:20,740 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:20,740 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:20,740 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:20,740 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:20,740 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:20,740 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l2_destroyErr0EnsuresViolation======== [2018-01-20 23:33:20,740 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:20,741 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-20 23:33:20,741 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-20 23:33:20,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 11:33:20 BoogieIcfgContainer [2018-01-20 23:33:20,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-20 23:33:20,743 INFO L168 Benchmark]: Toolchain (without parser) took 59529.76 ms. Allocated memory was 303.0 MB in the beginning and 949.0 MB in the end (delta: 645.9 MB). Free memory was 260.4 MB in the beginning and 707.2 MB in the end (delta: -446.8 MB). Peak memory consumption was 199.1 MB. Max. memory is 5.3 GB. [2018-01-20 23:33:20,743 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 303.0 MB. Free memory is still 267.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-20 23:33:20,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.75 ms. Allocated memory is still 303.0 MB. Free memory was 260.4 MB in the beginning and 247.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. [2018-01-20 23:33:20,744 INFO L168 Benchmark]: Boogie Preprocessor took 47.85 ms. Allocated memory is still 303.0 MB. Free memory was 247.3 MB in the beginning and 245.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-20 23:33:20,744 INFO L168 Benchmark]: RCFGBuilder took 579.67 ms. Allocated memory is still 303.0 MB. Free memory was 245.3 MB in the beginning and 202.3 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 5.3 GB. [2018-01-20 23:33:20,744 INFO L168 Benchmark]: TraceAbstraction took 58664.78 ms. Allocated memory was 303.0 MB in the beginning and 949.0 MB in the end (delta: 645.9 MB). Free memory was 202.3 MB in the beginning and 707.2 MB in the end (delta: -504.8 MB). Peak memory consumption was 141.1 MB. Max. memory is 5.3 GB. [2018-01-20 23:33:20,745 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 303.0 MB. Free memory is still 267.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 230.75 ms. Allocated memory is still 303.0 MB. Free memory was 260.4 MB in the beginning and 247.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 47.85 ms. Allocated memory is still 303.0 MB. Free memory was 247.3 MB in the beginning and 245.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 579.67 ms. Allocated memory is still 303.0 MB. Free memory was 245.3 MB in the beginning and 202.3 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 58664.78 ms. Allocated memory was 303.0 MB in the beginning and 949.0 MB in the end (delta: 645.9 MB). Free memory was 202.3 MB in the beginning and 707.2 MB in the end (delta: -504.8 MB). Peak memory consumption was 141.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 4 LocStat_MAX_WEQGRAPH_SIZE : 22 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 34 LocStat_NO_SUPPORTING_DISEQUALITIES : 8 LocStat_NO_DISJUNCTIONS : -8 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 7 TransStat_MAX_WEQGRAPH_SIZE : 12 TransStat_MAX_SIZEOF_WEQEDGELABEL : 3 TransStat_NO_SUPPORTING_EQUALITIES : 26 TransStat_NO_SUPPORTING_DISEQUALITIES : 4 TransStat_NO_DISJUNCTIONS : 7 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 4.764458 RENAME_VARIABLES(MILLISECONDS) : 48.275474 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 4.603366 PROJECTAWAY(MILLISECONDS) : 0.042247 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.101119 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 48.368093 ADD_EQUALITY(MILLISECONDS) : 0.063038 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.061187 #CONJOIN_DISJUNCTIVE : 10 #RENAME_VARIABLES : 12 #UNFREEZE : 0 #CONJOIN : 30 #PROJECTAWAY : 11 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 12 #ADD_EQUALITY : 28 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 4 LocStat_MAX_WEQGRAPH_SIZE : 22 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 34 LocStat_NO_SUPPORTING_DISEQUALITIES : 8 LocStat_NO_DISJUNCTIONS : -8 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 7 TransStat_MAX_WEQGRAPH_SIZE : 12 TransStat_MAX_SIZEOF_WEQEDGELABEL : 3 TransStat_NO_SUPPORTING_EQUALITIES : 26 TransStat_NO_SUPPORTING_DISEQUALITIES : 4 TransStat_NO_DISJUNCTIONS : 7 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 5.204473 RENAME_VARIABLES(MILLISECONDS) : 47.071958 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 5.110854 PROJECTAWAY(MILLISECONDS) : 0.030850 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.092205 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 47.147762 ADD_EQUALITY(MILLISECONDS) : 0.070633 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.046238 #CONJOIN_DISJUNCTIVE : 10 #RENAME_VARIABLES : 12 #UNFREEZE : 0 #CONJOIN : 30 #PROJECTAWAY : 11 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 12 #ADD_EQUALITY : 28 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 4 LocStat_MAX_WEQGRAPH_SIZE : 22 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 34 LocStat_NO_SUPPORTING_DISEQUALITIES : 8 LocStat_NO_DISJUNCTIONS : -8 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 7 TransStat_MAX_WEQGRAPH_SIZE : 12 TransStat_MAX_SIZEOF_WEQEDGELABEL : 3 TransStat_NO_SUPPORTING_EQUALITIES : 26 TransStat_NO_SUPPORTING_DISEQUALITIES : 4 TransStat_NO_DISJUNCTIONS : 7 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 3.888923 RENAME_VARIABLES(MILLISECONDS) : 38.111533 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 3.775932 PROJECTAWAY(MILLISECONDS) : 0.026266 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.039691 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 38.175551 ADD_EQUALITY(MILLISECONDS) : 0.070404 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.110651 #CONJOIN_DISJUNCTIVE : 10 #RENAME_VARIABLES : 12 #UNFREEZE : 0 #CONJOIN : 30 #PROJECTAWAY : 11 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 12 #ADD_EQUALITY : 28 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 4 LocStat_MAX_WEQGRAPH_SIZE : 22 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 34 LocStat_NO_SUPPORTING_DISEQUALITIES : 8 LocStat_NO_DISJUNCTIONS : -8 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 7 TransStat_MAX_WEQGRAPH_SIZE : 12 TransStat_MAX_SIZEOF_WEQEDGELABEL : 3 TransStat_NO_SUPPORTING_EQUALITIES : 26 TransStat_NO_SUPPORTING_DISEQUALITIES : 4 TransStat_NO_DISJUNCTIONS : 7 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 3.135751 RENAME_VARIABLES(MILLISECONDS) : 21.891568 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 3.070820 PROJECTAWAY(MILLISECONDS) : 0.053119 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.032877 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 21.945319 ADD_EQUALITY(MILLISECONDS) : 0.033846 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.009110 #CONJOIN_DISJUNCTIVE : 10 #RENAME_VARIABLES : 12 #UNFREEZE : 0 #CONJOIN : 30 #PROJECTAWAY : 11 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 12 #ADD_EQUALITY : 28 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 4 LocStat_MAX_WEQGRAPH_SIZE : 22 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 34 LocStat_NO_SUPPORTING_DISEQUALITIES : 8 LocStat_NO_DISJUNCTIONS : -8 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 7 TransStat_MAX_WEQGRAPH_SIZE : 12 TransStat_MAX_SIZEOF_WEQEDGELABEL : 3 TransStat_NO_SUPPORTING_EQUALITIES : 26 TransStat_NO_SUPPORTING_DISEQUALITIES : 4 TransStat_NO_DISJUNCTIONS : 7 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.813421 RENAME_VARIABLES(MILLISECONDS) : 25.538494 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.767556 PROJECTAWAY(MILLISECONDS) : 0.016120 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.030376 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 25.594869 ADD_EQUALITY(MILLISECONDS) : 0.033335 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.009555 #CONJOIN_DISJUNCTIVE : 10 #RENAME_VARIABLES : 12 #UNFREEZE : 0 #CONJOIN : 30 #PROJECTAWAY : 11 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 12 #ADD_EQUALITY : 28 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 4 LocStat_MAX_WEQGRAPH_SIZE : 22 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 34 LocStat_NO_SUPPORTING_DISEQUALITIES : 8 LocStat_NO_DISJUNCTIONS : -8 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 7 TransStat_MAX_WEQGRAPH_SIZE : 12 TransStat_MAX_SIZEOF_WEQEDGELABEL : 3 TransStat_NO_SUPPORTING_EQUALITIES : 26 TransStat_NO_SUPPORTING_DISEQUALITIES : 4 TransStat_NO_DISJUNCTIONS : 7 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.926786 RENAME_VARIABLES(MILLISECONDS) : 23.539188 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.865658 PROJECTAWAY(MILLISECONDS) : 0.018357 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.042970 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 23.600430 ADD_EQUALITY(MILLISECONDS) : 0.039063 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.010526 #CONJOIN_DISJUNCTIVE : 10 #RENAME_VARIABLES : 12 #UNFREEZE : 0 #CONJOIN : 30 #PROJECTAWAY : 11 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 12 #ADD_EQUALITY : 28 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 4 LocStat_MAX_WEQGRAPH_SIZE : 22 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 34 LocStat_NO_SUPPORTING_DISEQUALITIES : 8 LocStat_NO_DISJUNCTIONS : -8 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 7 TransStat_MAX_WEQGRAPH_SIZE : 12 TransStat_MAX_SIZEOF_WEQEDGELABEL : 3 TransStat_NO_SUPPORTING_EQUALITIES : 26 TransStat_NO_SUPPORTING_DISEQUALITIES : 4 TransStat_NO_DISJUNCTIONS : 7 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.984171 RENAME_VARIABLES(MILLISECONDS) : 23.114127 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.932382 PROJECTAWAY(MILLISECONDS) : 0.015539 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.045877 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 23.173997 ADD_EQUALITY(MILLISECONDS) : 0.029719 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.008808 #CONJOIN_DISJUNCTIVE : 10 #RENAME_VARIABLES : 12 #UNFREEZE : 0 #CONJOIN : 30 #PROJECTAWAY : 11 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 12 #ADD_EQUALITY : 28 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 4 LocStat_MAX_WEQGRAPH_SIZE : 22 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 34 LocStat_NO_SUPPORTING_DISEQUALITIES : 8 LocStat_NO_DISJUNCTIONS : -8 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 7 TransStat_MAX_WEQGRAPH_SIZE : 12 TransStat_MAX_SIZEOF_WEQEDGELABEL : 3 TransStat_NO_SUPPORTING_EQUALITIES : 26 TransStat_NO_SUPPORTING_DISEQUALITIES : 4 TransStat_NO_DISJUNCTIONS : 7 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.975544 RENAME_VARIABLES(MILLISECONDS) : 24.558394 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.921090 PROJECTAWAY(MILLISECONDS) : 0.015282 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.053073 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 24.608848 ADD_EQUALITY(MILLISECONDS) : 0.032249 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.007159 #CONJOIN_DISJUNCTIVE : 10 #RENAME_VARIABLES : 12 #UNFREEZE : 0 #CONJOIN : 30 #PROJECTAWAY : 11 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 12 #ADD_EQUALITY : 28 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 4 LocStat_MAX_WEQGRAPH_SIZE : 22 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 34 LocStat_NO_SUPPORTING_DISEQUALITIES : 8 LocStat_NO_DISJUNCTIONS : -8 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 7 TransStat_MAX_WEQGRAPH_SIZE : 12 TransStat_MAX_SIZEOF_WEQEDGELABEL : 4 TransStat_NO_SUPPORTING_EQUALITIES : 26 TransStat_NO_SUPPORTING_DISEQUALITIES : 4 TransStat_NO_DISJUNCTIONS : 7 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 2.141680 RENAME_VARIABLES(MILLISECONDS) : 22.010637 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 2.087837 PROJECTAWAY(MILLISECONDS) : 0.012094 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.043633 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 22.063405 ADD_EQUALITY(MILLISECONDS) : 0.031303 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.012855 #CONJOIN_DISJUNCTIVE : 10 #RENAME_VARIABLES : 12 #UNFREEZE : 0 #CONJOIN : 30 #PROJECTAWAY : 11 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 12 #ADD_EQUALITY : 28 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 4 LocStat_MAX_WEQGRAPH_SIZE : 22 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 34 LocStat_NO_SUPPORTING_DISEQUALITIES : 8 LocStat_NO_DISJUNCTIONS : -8 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 7 TransStat_MAX_WEQGRAPH_SIZE : 12 TransStat_MAX_SIZEOF_WEQEDGELABEL : 4 TransStat_NO_SUPPORTING_EQUALITIES : 26 TransStat_NO_SUPPORTING_DISEQUALITIES : 4 TransStat_NO_DISJUNCTIONS : 7 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.850480 RENAME_VARIABLES(MILLISECONDS) : 26.825879 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.784487 PROJECTAWAY(MILLISECONDS) : 0.015812 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.043802 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 26.868702 ADD_EQUALITY(MILLISECONDS) : 0.033181 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.020660 #CONJOIN_DISJUNCTIVE : 10 #RENAME_VARIABLES : 12 #UNFREEZE : 0 #CONJOIN : 30 #PROJECTAWAY : 11 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 12 #ADD_EQUALITY : 28 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 4 LocStat_MAX_WEQGRAPH_SIZE : 22 LocStat_MAX_SIZEOF_WEQEDGELABEL : 3 LocStat_NO_SUPPORTING_EQUALITIES : 34 LocStat_NO_SUPPORTING_DISEQUALITIES : 8 LocStat_NO_DISJUNCTIONS : -8 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 7 TransStat_MAX_WEQGRAPH_SIZE : 12 TransStat_MAX_SIZEOF_WEQEDGELABEL : 3 TransStat_NO_SUPPORTING_EQUALITIES : 26 TransStat_NO_SUPPORTING_DISEQUALITIES : 4 TransStat_NO_DISJUNCTIONS : 7 TransStat_MAX_NO_DISJUNCTIONS : 1 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.814252 RENAME_VARIABLES(MILLISECONDS) : 23.275008 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.743597 PROJECTAWAY(MILLISECONDS) : 0.015030 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.028107 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 23.322891 ADD_EQUALITY(MILLISECONDS) : 0.029388 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.006735 #CONJOIN_DISJUNCTIVE : 10 #RENAME_VARIABLES : 12 #UNFREEZE : 0 #CONJOIN : 30 #PROJECTAWAY : 12 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 12 #ADD_EQUALITY : 28 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 * 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: - PositiveResult [Line: 836]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: l3_destroyErr0EnsuresViolation CFG has 16 procedures, 182 locations, 15 error locations. SAFE Result, 6.6s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 198 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 223 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.9s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.998868778280543 AbsIntWeakeningRatio, 1.2760180995475112 AbsIntAvgWeakeningVarsNumRemoved, 0.16289592760180996 AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 104 PreInvPairs, 104 NumberOfFragments, 47 HoareAnnotationTreeSize, 104 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 247 NumberOfCodeBlocks, 247 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 576 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 816]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: l0_insertErr0EnsuresViolation CFG has 16 procedures, 182 locations, 15 error locations. SAFE Result, 6.1s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 198 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 252 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9986187845303868 AbsIntWeakeningRatio, 1.292817679558011 AbsIntAvgWeakeningVarsNumRemoved, 0.19889502762430938 AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 104 PreInvPairs, 113 NumberOfFragments, 47 HoareAnnotationTreeSize, 104 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 2450 SizeOfPredicates, 0 NumberOfNonLiveVariables, 171 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 826]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: l4_destroyErr0EnsuresViolation CFG has 16 procedures, 182 locations, 15 error locations. SAFE Result, 5.2s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 198 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 215 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9988262910798122 AbsIntWeakeningRatio, 1.2863849765258215 AbsIntAvgWeakeningVarsNumRemoved, 0.16901408450704225 AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 104 PreInvPairs, 104 NumberOfFragments, 47 HoareAnnotationTreeSize, 104 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 243 NumberOfCodeBlocks, 243 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 784 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 796]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: l2_insertErr0EnsuresViolation CFG has 16 procedures, 182 locations, 15 error locations. SAFE Result, 5.0s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9968354430379747 AbsIntWeakeningRatio, 1.4303797468354431 AbsIntAvgWeakeningVarsNumRemoved, 0.45569620253164556 AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 55 PreInvPairs, 55 NumberOfFragments, 47 HoareAnnotationTreeSize, 55 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 876]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 16 procedures, 182 locations, 15 error locations. SAFE Result, 5.0s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 198 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 250 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.998991935483871 AbsIntWeakeningRatio, 1.2419354838709677 AbsIntAvgWeakeningVarsNumRemoved, 0.14516129032258066 AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 104 PreInvPairs, 104 NumberOfFragments, 47 HoareAnnotationTreeSize, 104 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 786]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: l3_insertErr0EnsuresViolation CFG has 16 procedures, 182 locations, 15 error locations. SAFE Result, 4.9s OverallTime, 1 OverallIterations, 4 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9975247524752475 AbsIntWeakeningRatio, 1.4653465346534653 AbsIntAvgWeakeningVarsNumRemoved, 0.3564356435643564 AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 55 PreInvPairs, 55 NumberOfFragments, 47 HoareAnnotationTreeSize, 55 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 806]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: l1_insertErr0EnsuresViolation CFG has 16 procedures, 182 locations, 15 error locations. SAFE Result, 4.9s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9956140350877193 AbsIntWeakeningRatio, 1.368421052631579 AbsIntAvgWeakeningVarsNumRemoved, 0.631578947368421 AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 55 PreInvPairs, 55 NumberOfFragments, 47 HoareAnnotationTreeSize, 55 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 866]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: l0_destroyErr0EnsuresViolation CFG has 16 procedures, 182 locations, 15 error locations. SAFE Result, 4.9s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 198 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 247 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9989795918367347 AbsIntWeakeningRatio, 1.2489795918367348 AbsIntAvgWeakeningVarsNumRemoved, 0.1469387755102041 AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 104 PreInvPairs, 104 NumberOfFragments, 47 HoareAnnotationTreeSize, 104 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 740]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: calloc_modelErr0EnsuresViolation CFG has 16 procedures, 182 locations, 15 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 13 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 55 PreInvPairs, 55 NumberOfFragments, 47 HoareAnnotationTreeSize, 55 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 1298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 777]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: l4_insertErr0EnsuresViolation CFG has 16 procedures, 182 locations, 15 error locations. SAFE Result, 5.1s OverallTime, 1 OverallIterations, 6 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 9 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9982758620689656 AbsIntWeakeningRatio, 1.5034482758620689 AbsIntAvgWeakeningVarsNumRemoved, 0.2482758620689655 AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 55 PreInvPairs, 55 NumberOfFragments, 69 HoareAnnotationTreeSize, 55 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 770]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: zalloc_or_dieErr0EnsuresViolation CFG has 16 procedures, 182 locations, 15 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 163 SDtfs, 101 SDslu, 43 SDs, 0 SdLazy, 55 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 115 PreInvPairs, 157 NumberOfFragments, 107 HoareAnnotationTreeSize, 115 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 1976 SizeOfPredicates, 0 NumberOfNonLiveVariables, 150 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: IVAL [\old(list)=5, \old(list)=7, list={7:5}] [L878] FCALL static struct L0 *list; VAL [\old(list)=7, \old(list)=5, list={8:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 16 procedures, 182 locations, 15 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred 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, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 856]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: l1_destroyErr0EnsuresViolation CFG has 16 procedures, 182 locations, 15 error locations. SAFE Result, 5.1s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 198 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 239 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9989451476793249 AbsIntWeakeningRatio, 1.2573839662447257 AbsIntAvgWeakeningVarsNumRemoved, 0.1518987341772152 AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 1). Cancelled while BasicCegarLoop was constructing difference of abstraction (167states) and interpolant automaton (currently 6 states, 6 states before enhancement), while ReachableStatesComputation was computing reachable states (4 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 16 procedures, 182 locations, 15 error locations. TIMEOUT Result, 4.7s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 4.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 198 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 252 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.999 AbsIntWeakeningRatio, 1.236 AbsIntAvgWeakeningVarsNumRemoved, 0.144 AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - TimeoutResultAtElement [Line: 846]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 846). Cancelled while IsEmpty was searching accepting run (input had 182 states). - StatisticsResult: Ultimate Automizer benchmark data for error location: l2_destroyErr0EnsuresViolation CFG has 16 procedures, 182 locations, 15 error locations. TIMEOUT Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred 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, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, REUSE_STATISTICS: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-0-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-0-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-1-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-1-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-2-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-2-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-3-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-3-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-4-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-4-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-5-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-5-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-6-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-6-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-7-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-7-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-8-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-8-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-9-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-9-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-10-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-10-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-20_23-33-20-769.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0236_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-14-2018-01-20_23-33-20-769.csv Completed graceful shutdown