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_smtcomp.epf -i ../../../trunk/examples/svcomp/memsafety/test-0236_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 10:14:40,817 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 10:14:40,819 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 10:14:40,831 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 10:14:40,831 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 10:14:40,832 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 10:14:40,833 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 10:14:40,835 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 10:14:40,837 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 10:14:40,838 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 10:14:40,838 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 10:14:40,838 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 10:14:40,839 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 10:14:40,840 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 10:14:40,841 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 10:14:40,844 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 10:14:40,846 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 10:14:40,848 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 10:14:40,849 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 10:14:40,851 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 10:14:40,853 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 10:14:40,858 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 10:14:40,859 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 10:14:40,859 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_smtcomp.epf [2018-01-21 10:14:40,869 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 10:14:40,870 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 10:14:40,870 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 10:14:40,871 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 10:14:40,871 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 10:14:40,871 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 10:14:40,871 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-21 10:14:40,871 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 10:14:40,872 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 10:14:40,872 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 10:14:40,873 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 10:14:40,873 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 10:14:40,873 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 10:14:40,873 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 10:14:40,873 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 10:14:40,874 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 10:14:40,874 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 10:14:40,874 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 10:14:40,874 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 10:14:40,874 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 10:14:40,874 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 10:14:40,875 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 10:14:40,875 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 10:14:40,875 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 10:14:40,875 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 10:14:40,876 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 10:14:40,876 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 10:14:40,876 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 10:14:40,876 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 10:14:40,876 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 10:14:40,877 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 10:14:40,877 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 10:14:40,877 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 10:14:40,877 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 10:14:40,877 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 10:14:40,878 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 10:14:40,878 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 10:14:40,879 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 10:14:40,879 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 10:14:40,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 10:14:40,926 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 10:14:40,930 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 10:14:40,932 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 10:14:40,933 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 10:14:40,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0236_true-valid-memsafety.i [2018-01-21 10:14:41,153 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 10:14:41,157 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 10:14:41,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 10:14:41,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 10:14:41,163 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 10:14:41,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 10:14:41" (1/1) ... [2018-01-21 10:14:41,166 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 21.01 10:14:41, skipping insertion in model container [2018-01-21 10:14:41,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 10:14:41" (1/1) ... [2018-01-21 10:14:41,179 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 10:14:41,222 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 10:14:41,348 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 10:14:41,375 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 10:14:41,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:14:41 WrapperNode [2018-01-21 10:14:41,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 10:14:41,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 10:14:41,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 10:14:41,389 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 10:14:41,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:14:41" (1/1) ... [2018-01-21 10:14:41,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:14:41" (1/1) ... [2018-01-21 10:14:41,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:14:41" (1/1) ... [2018-01-21 10:14:41,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:14:41" (1/1) ... [2018-01-21 10:14:41,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:14:41" (1/1) ... [2018-01-21 10:14:41,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:14:41" (1/1) ... [2018-01-21 10:14:41,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:14:41" (1/1) ... [2018-01-21 10:14:41,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 10:14:41,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 10:14:41,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 10:14:41,438 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 10:14:41,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:14:41" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 10:14:41,483 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 10:14:41,483 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 10:14:41,484 INFO L136 BoogieDeclarations]: Found implementation of procedure calloc_model [2018-01-21 10:14:41,484 INFO L136 BoogieDeclarations]: Found implementation of procedure zalloc_or_die [2018-01-21 10:14:41,484 INFO L136 BoogieDeclarations]: Found implementation of procedure l4_insert [2018-01-21 10:14:41,484 INFO L136 BoogieDeclarations]: Found implementation of procedure l3_insert [2018-01-21 10:14:41,484 INFO L136 BoogieDeclarations]: Found implementation of procedure l2_insert [2018-01-21 10:14:41,484 INFO L136 BoogieDeclarations]: Found implementation of procedure l1_insert [2018-01-21 10:14:41,484 INFO L136 BoogieDeclarations]: Found implementation of procedure l0_insert [2018-01-21 10:14:41,484 INFO L136 BoogieDeclarations]: Found implementation of procedure l4_destroy [2018-01-21 10:14:41,484 INFO L136 BoogieDeclarations]: Found implementation of procedure l3_destroy [2018-01-21 10:14:41,484 INFO L136 BoogieDeclarations]: Found implementation of procedure l2_destroy [2018-01-21 10:14:41,485 INFO L136 BoogieDeclarations]: Found implementation of procedure l1_destroy [2018-01-21 10:14:41,485 INFO L136 BoogieDeclarations]: Found implementation of procedure l0_destroy [2018-01-21 10:14:41,485 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 10:14:41,485 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 10:14:41,485 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 10:14:41,485 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 10:14:41,485 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 10:14:41,485 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 10:14:41,485 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-01-21 10:14:41,486 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-01-21 10:14:41,486 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 10:14:41,486 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 10:14:41,486 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-01-21 10:14:41,486 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-01-21 10:14:41,486 INFO L128 BoogieDeclarations]: Found specification of procedure calloc_model [2018-01-21 10:14:41,486 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 10:14:41,486 INFO L128 BoogieDeclarations]: Found specification of procedure zalloc_or_die [2018-01-21 10:14:41,486 INFO L128 BoogieDeclarations]: Found specification of procedure l4_insert [2018-01-21 10:14:41,486 INFO L128 BoogieDeclarations]: Found specification of procedure l3_insert [2018-01-21 10:14:41,486 INFO L128 BoogieDeclarations]: Found specification of procedure l2_insert [2018-01-21 10:14:41,487 INFO L128 BoogieDeclarations]: Found specification of procedure l1_insert [2018-01-21 10:14:41,487 INFO L128 BoogieDeclarations]: Found specification of procedure l0_insert [2018-01-21 10:14:41,487 INFO L128 BoogieDeclarations]: Found specification of procedure l4_destroy [2018-01-21 10:14:41,487 INFO L128 BoogieDeclarations]: Found specification of procedure l3_destroy [2018-01-21 10:14:41,487 INFO L128 BoogieDeclarations]: Found specification of procedure l2_destroy [2018-01-21 10:14:41,487 INFO L128 BoogieDeclarations]: Found specification of procedure l1_destroy [2018-01-21 10:14:41,487 INFO L128 BoogieDeclarations]: Found specification of procedure l0_destroy [2018-01-21 10:14:41,487 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 10:14:41,487 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 10:14:41,487 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 10:14:41,987 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 10:14:41,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 10:14:41 BoogieIcfgContainer [2018-01-21 10:14:41,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 10:14:41,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 10:14:41,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 10:14:41,992 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 10:14:41,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 10:14:41" (1/3) ... [2018-01-21 10:14:41,994 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 21.01 10:14:41, skipping insertion in model container [2018-01-21 10:14:41,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:14:41" (2/3) ... [2018-01-21 10:14:41,995 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 21.01 10:14:41, skipping insertion in model container [2018-01-21 10:14:41,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 10:14:41" (3/3) ... [2018-01-21 10:14:41,997 INFO L105 eAbstractionObserver]: Analyzing ICFG test-0236_true-valid-memsafety.i [2018-01-21 10:14:42,008 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 10:14:42,018 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-01-21 10:14:42,077 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:14:42,078 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:14:42,078 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:14:42,078 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:14:42,078 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:14:42,078 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:14:42,078 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:14:42,079 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l3_destroyErr0EnsuresViolation======== [2018-01-21 10:14:42,080 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:14:42,106 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-21 10:14:42,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-21 10:14:42,116 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:14:42,117 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] [2018-01-21 10:14:42,117 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l3_destroyErr0EnsuresViolation]=== [2018-01-21 10:14:42,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1954496071, now seen corresponding path program 1 times [2018-01-21 10:14:42,126 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:14:42,177 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:14:42,177 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:14:42,178 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:14:42,178 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:14:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:14:42,234 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:14:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:14:42,284 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:14:42,284 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:14:42,285 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:14:42,289 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 10:14:42,306 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 10:14:42,307 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:14:42,310 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2018-01-21 10:14:42,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:14:42,454 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-01-21 10:14:42,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 10:14:42,456 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-01-21 10:14:42,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:14:42,469 INFO L225 Difference]: With dead ends: 356 [2018-01-21 10:14:42,470 INFO L226 Difference]: Without dead ends: 161 [2018-01-21 10:14:42,476 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 [2018-01-21 10:14:42,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-01-21 10:14:42,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-01-21 10:14:42,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-01-21 10:14:42,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 176 transitions. [2018-01-21 10:14:42,523 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 176 transitions. Word has length 25 [2018-01-21 10:14:42,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:14:42,523 INFO L432 AbstractCegarLoop]: Abstraction has 161 states and 176 transitions. [2018-01-21 10:14:42,523 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 10:14:42,524 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 176 transitions. [2018-01-21 10:14:42,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-01-21 10:14:42,529 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:14:42,530 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] [2018-01-21 10:14:42,530 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l3_destroyErr0EnsuresViolation]=== [2018-01-21 10:14:42,530 INFO L82 PathProgramCache]: Analyzing trace with hash -935573337, now seen corresponding path program 1 times [2018-01-21 10:14:42,530 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:14:42,531 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:14:42,531 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:14:42,531 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:14:42,531 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:14:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:14:42,583 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:14:42,761 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-21 10:14:42,762 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:14:42,762 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:14:42,763 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 223 with the following transitions: [2018-01-21 10:14:42,766 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] [2018-01-21 10:14:42,817 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 10:14:42,817 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 10:14:43,717 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 10:14:43,719 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-21 10:14:43,726 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 10:14:44,336 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-21 10:14:44,336 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 10:14:44,426 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 10:14:44,427 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:14:44,427 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:14:44,428 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:14:44,430 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:14:44,430 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:14:44,430 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:14:44,431 INFO L87 Difference]: Start difference. First operand 161 states and 176 transitions. Second operand 6 states. [2018-01-21 10:14:48,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:14:48,539 INFO L93 Difference]: Finished difference Result 161 states and 176 transitions. [2018-01-21 10:14:48,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-21 10:14:48,574 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 222 [2018-01-21 10:14:48,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:14:48,574 INFO L225 Difference]: With dead ends: 161 [2018-01-21 10:14:48,574 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:14:48,576 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 221 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:14:48,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:14:48,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:14:48,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:14:48,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:14:48,577 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2018-01-21 10:14:48,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:14:48,577 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:14:48,577 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:14:48,578 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:14:48,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:14:48,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:14:48,675 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:14:48,675 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:14:48,676 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-21 10:14:48,676 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-21 10:14:48,676 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-21 10:14:48,676 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-21 10:14:48,676 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-21 10:14:48,676 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:14:48,677 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-21 10:14:48,677 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-21 10:14:48,677 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-21 10:14:48,677 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:14:48,677 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-21 10:14:48,677 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:14:48,678 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-21 10:14:48,678 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-21 10:14:48,678 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:14:48,678 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-21 10:14:48,678 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-21 10:14:48,678 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-21 10:14:48,678 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-21 10:14:48,678 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:14:48,679 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-21 10:14:48,679 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-21 10:14:48,679 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-21 10:14:48,679 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:14:48,679 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:14:48,679 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-21 10:14:48,679 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:14:48,679 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:14:48,680 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:14:48,680 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:14:48,680 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:14:48,680 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-21 10:14:48,680 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-21 10:14:48,680 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:14:48,680 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-21 10:14:48,680 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-21 10:14:48,681 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-21 10:14:48,681 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-21 10:14:48,681 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:14:48,681 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-21 10:14:48,681 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:14:48,681 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-21 10:14:48,681 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-21 10:14:48,681 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:14:48,681 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:14:48,682 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-21 10:14:48,682 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-21 10:14:48,682 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:14:48,682 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-21 10:14:48,682 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-21 10:14:48,682 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-21 10:14:48,682 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-21 10:14:48,682 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-21 10:14:48,683 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-21 10:14:48,683 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-21 10:14:48,683 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:14:48,683 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-21 10:14:48,683 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:14:48,683 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-21 10:14:48,683 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-21 10:14:48,683 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-21 10:14:48,684 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:14:48,684 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-21 10:14:48,684 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:14:48,684 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:14:48,684 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-21 10:14:48,684 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:14:48,684 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:14:48,684 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-21 10:14:48,684 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-21 10:14:48,685 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-21 10:14:48,685 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-21 10:14:48,685 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-21 10:14:48,685 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-21 10:14:48,685 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-21 10:14:48,685 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:14:48,685 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-21 10:14:48,685 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-21 10:14:48,686 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:14:48,686 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:14:48,686 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:14:48,686 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:14:48,686 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-21 10:14:48,686 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:14:48,686 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-21 10:14:48,686 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-21 10:14:48,687 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-21 10:14:48,687 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-21 10:14:48,687 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-21 10:14:48,687 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-21 10:14:48,687 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-21 10:14:48,687 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:14:48,687 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-21 10:14:48,687 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:14:48,688 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:14:48,688 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-21 10:14:48,688 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-21 10:14:48,688 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:14:48,688 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:14:48,688 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:14:48,688 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-21 10:14:48,688 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-21 10:14:48,688 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-21 10:14:48,689 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-21 10:14:48,689 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-21 10:14:48,689 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:14:48,689 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:14:48,689 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-21 10:14:48,689 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-21 10:14:48,689 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-21 10:14:48,690 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-21 10:14:48,690 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:14:48,690 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-21 10:14:48,690 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-21 10:14:48,690 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-21 10:14:48,690 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:14:48,690 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:14:48,691 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-21 10:14:48,691 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-21 10:14:48,691 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-21 10:14:48,691 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-21 10:14:48,691 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:14:48,691 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-21 10:14:48,691 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-21 10:14:48,691 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:14:48,691 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-21 10:14:48,692 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-21 10:14:48,692 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-21 10:14:48,692 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-21 10:14:48,692 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-21 10:14:48,692 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:14:48,692 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-21 10:14:48,692 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-21 10:14:48,692 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-21 10:14:48,693 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-21 10:14:48,693 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-21 10:14:48,693 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:14:48,693 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-21 10:14:48,693 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-21 10:14:48,693 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:14:48,693 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-21 10:14:48,693 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-21 10:14:48,694 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:14:48,694 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:48,694 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-21 10:14:48,694 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:48,694 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:14:48,694 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-21 10:14:48,694 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:48,694 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-21 10:14:48,694 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-21 10:14:48,695 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-21 10:14:48,695 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-21 10:14:48,695 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:14:48,695 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-21 10:14:48,695 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-21 10:14:48,695 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-21 10:14:48,695 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:14:48,695 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-21 10:14:48,696 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:14:48,696 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-21 10:14:48,696 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:14:48,696 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-21 10:14:48,696 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:48,696 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-21 10:14:48,696 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:48,696 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:48,696 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-21 10:14:48,697 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:14:48,697 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-21 10:14:48,697 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:14:48,697 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-21 10:14:48,697 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-21 10:14:48,697 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-21 10:14:48,697 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-21 10:14:48,697 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:14:48,697 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-21 10:14:48,697 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-21 10:14:48,698 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:14:48,698 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-21 10:14:48,700 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:14:48,700 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:14:48,700 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:14:48,700 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:14:48,701 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:14:48,701 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:14:48,701 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:14:48,701 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l0_insertErr0EnsuresViolation======== [2018-01-21 10:14:48,701 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:14:48,703 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-21 10:14:48,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-21 10:14:48,705 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:14:48,706 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] [2018-01-21 10:14:48,706 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l0_insertErr0EnsuresViolation]=== [2018-01-21 10:14:48,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1533472053, now seen corresponding path program 1 times [2018-01-21 10:14:48,706 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:14:48,707 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:14:48,707 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:14:48,707 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:14:48,707 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:14:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:14:48,719 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:14:48,744 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-21 10:14:48,744 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:14:48,744 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:14:48,744 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2018-01-21 10:14:48,745 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-21 10:14:48,745 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:14:48,745 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 [2018-01-21 10:14:48,759 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:14:48,759 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-21 10:14:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:14:48,822 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-21 10:14:48,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:14:48,832 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-21 10:14:48,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:14:48,917 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:14:48,917 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-01-21 10:14:48,917 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:14:48,917 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 10:14:48,918 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 10:14:48,918 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:14:48,918 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2018-01-21 10:14:48,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:14:48,935 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-01-21 10:14:48,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 10:14:48,935 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 36 [2018-01-21 10:14:48,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:14:48,936 INFO L225 Difference]: With dead ends: 356 [2018-01-21 10:14:48,936 INFO L226 Difference]: Without dead ends: 101 [2018-01-21 10:14:48,938 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 [2018-01-21 10:14:48,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-01-21 10:14:48,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-01-21 10:14:48,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-01-21 10:14:48,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 111 transitions. [2018-01-21 10:14:48,948 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 111 transitions. Word has length 36 [2018-01-21 10:14:48,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:14:48,950 INFO L432 AbstractCegarLoop]: Abstraction has 101 states and 111 transitions. [2018-01-21 10:14:48,951 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 10:14:48,951 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 111 transitions. [2018-01-21 10:14:48,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-01-21 10:14:48,954 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:14:48,954 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] [2018-01-21 10:14:48,954 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l0_insertErr0EnsuresViolation]=== [2018-01-21 10:14:48,955 INFO L82 PathProgramCache]: Analyzing trace with hash -14692643, now seen corresponding path program 1 times [2018-01-21 10:14:48,955 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:14:48,956 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:14:48,956 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:14:48,956 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:14:48,956 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:14:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:14:48,978 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:14:49,065 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-21 10:14:49,065 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:14:49,065 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:14:49,065 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-01-21 10:14:49,066 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] [2018-01-21 10:14:49,069 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 10:14:49,069 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 10:14:49,772 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 10:14:49,773 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-21 10:14:49,793 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 10:14:50,440 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-21 10:14:50,440 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 10:14:50,473 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$.base| |c_~#list~23.base|) |c_~#list~23.offset|)) (.cse7 (select |c_old(#valid)| |c_~#list~23.base|))) (and (not (= |c_#length| |c_old(#valid)|)) (forall ((v_weq0_2 Int)) (let ((.cse6 (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|))) (let ((.cse0 (select .cse6 v_weq0_2))) (or (let ((.cse5 (select |c_#memory_$Pointer$.base| |c_~#list~23.base|))) (let ((.cse1 (select |c_old(#valid)| |c_~#list~23.base|)) (.cse2 (select .cse6 |c_~#list~23.offset|)) (.cse3 (select .cse5 |c_~#list~23.offset|)) (.cse4 (select |c_#valid| 0))) (and (= .cse0 .cse1) (= .cse1 .cse2) (= .cse2 v_weq0_2) (= .cse3 |c_~#list~23.offset|) (= .cse4 (select .cse5 v_weq0_2)) (= v_weq0_2 .cse3) (= |c_~#list~23.offset| .cse4) (not (= |c_~#list~23.base| 0)) (= 0 .cse0)))) (not (= v_weq0_2 0)) (= (select |c_old(#valid)| v_weq0_2) .cse0))))) (= .cse7 .cse8) (= .cse8 .cse9) (forall ((v_weq0_2 Int)) (or (not (= v_weq0_2 0)) (= (select |c_#valid| v_weq0_2) (select (select |c_#memory_$Pointer$.base| |c_~#list~23.base|) v_weq0_2)))) (= .cse9 |c_~#list~23.offset|) (= (select |c_#length| |c_~#list~23.base|) 4) (= 1 (select |c_#valid| |c_~#list~23.base|)) (forall ((v_weq0_2 Int)) (or (= (select (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|) v_weq0_2) (select |c_#valid| v_weq0_2)) (not (= v_weq0_2 0)))) (forall ((v_weq0_2 Int)) (let ((.cse21 (select |c_#memory_$Pointer$.base| |c_~#list~23.base|))) (let ((.cse19 (select |c_old(#valid)| |c_~#list~23.base|)) (.cse13 (select .cse21 |c_~#list~23.offset|)) (.cse16 (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|))) (let ((.cse11 (select |c_#valid| v_weq0_2)) (.cse10 (select |c_old(#valid)| v_weq0_2)) (.cse12 (select .cse16 |c_~#list~23.offset|)) (.cse15 (= .cse13 |c_~#list~23.offset|)) (.cse22 (= 0 .cse19)) (.cse18 (select |c_#valid| 0)) (.cse23 (not (= |c_~#list~23.base| 0)))) (or (= .cse10 .cse11) (let ((.cse17 (select |c_#memory_$Pointer$.offset| v_weq0_2))) (let ((.cse14 (select |c_#valid| |c_~#list~23.base|)) (.cse20 (select .cse17 |c_~#list~23.offset|))) (and (= 4 (select |c_#length| v_weq0_2)) (= v_weq0_2 |c_~#list~23.base|) (= .cse12 .cse13) (= .cse14 .cse11) .cse15 (= .cse16 .cse17) (= (select |c_#length| |c_~#list~23.base|) 4) (= 1 .cse14) (= |c_~#list~23.offset| .cse10) (= .cse10 .cse18) (= .cse19 .cse20) (= (select |c_#memory_$Pointer$.base| v_weq0_2) .cse21) .cse22 .cse23 (= .cse20 .cse12)))) (and (= .cse19 .cse12) (= .cse12 v_weq0_2) .cse15 .cse22 (= v_weq0_2 .cse13) (= |c_~#list~23.offset| .cse18) .cse23)))))) (forall ((v_weq0_2 Int)) (let ((.cse31 (select |c_#memory_$Pointer$.base| |c_~#list~23.base|))) (let ((.cse24 (select .cse31 v_weq0_2))) (or (= (select |c_old(#valid)| v_weq0_2) .cse24) (let ((.cse30 (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|))) (let ((.cse26 (select |c_old(#valid)| |c_~#list~23.base|)) (.cse27 (select .cse30 |c_~#list~23.offset|)) (.cse28 (select .cse31 |c_~#list~23.offset|)) (.cse29 (select |c_#valid| 0)) (.cse25 (select .cse30 v_weq0_2))) (and (= .cse25 .cse26) (= .cse26 .cse27) (= .cse27 v_weq0_2) (= .cse28 |c_~#list~23.offset|) (= .cse29 .cse24) (= v_weq0_2 .cse28) (= |c_~#list~23.offset| .cse29) (not (= |c_~#list~23.base| 0)) (= 0 .cse25)))) (not (= v_weq0_2 0)))))) (forall ((v_weq0_2 Int) (v_weq1_2 Int)) (or (not (= v_weq1_2 0)) (= (select (select |c_#memory_$Pointer$.base| v_weq0_2) v_weq1_2) (select (select |c_#memory_$Pointer$.offset| v_weq0_2) v_weq1_2)) (not (= v_weq0_2 |c_~#list~23.base|)))) (not (= 0 |c_~#list~23.base|)) (not (= |c_#valid| |c_#length|)) (= 0 .cse7) (forall ((v_weq0_2 Int)) (or (= (select (select |c_#memory_$Pointer$.offset| |c_~#list~23.base|) v_weq0_2) (select (select |c_#memory_$Pointer$.base| |c_~#list~23.base|) v_weq0_2)) (not (= v_weq0_2 0)))) (= |c_~#list~23.offset| (select |c_#valid| 0)) (not (= |c_#valid| |c_old(#valid)|)))) is different from false [2018-01-21 10:14:50,482 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 10:14:50,482 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:14:50,483 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:14:50,483 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:14:50,483 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:14:50,483 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:14:50,484 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-01-21 10:14:50,484 INFO L87 Difference]: Start difference. First operand 101 states and 111 transitions. Second operand 6 states. [2018-01-21 10:14:54,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:14:54,596 INFO L93 Difference]: Finished difference Result 101 states and 111 transitions. [2018-01-21 10:14:54,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-21 10:14:54,596 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 182 [2018-01-21 10:14:54,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:14:54,597 INFO L225 Difference]: With dead ends: 101 [2018-01-21 10:14:54,597 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:14:54,597 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 181 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-01-21 10:14:54,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:14:54,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:14:54,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:14:54,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:14:54,598 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 182 [2018-01-21 10:14:54,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:14:54,599 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:14:54,599 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:14:54,599 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:14:54,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:14:54,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:14:54,666 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:14:54,667 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:14:54,667 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-21 10:14:54,667 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-21 10:14:54,667 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-21 10:14:54,667 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-21 10:14:54,667 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-21 10:14:54,667 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:14:54,667 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-21 10:14:54,667 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-21 10:14:54,667 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-21 10:14:54,667 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:14:54,668 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-21 10:14:54,668 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:14:54,668 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-21 10:14:54,668 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-21 10:14:54,668 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:14:54,668 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-21 10:14:54,668 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-21 10:14:54,668 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-21 10:14:54,668 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-21 10:14:54,668 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:14:54,668 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-21 10:14:54,668 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-21 10:14:54,668 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-21 10:14:54,668 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:14:54,669 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:14:54,669 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-21 10:14:54,669 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:14:54,669 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:14:54,669 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:14:54,669 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:14:54,669 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:14:54,669 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-21 10:14:54,669 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-21 10:14:54,669 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:14:54,669 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-21 10:14:54,669 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-21 10:14:54,669 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-21 10:14:54,669 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-21 10:14:54,670 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:14:54,670 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-21 10:14:54,670 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:14:54,670 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-21 10:14:54,670 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-21 10:14:54,670 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:14:54,670 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:14:54,670 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-21 10:14:54,670 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-21 10:14:54,670 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:14:54,670 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-21 10:14:54,670 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-21 10:14:54,670 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-21 10:14:54,670 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-21 10:14:54,671 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-21 10:14:54,671 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-21 10:14:54,671 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-21 10:14:54,671 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:14:54,671 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-21 10:14:54,671 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:14:54,671 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-21 10:14:54,671 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-21 10:14:54,671 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-21 10:14:54,671 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:14:54,671 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-21 10:14:54,671 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:14:54,671 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:14:54,671 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-21 10:14:54,672 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:14:54,672 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:14:54,672 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-21 10:14:54,672 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-21 10:14:54,672 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-21 10:14:54,672 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-21 10:14:54,672 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-21 10:14:54,672 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-21 10:14:54,672 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-21 10:14:54,672 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:14:54,672 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-21 10:14:54,672 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-21 10:14:54,673 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:14:54,673 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:14:54,673 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:14:54,673 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:14:54,673 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-21 10:14:54,673 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:14:54,673 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-21 10:14:54,673 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-21 10:14:54,673 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-21 10:14:54,673 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-21 10:14:54,673 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-21 10:14:54,673 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-21 10:14:54,674 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-21 10:14:54,674 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:14:54,674 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-21 10:14:54,674 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:14:54,674 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:14:54,674 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-21 10:14:54,674 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-21 10:14:54,674 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:14:54,674 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:14:54,674 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:14:54,674 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-21 10:14:54,674 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-21 10:14:54,674 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-21 10:14:54,674 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-21 10:14:54,675 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-21 10:14:54,675 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:14:54,675 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:14:54,675 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-21 10:14:54,675 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-21 10:14:54,675 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-21 10:14:54,675 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-21 10:14:54,675 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:14:54,675 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-21 10:14:54,675 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-21 10:14:54,675 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-21 10:14:54,675 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:14:54,675 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:14:54,676 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-21 10:14:54,676 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-21 10:14:54,676 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-21 10:14:54,676 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-21 10:14:54,676 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:14:54,676 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-21 10:14:54,676 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-21 10:14:54,676 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:14:54,676 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-21 10:14:54,676 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-21 10:14:54,676 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-21 10:14:54,676 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-21 10:14:54,676 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-21 10:14:54,676 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:14:54,677 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-21 10:14:54,677 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-21 10:14:54,677 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-21 10:14:54,677 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-21 10:14:54,677 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-21 10:14:54,677 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:14:54,677 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-21 10:14:54,677 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-21 10:14:54,677 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:14:54,677 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-21 10:14:54,677 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-21 10:14:54,677 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:14:54,677 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:54,678 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-21 10:14:54,678 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:54,678 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:14:54,678 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-21 10:14:54,678 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:54,678 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-21 10:14:54,678 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-21 10:14:54,678 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-21 10:14:54,678 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-21 10:14:54,678 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:14:54,678 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-21 10:14:54,678 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-21 10:14:54,678 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-21 10:14:54,678 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:14:54,679 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-21 10:14:54,679 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:14:54,679 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-21 10:14:54,679 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:14:54,679 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-21 10:14:54,679 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:54,679 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-21 10:14:54,679 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:54,679 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:54,679 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-21 10:14:54,679 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:14:54,679 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-21 10:14:54,679 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:14:54,679 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-21 10:14:54,680 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-21 10:14:54,680 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-21 10:14:54,680 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-21 10:14:54,680 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:14:54,680 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-21 10:14:54,680 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-21 10:14:54,680 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:14:54,680 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-21 10:14:54,682 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:14:54,682 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:14:54,682 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:14:54,682 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:14:54,682 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:14:54,682 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:14:54,682 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:14:54,682 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l4_destroyErr0EnsuresViolation======== [2018-01-21 10:14:54,683 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:14:54,684 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-21 10:14:54,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-21 10:14:54,684 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:14:54,685 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] [2018-01-21 10:14:54,685 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l4_destroyErr0EnsuresViolation]=== [2018-01-21 10:14:54,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1533017334, now seen corresponding path program 1 times [2018-01-21 10:14:54,685 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:14:54,686 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:14:54,686 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:14:54,686 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:14:54,686 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:14:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:14:54,693 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:14:54,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:14:54,704 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:14:54,704 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:14:54,704 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:14:54,704 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 10:14:54,705 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 10:14:54,705 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:14:54,705 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2018-01-21 10:14:54,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:14:54,719 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-01-21 10:14:54,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 10:14:54,719 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2018-01-21 10:14:54,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:14:54,721 INFO L225 Difference]: With dead ends: 356 [2018-01-21 10:14:54,721 INFO L226 Difference]: Without dead ends: 161 [2018-01-21 10:14:54,722 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 [2018-01-21 10:14:54,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-01-21 10:14:54,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-01-21 10:14:54,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-01-21 10:14:54,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 176 transitions. [2018-01-21 10:14:54,733 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 176 transitions. Word has length 29 [2018-01-21 10:14:54,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:14:54,734 INFO L432 AbstractCegarLoop]: Abstraction has 161 states and 176 transitions. [2018-01-21 10:14:54,734 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 10:14:54,734 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 176 transitions. [2018-01-21 10:14:54,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-01-21 10:14:54,737 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:14:54,738 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] [2018-01-21 10:14:54,738 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l4_destroyErr0EnsuresViolation]=== [2018-01-21 10:14:54,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1167742484, now seen corresponding path program 1 times [2018-01-21 10:14:54,738 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:14:54,739 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:14:54,739 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:14:54,739 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:14:54,739 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:14:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:14:54,759 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:14:54,835 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-21 10:14:54,836 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:14:54,836 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:14:54,836 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-01-21 10:14:54,836 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] [2018-01-21 10:14:54,840 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 10:14:54,841 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 10:14:55,288 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 10:14:55,288 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-21 10:14:55,309 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 10:14:55,655 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-21 10:14:55,655 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 10:14:55,723 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 10:14:55,724 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:14:55,724 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:14:55,724 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:14:55,724 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:14:55,724 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:14:55,724 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=19, Unknown=1, NotChecked=0, Total=30 [2018-01-21 10:14:55,725 INFO L87 Difference]: Start difference. First operand 161 states and 176 transitions. Second operand 6 states. [2018-01-21 10:14:59,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:14:59,821 INFO L93 Difference]: Finished difference Result 161 states and 176 transitions. [2018-01-21 10:14:59,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-21 10:14:59,822 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 214 [2018-01-21 10:14:59,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:14:59,822 INFO L225 Difference]: With dead ends: 161 [2018-01-21 10:14:59,822 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:14:59,822 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 213 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=19, Unknown=1, NotChecked=0, Total=30 [2018-01-21 10:14:59,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:14:59,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:14:59,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:14:59,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:14:59,823 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 214 [2018-01-21 10:14:59,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:14:59,823 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:14:59,823 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:14:59,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:14:59,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:14:59,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:14:59,901 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:14:59,901 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:14:59,901 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-21 10:14:59,901 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-21 10:14:59,901 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-21 10:14:59,901 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-21 10:14:59,902 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-21 10:14:59,902 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:14:59,902 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-21 10:14:59,902 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-21 10:14:59,902 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-21 10:14:59,902 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:14:59,902 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-21 10:14:59,902 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:14:59,902 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-21 10:14:59,902 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-21 10:14:59,903 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:14:59,903 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-21 10:14:59,903 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-21 10:14:59,903 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-21 10:14:59,903 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-21 10:14:59,903 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:14:59,903 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-21 10:14:59,903 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-21 10:14:59,903 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-21 10:14:59,903 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:14:59,903 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:14:59,904 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-21 10:14:59,904 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:14:59,904 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:14:59,904 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:14:59,904 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:14:59,904 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:14:59,904 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-21 10:14:59,904 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-21 10:14:59,904 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:14:59,904 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-21 10:14:59,905 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-21 10:14:59,905 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-21 10:14:59,905 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-21 10:14:59,905 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:14:59,905 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-21 10:14:59,905 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:14:59,905 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-21 10:14:59,905 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-21 10:14:59,905 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:14:59,905 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:14:59,905 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-21 10:14:59,906 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-21 10:14:59,906 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:14:59,906 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-21 10:14:59,906 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-21 10:14:59,906 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-21 10:14:59,906 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-21 10:14:59,906 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-21 10:14:59,906 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-21 10:14:59,906 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-21 10:14:59,906 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:14:59,906 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-21 10:14:59,907 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:14:59,907 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-21 10:14:59,907 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-21 10:14:59,907 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-21 10:14:59,907 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:14:59,907 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-21 10:14:59,907 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:14:59,907 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:14:59,907 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-21 10:14:59,907 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:14:59,908 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:14:59,908 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-21 10:14:59,908 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-21 10:14:59,908 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-21 10:14:59,908 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-21 10:14:59,908 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-21 10:14:59,908 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-21 10:14:59,908 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-21 10:14:59,908 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:14:59,908 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-21 10:14:59,909 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-21 10:14:59,909 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:14:59,909 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:14:59,909 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:14:59,909 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:14:59,909 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-21 10:14:59,909 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:14:59,909 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-21 10:14:59,909 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-21 10:14:59,909 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-21 10:14:59,909 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-21 10:14:59,910 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-21 10:14:59,910 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-21 10:14:59,910 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-21 10:14:59,910 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:14:59,910 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-21 10:14:59,910 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:14:59,910 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:14:59,910 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-21 10:14:59,910 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-21 10:14:59,910 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:14:59,910 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:14:59,911 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:14:59,911 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-21 10:14:59,911 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-21 10:14:59,911 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-21 10:14:59,911 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-21 10:14:59,911 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-21 10:14:59,911 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:14:59,911 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:14:59,911 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-21 10:14:59,911 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-21 10:14:59,912 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-21 10:14:59,912 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-21 10:14:59,912 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:14:59,912 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-21 10:14:59,912 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-21 10:14:59,912 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-21 10:14:59,912 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:14:59,912 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:14:59,912 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-21 10:14:59,912 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-21 10:14:59,912 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-21 10:14:59,913 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-21 10:14:59,913 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:14:59,913 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-21 10:14:59,913 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-21 10:14:59,913 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:14:59,913 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-21 10:14:59,913 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-21 10:14:59,913 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-21 10:14:59,913 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-21 10:14:59,913 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-21 10:14:59,914 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:14:59,914 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-21 10:14:59,914 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-21 10:14:59,914 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-21 10:14:59,914 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-21 10:14:59,914 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-21 10:14:59,914 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:14:59,914 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-21 10:14:59,914 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-21 10:14:59,914 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:14:59,914 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-21 10:14:59,915 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-21 10:14:59,915 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:14:59,915 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:59,915 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-21 10:14:59,915 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:59,915 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:14:59,915 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-21 10:14:59,915 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:59,915 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-21 10:14:59,915 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-21 10:14:59,916 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-21 10:14:59,916 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-21 10:14:59,916 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:14:59,916 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-21 10:14:59,916 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-21 10:14:59,916 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-21 10:14:59,916 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:14:59,916 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-21 10:14:59,916 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:14:59,916 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-21 10:14:59,917 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:14:59,917 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-21 10:14:59,917 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:59,917 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-21 10:14:59,917 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:59,917 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:14:59,917 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-21 10:14:59,917 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:14:59,917 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-21 10:14:59,917 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:14:59,917 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-21 10:14:59,918 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-21 10:14:59,918 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-21 10:14:59,918 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-21 10:14:59,918 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:14:59,918 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-21 10:14:59,918 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-21 10:14:59,918 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:14:59,918 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-21 10:14:59,920 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:14:59,920 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:14:59,920 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:14:59,920 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:14:59,920 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:14:59,920 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:14:59,920 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:14:59,921 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l2_insertErr0EnsuresViolation======== [2018-01-21 10:14:59,921 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:14:59,922 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-21 10:14:59,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-01-21 10:14:59,924 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:14:59,924 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] [2018-01-21 10:14:59,924 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l2_insertErr0EnsuresViolation]=== [2018-01-21 10:14:59,925 INFO L82 PathProgramCache]: Analyzing trace with hash -2142167077, now seen corresponding path program 1 times [2018-01-21 10:14:59,925 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:14:59,925 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:14:59,925 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:14:59,926 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:14:59,926 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:14:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:14:59,936 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:14:59,961 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-21 10:14:59,962 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:14:59,962 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:14:59,962 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 81 with the following transitions: [2018-01-21 10:14:59,962 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] [2018-01-21 10:14:59,964 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 10:14:59,964 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 10:15:00,254 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 10:15:00,254 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-21 10:15:00,261 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 10:15:00,564 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-21 10:15:00,564 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 10:15:00,632 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 10:15:00,633 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:15:00,633 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:15:00,633 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:15:00,633 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:15:00,633 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:15:00,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=19, Unknown=1, NotChecked=0, Total=30 [2018-01-21 10:15:00,634 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 6 states. [2018-01-21 10:15:04,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:15:04,858 INFO L93 Difference]: Finished difference Result 182 states and 208 transitions. [2018-01-21 10:15:04,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-21 10:15:04,858 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-01-21 10:15:04,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:15:04,859 INFO L225 Difference]: With dead ends: 182 [2018-01-21 10:15:04,859 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:15:04,859 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=19, Unknown=1, NotChecked=0, Total=30 [2018-01-21 10:15:04,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:15:04,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:15:04,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:15:04,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:15:04,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 80 [2018-01-21 10:15:04,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:15:04,860 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:15:04,860 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:15:04,861 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:15:04,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:15:04,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:15:04,901 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:15:04,902 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:15:04,902 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-21 10:15:04,902 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-21 10:15:04,902 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-21 10:15:04,902 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-21 10:15:04,902 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-21 10:15:04,902 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:15:04,902 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-21 10:15:04,902 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-21 10:15:04,903 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-21 10:15:04,903 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:15:04,903 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-21 10:15:04,903 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:15:04,903 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-21 10:15:04,903 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-21 10:15:04,903 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:04,903 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-21 10:15:04,903 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-21 10:15:04,904 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-21 10:15:04,904 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-21 10:15:04,904 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:04,904 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-21 10:15:04,904 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-21 10:15:04,904 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-21 10:15:04,904 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:04,904 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:15:04,904 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-21 10:15:04,904 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:15:04,905 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:15:04,905 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:15:04,905 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:15:04,905 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:15:04,905 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-21 10:15:04,905 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-21 10:15:04,905 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:15:04,905 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-21 10:15:04,905 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-21 10:15:04,905 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-21 10:15:04,906 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-21 10:15:04,906 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:15:04,906 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-21 10:15:04,906 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:15:04,906 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-21 10:15:04,906 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-21 10:15:04,906 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:15:04,906 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:04,906 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-21 10:15:04,906 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-21 10:15:04,907 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:15:04,907 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-21 10:15:04,907 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-21 10:15:04,907 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-21 10:15:04,907 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-21 10:15:04,907 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-21 10:15:04,907 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-21 10:15:04,907 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-21 10:15:04,907 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:04,908 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-21 10:15:04,908 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:04,908 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-21 10:15:04,908 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-21 10:15:04,908 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-21 10:15:04,908 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:04,908 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-21 10:15:04,908 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:15:04,908 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:04,908 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-21 10:15:04,909 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:15:04,909 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:04,909 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-21 10:15:04,909 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-21 10:15:04,909 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-21 10:15:04,909 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-21 10:15:04,909 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-21 10:15:04,909 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-21 10:15:04,909 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-21 10:15:04,909 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:15:04,910 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-21 10:15:04,910 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-21 10:15:04,910 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:04,910 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:15:04,910 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:04,910 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:04,910 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-21 10:15:04,910 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:04,910 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-21 10:15:04,911 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-21 10:15:04,911 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-21 10:15:04,911 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-21 10:15:04,911 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-21 10:15:04,911 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-21 10:15:04,911 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-21 10:15:04,911 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:04,911 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-21 10:15:04,911 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:15:04,911 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:15:04,912 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-21 10:15:04,912 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-21 10:15:04,912 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:04,912 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:15:04,912 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:15:04,912 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-21 10:15:04,912 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-21 10:15:04,912 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-21 10:15:04,912 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-21 10:15:04,912 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-21 10:15:04,912 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:15:04,913 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:15:04,913 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-21 10:15:04,913 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-21 10:15:04,913 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-21 10:15:04,913 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-21 10:15:04,913 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:04,913 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-21 10:15:04,913 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-21 10:15:04,913 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-21 10:15:04,914 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:04,914 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:04,914 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-21 10:15:04,914 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-21 10:15:04,914 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-21 10:15:04,914 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-21 10:15:04,914 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:04,914 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-21 10:15:04,914 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-21 10:15:04,914 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:04,915 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-21 10:15:04,915 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-21 10:15:04,915 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-21 10:15:04,915 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-21 10:15:04,915 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-21 10:15:04,915 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:04,915 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-21 10:15:04,915 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-21 10:15:04,915 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-21 10:15:04,915 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-21 10:15:04,915 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-21 10:15:04,916 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:04,916 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-21 10:15:04,916 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-21 10:15:04,916 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:04,916 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-21 10:15:04,916 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-21 10:15:04,916 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:04,916 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:04,916 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-21 10:15:04,917 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:04,917 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:04,917 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-21 10:15:04,917 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:04,917 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-21 10:15:04,917 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-21 10:15:04,917 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-21 10:15:04,917 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-21 10:15:04,917 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:15:04,917 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-21 10:15:04,918 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-21 10:15:04,918 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-21 10:15:04,918 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:15:04,918 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-21 10:15:04,918 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:15:04,918 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-21 10:15:04,918 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:15:04,918 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-21 10:15:04,918 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:04,918 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-21 10:15:04,919 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:04,919 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:04,919 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-21 10:15:04,919 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:15:04,919 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-21 10:15:04,919 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:15:04,919 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-21 10:15:04,919 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-21 10:15:04,919 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-21 10:15:04,919 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-21 10:15:04,920 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:15:04,920 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-21 10:15:04,920 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-21 10:15:04,920 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:15:04,920 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-21 10:15:04,921 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:15:04,922 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:15:04,922 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:15:04,922 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:15:04,922 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:15:04,922 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:15:04,922 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:15:04,922 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 10:15:04,922 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:15:04,925 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-21 10:15:04,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-21 10:15:04,926 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:15:04,926 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:15:04,926 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-21 10:15:04,926 INFO L82 PathProgramCache]: Analyzing trace with hash -36580835, now seen corresponding path program 1 times [2018-01-21 10:15:04,927 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:15:04,927 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:04,928 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:15:04,928 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:04,928 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:15:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:15:04,933 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:15:04,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:15:04,941 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:15:04,941 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:15:04,941 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:15:04,941 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 10:15:04,942 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 10:15:04,942 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:15:04,942 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2018-01-21 10:15:04,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:15:04,954 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-01-21 10:15:04,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 10:15:04,954 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-01-21 10:15:04,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:15:04,956 INFO L225 Difference]: With dead ends: 356 [2018-01-21 10:15:04,956 INFO L226 Difference]: Without dead ends: 165 [2018-01-21 10:15:04,957 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 [2018-01-21 10:15:04,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-01-21 10:15:04,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-01-21 10:15:04,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-01-21 10:15:04,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 180 transitions. [2018-01-21 10:15:04,970 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 180 transitions. Word has length 16 [2018-01-21 10:15:04,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:15:04,970 INFO L432 AbstractCegarLoop]: Abstraction has 165 states and 180 transitions. [2018-01-21 10:15:04,970 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 10:15:04,970 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 180 transitions. [2018-01-21 10:15:04,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-01-21 10:15:04,974 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:15:04,974 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] [2018-01-21 10:15:04,974 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-21 10:15:04,974 INFO L82 PathProgramCache]: Analyzing trace with hash -716025663, now seen corresponding path program 1 times [2018-01-21 10:15:04,974 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:15:04,975 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:04,975 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:15:04,975 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:04,975 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:15:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:15:04,988 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:15:05,032 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-21 10:15:05,032 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:15:05,032 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:15:05,032 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 250 with the following transitions: [2018-01-21 10:15:05,033 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] [2018-01-21 10:15:05,037 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 10:15:05,037 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 10:15:05,323 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 10:15:05,324 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-21 10:15:05,330 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 10:15:05,658 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-21 10:15:05,659 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 10:15:05,727 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 [2018-01-21 10:15:05,736 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 10:15:05,737 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:15:05,737 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:15:05,737 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:15:05,738 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:15:05,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:15:05,738 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-01-21 10:15:05,738 INFO L87 Difference]: Start difference. First operand 165 states and 180 transitions. Second operand 6 states. [2018-01-21 10:15:09,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:15:09,850 INFO L93 Difference]: Finished difference Result 165 states and 180 transitions. [2018-01-21 10:15:09,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-21 10:15:09,850 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 249 [2018-01-21 10:15:09,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:15:09,850 INFO L225 Difference]: With dead ends: 165 [2018-01-21 10:15:09,850 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:15:09,850 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 [2018-01-21 10:15:09,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:15:09,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:15:09,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:15:09,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:15:09,851 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 249 [2018-01-21 10:15:09,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:15:09,851 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:15:09,851 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:15:09,851 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:15:09,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:15:09,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:15:09,905 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:15:09,905 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:15:09,906 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-21 10:15:09,906 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-21 10:15:09,906 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-21 10:15:09,906 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-21 10:15:09,906 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-21 10:15:09,906 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:15:09,906 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-21 10:15:09,906 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-21 10:15:09,906 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-21 10:15:09,906 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:15:09,907 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-21 10:15:09,907 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:15:09,907 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-21 10:15:09,907 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-21 10:15:09,907 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:09,907 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-21 10:15:09,907 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-21 10:15:09,907 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-21 10:15:09,907 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-21 10:15:09,907 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:09,908 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-21 10:15:09,908 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-21 10:15:09,908 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-21 10:15:09,908 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:09,908 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:15:09,908 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-21 10:15:09,908 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:15:09,908 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:15:09,908 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:15:09,908 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:15:09,908 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:15:09,909 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-21 10:15:09,909 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-21 10:15:09,909 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:15:09,909 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-21 10:15:09,909 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-21 10:15:09,909 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-21 10:15:09,909 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-21 10:15:09,909 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:15:09,909 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-21 10:15:09,909 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:15:09,910 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-21 10:15:09,910 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-21 10:15:09,910 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:15:09,910 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:09,910 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-21 10:15:09,910 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-21 10:15:09,910 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:15:09,910 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-21 10:15:09,910 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-21 10:15:09,910 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-21 10:15:09,910 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-21 10:15:09,911 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-21 10:15:09,911 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-21 10:15:09,911 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-21 10:15:09,911 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:09,911 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-21 10:15:09,911 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:09,911 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-21 10:15:09,911 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-21 10:15:09,911 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-21 10:15:09,911 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:09,912 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-21 10:15:09,912 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:15:09,912 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:09,912 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-21 10:15:09,912 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:15:09,912 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:09,912 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-21 10:15:09,912 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-21 10:15:09,912 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-21 10:15:09,912 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-21 10:15:09,912 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-21 10:15:09,913 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-21 10:15:09,913 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-21 10:15:09,913 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:15:09,913 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-21 10:15:09,913 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-21 10:15:09,913 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:09,913 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:15:09,913 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:09,913 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:09,913 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-21 10:15:09,913 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:09,914 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-21 10:15:09,914 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-21 10:15:09,914 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-21 10:15:09,914 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-21 10:15:09,914 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-21 10:15:09,914 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-21 10:15:09,914 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-21 10:15:09,914 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:09,914 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-21 10:15:09,914 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:15:09,915 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:15:09,915 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-21 10:15:09,915 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-21 10:15:09,915 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:09,915 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:15:09,915 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:15:09,915 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-21 10:15:09,915 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-21 10:15:09,915 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-21 10:15:09,915 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-21 10:15:09,915 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-21 10:15:09,916 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:15:09,916 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:15:09,916 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-21 10:15:09,916 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-21 10:15:09,916 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-21 10:15:09,916 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-21 10:15:09,916 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:09,916 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-21 10:15:09,916 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-21 10:15:09,916 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-21 10:15:09,916 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:09,916 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:09,916 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-21 10:15:09,916 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-21 10:15:09,916 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-21 10:15:09,916 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-21 10:15:09,917 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:09,917 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-21 10:15:09,917 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-21 10:15:09,917 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:09,917 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-21 10:15:09,917 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-21 10:15:09,917 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-21 10:15:09,917 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-21 10:15:09,917 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-21 10:15:09,917 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:09,917 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-21 10:15:09,917 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-21 10:15:09,917 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-21 10:15:09,917 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-21 10:15:09,918 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-21 10:15:09,918 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:09,918 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-21 10:15:09,918 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-21 10:15:09,918 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:09,918 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-21 10:15:09,918 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-21 10:15:09,918 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:09,918 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:09,918 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-21 10:15:09,919 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:09,919 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:09,919 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-21 10:15:09,919 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:09,919 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-21 10:15:09,919 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-21 10:15:09,919 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-21 10:15:09,919 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-21 10:15:09,919 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:15:09,919 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-21 10:15:09,919 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-21 10:15:09,920 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-21 10:15:09,920 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:15:09,920 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-21 10:15:09,920 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:15:09,920 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-21 10:15:09,920 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:15:09,920 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-21 10:15:09,920 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:09,920 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-21 10:15:09,920 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:09,920 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:09,920 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-21 10:15:09,920 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:15:09,920 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-21 10:15:09,920 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:15:09,920 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-21 10:15:09,921 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-21 10:15:09,921 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-21 10:15:09,921 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-21 10:15:09,921 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:15:09,921 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-21 10:15:09,921 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-21 10:15:09,921 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:15:09,921 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-21 10:15:09,922 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:15:09,922 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:15:09,922 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:15:09,922 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:15:09,922 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:15:09,922 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:15:09,922 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:15:09,922 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l3_insertErr0EnsuresViolation======== [2018-01-21 10:15:09,922 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:15:09,923 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-21 10:15:09,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-01-21 10:15:09,925 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:15:09,925 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] [2018-01-21 10:15:09,925 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l3_insertErr0EnsuresViolation]=== [2018-01-21 10:15:09,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1446737013, now seen corresponding path program 1 times [2018-01-21 10:15:09,925 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:15:09,926 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:09,926 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:15:09,926 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:09,927 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:15:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:15:09,937 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:15:09,962 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-21 10:15:09,962 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:15:09,963 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:15:09,963 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-01-21 10:15:09,963 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] [2018-01-21 10:15:09,965 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 10:15:09,965 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 10:15:10,243 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 10:15:10,244 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-21 10:15:10,245 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 10:15:10,523 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-21 10:15:10,524 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 10:15:10,568 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 10:15:10,568 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:15:10,568 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:15:10,568 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:15:10,569 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:15:10,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:15:10,569 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:15:10,569 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 6 states. [2018-01-21 10:15:14,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:15:14,797 INFO L93 Difference]: Finished difference Result 182 states and 208 transitions. [2018-01-21 10:15:14,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-21 10:15:14,797 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2018-01-21 10:15:14,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:15:14,797 INFO L225 Difference]: With dead ends: 182 [2018-01-21 10:15:14,797 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:15:14,798 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=20, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:15:14,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:15:14,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:15:14,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:15:14,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:15:14,798 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2018-01-21 10:15:14,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:15:14,799 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:15:14,799 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:15:14,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:15:14,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:15:14,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:15:14,833 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:15:14,833 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:15:14,833 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-21 10:15:14,833 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-21 10:15:14,833 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-21 10:15:14,833 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-21 10:15:14,833 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-21 10:15:14,834 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:15:14,834 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-21 10:15:14,834 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-21 10:15:14,834 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-21 10:15:14,834 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:15:14,834 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-21 10:15:14,834 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:15:14,834 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-21 10:15:14,834 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-21 10:15:14,834 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:14,834 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-21 10:15:14,834 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-21 10:15:14,834 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-21 10:15:14,834 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-21 10:15:14,834 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:14,834 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-21 10:15:14,834 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-21 10:15:14,835 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-21 10:15:14,835 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:14,835 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:15:14,835 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-21 10:15:14,835 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:15:14,835 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:15:14,835 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:15:14,835 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:15:14,835 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:15:14,835 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-21 10:15:14,835 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-21 10:15:14,835 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:15:14,835 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-21 10:15:14,835 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-21 10:15:14,835 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-21 10:15:14,835 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-21 10:15:14,835 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:15:14,836 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-21 10:15:14,836 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:15:14,836 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-21 10:15:14,836 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-21 10:15:14,836 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:15:14,836 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:14,836 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-21 10:15:14,836 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-21 10:15:14,836 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:15:14,836 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-21 10:15:14,836 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-21 10:15:14,836 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-21 10:15:14,836 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-21 10:15:14,836 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-21 10:15:14,836 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-21 10:15:14,836 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-21 10:15:14,836 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:14,837 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-21 10:15:14,837 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:14,837 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-21 10:15:14,837 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-21 10:15:14,837 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-21 10:15:14,837 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:14,837 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-21 10:15:14,837 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:15:14,837 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:14,837 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-21 10:15:14,837 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:15:14,837 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:14,837 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-21 10:15:14,837 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-21 10:15:14,837 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-21 10:15:14,837 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-21 10:15:14,837 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-21 10:15:14,838 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-21 10:15:14,838 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-21 10:15:14,838 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:15:14,838 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-21 10:15:14,838 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-21 10:15:14,838 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:14,838 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:15:14,838 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:14,838 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:14,838 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-21 10:15:14,838 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:14,838 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-21 10:15:14,838 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-21 10:15:14,838 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-21 10:15:14,838 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-21 10:15:14,838 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-21 10:15:14,839 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-21 10:15:14,839 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-21 10:15:14,839 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:14,839 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-21 10:15:14,839 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:15:14,839 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:15:14,839 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-21 10:15:14,839 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-21 10:15:14,839 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:14,839 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:15:14,839 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:15:14,839 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-21 10:15:14,839 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-21 10:15:14,839 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-21 10:15:14,839 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-21 10:15:14,839 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-21 10:15:14,839 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:15:14,840 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:15:14,840 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-21 10:15:14,840 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-21 10:15:14,840 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-21 10:15:14,840 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-21 10:15:14,840 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:14,840 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-21 10:15:14,840 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-21 10:15:14,840 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-21 10:15:14,840 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:14,840 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:14,840 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-21 10:15:14,840 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-21 10:15:14,840 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-21 10:15:14,840 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-21 10:15:14,840 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:14,840 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-21 10:15:14,841 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-21 10:15:14,841 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:14,841 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-21 10:15:14,841 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-21 10:15:14,841 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-21 10:15:14,841 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-21 10:15:14,841 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-21 10:15:14,841 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:14,841 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-21 10:15:14,841 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-21 10:15:14,841 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-21 10:15:14,841 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-21 10:15:14,841 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-21 10:15:14,841 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:14,841 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-21 10:15:14,841 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-21 10:15:14,841 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:14,842 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-21 10:15:14,842 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-21 10:15:14,842 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:14,842 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:14,842 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-21 10:15:14,842 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:14,842 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:14,842 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-21 10:15:14,842 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:14,842 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-21 10:15:14,842 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-21 10:15:14,842 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-21 10:15:14,842 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-21 10:15:14,842 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:15:14,842 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-21 10:15:14,842 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-21 10:15:14,843 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-21 10:15:14,843 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:15:14,843 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-21 10:15:14,850 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:15:14,850 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-21 10:15:14,850 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:15:14,850 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-21 10:15:14,851 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:14,851 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-21 10:15:14,851 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:14,851 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:14,851 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-21 10:15:14,851 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:15:14,851 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-21 10:15:14,851 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:15:14,851 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-21 10:15:14,851 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-21 10:15:14,851 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-21 10:15:14,851 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-21 10:15:14,851 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:15:14,851 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-21 10:15:14,851 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-21 10:15:14,851 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:15:14,851 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-21 10:15:14,852 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:15:14,853 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:15:14,853 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:15:14,853 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:15:14,853 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:15:14,853 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:15:14,853 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:15:14,853 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l1_insertErr0EnsuresViolation======== [2018-01-21 10:15:14,853 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:15:14,854 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-21 10:15:14,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-01-21 10:15:14,855 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:15:14,855 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] [2018-01-21 10:15:14,855 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l1_insertErr0EnsuresViolation]=== [2018-01-21 10:15:14,855 INFO L82 PathProgramCache]: Analyzing trace with hash -662148574, now seen corresponding path program 1 times [2018-01-21 10:15:14,855 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:15:14,856 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:14,856 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:15:14,856 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:14,856 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:15:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:15:14,861 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:15:14,878 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-21 10:15:14,878 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:15:14,878 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:15:14,878 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 59 with the following transitions: [2018-01-21 10:15:14,879 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] [2018-01-21 10:15:14,880 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 10:15:14,880 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 10:15:15,144 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 10:15:15,144 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-21 10:15:15,146 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 10:15:15,442 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-21 10:15:15,442 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 10:15:15,542 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 10:15:15,543 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:15:15,543 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:15:15,543 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:15:15,543 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:15:15,543 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:15:15,543 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:15:15,543 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 6 states. [2018-01-21 10:15:19,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:15:19,725 INFO L93 Difference]: Finished difference Result 182 states and 208 transitions. [2018-01-21 10:15:19,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-21 10:15:19,725 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-01-21 10:15:19,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:15:19,725 INFO L225 Difference]: With dead ends: 182 [2018-01-21 10:15:19,725 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:15:19,725 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 [2018-01-21 10:15:19,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:15:19,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:15:19,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:15:19,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:15:19,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-01-21 10:15:19,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:15:19,726 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:15:19,726 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:15:19,726 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:15:19,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:15:19,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:15:19,756 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:15:19,756 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:15:19,756 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-21 10:15:19,756 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-21 10:15:19,756 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-21 10:15:19,756 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-21 10:15:19,756 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-21 10:15:19,756 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:15:19,756 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-21 10:15:19,756 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-21 10:15:19,756 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-21 10:15:19,756 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:15:19,756 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-21 10:15:19,756 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:15:19,756 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-21 10:15:19,757 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-21 10:15:19,757 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:19,757 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-21 10:15:19,757 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-21 10:15:19,757 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-21 10:15:19,757 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-21 10:15:19,757 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:19,757 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-21 10:15:19,757 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-21 10:15:19,757 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-21 10:15:19,757 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:19,757 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:15:19,757 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-21 10:15:19,757 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:15:19,757 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:15:19,757 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:15:19,757 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:15:19,758 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:15:19,758 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-21 10:15:19,758 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-21 10:15:19,758 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:15:19,758 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-21 10:15:19,758 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-21 10:15:19,758 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-21 10:15:19,758 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-21 10:15:19,758 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:15:19,758 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-21 10:15:19,758 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:15:19,758 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-21 10:15:19,758 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-21 10:15:19,758 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:15:19,758 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:19,758 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-21 10:15:19,758 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-21 10:15:19,759 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:15:19,759 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-21 10:15:19,759 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-21 10:15:19,759 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-21 10:15:19,759 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-21 10:15:19,759 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-21 10:15:19,759 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-21 10:15:19,759 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-21 10:15:19,759 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:19,759 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-21 10:15:19,759 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:19,759 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-21 10:15:19,759 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-21 10:15:19,759 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-21 10:15:19,759 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:19,760 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-21 10:15:19,760 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:15:19,760 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:19,760 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-21 10:15:19,760 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:15:19,760 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:19,760 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-21 10:15:19,760 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-21 10:15:19,760 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-21 10:15:19,760 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-21 10:15:19,760 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-21 10:15:19,761 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-21 10:15:19,761 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-21 10:15:19,761 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:15:19,761 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-21 10:15:19,761 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-21 10:15:19,761 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:19,761 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:15:19,761 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:19,761 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:19,761 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-21 10:15:19,762 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:19,762 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-21 10:15:19,762 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-21 10:15:19,762 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-21 10:15:19,762 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-21 10:15:19,762 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-21 10:15:19,762 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-21 10:15:19,762 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-21 10:15:19,762 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:19,762 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-21 10:15:19,762 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:15:19,763 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:15:19,763 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-21 10:15:19,763 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-21 10:15:19,763 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:19,763 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:15:19,763 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:15:19,763 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-21 10:15:19,763 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-21 10:15:19,763 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-21 10:15:19,763 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-21 10:15:19,764 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-21 10:15:19,764 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:15:19,764 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:15:19,764 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-21 10:15:19,764 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-21 10:15:19,764 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-21 10:15:19,764 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-21 10:15:19,764 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:19,764 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-21 10:15:19,764 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-21 10:15:19,764 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-21 10:15:19,765 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:19,765 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:19,765 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-21 10:15:19,765 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-21 10:15:19,765 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-21 10:15:19,765 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-21 10:15:19,765 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:19,765 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-21 10:15:19,765 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-21 10:15:19,765 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:19,766 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-21 10:15:19,766 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-21 10:15:19,766 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-21 10:15:19,766 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-21 10:15:19,766 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-21 10:15:19,766 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:19,766 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-21 10:15:19,766 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-21 10:15:19,766 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-21 10:15:19,766 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-21 10:15:19,766 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-21 10:15:19,767 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:19,767 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-21 10:15:19,767 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-21 10:15:19,767 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:19,767 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-21 10:15:19,767 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-21 10:15:19,767 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:19,767 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:19,767 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-21 10:15:19,767 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:19,767 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:19,768 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-21 10:15:19,768 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:19,768 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-21 10:15:19,768 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-21 10:15:19,768 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-21 10:15:19,768 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-21 10:15:19,768 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:15:19,768 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-21 10:15:19,768 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-21 10:15:19,768 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-21 10:15:19,768 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:15:19,769 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-21 10:15:19,769 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:15:19,769 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-21 10:15:19,769 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:15:19,769 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-21 10:15:19,769 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:19,769 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-21 10:15:19,769 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:19,769 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:19,769 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-21 10:15:19,770 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:15:19,770 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-21 10:15:19,770 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:15:19,770 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-21 10:15:19,770 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-21 10:15:19,770 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-21 10:15:19,770 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-21 10:15:19,770 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:15:19,770 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-21 10:15:19,770 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-21 10:15:19,770 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:15:19,771 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-21 10:15:19,772 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:15:19,772 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:15:19,772 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:15:19,772 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:15:19,772 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:15:19,772 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:15:19,772 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:15:19,772 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l0_destroyErr0EnsuresViolation======== [2018-01-21 10:15:19,773 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:15:19,774 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-21 10:15:19,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-21 10:15:19,774 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:15:19,808 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:15:19,808 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l0_destroyErr0EnsuresViolation]=== [2018-01-21 10:15:19,808 INFO L82 PathProgramCache]: Analyzing trace with hash -469274458, now seen corresponding path program 1 times [2018-01-21 10:15:19,809 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:15:19,809 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:19,809 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:15:19,809 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:19,809 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:15:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:15:19,813 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:15:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:15:19,817 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:15:19,817 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:15:19,817 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:15:19,818 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 10:15:19,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 10:15:19,818 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:15:19,818 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2018-01-21 10:15:19,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:15:19,830 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-01-21 10:15:19,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 10:15:19,830 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-01-21 10:15:19,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:15:19,832 INFO L225 Difference]: With dead ends: 356 [2018-01-21 10:15:19,832 INFO L226 Difference]: Without dead ends: 162 [2018-01-21 10:15:19,833 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 [2018-01-21 10:15:19,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-01-21 10:15:19,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-01-21 10:15:19,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-01-21 10:15:19,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 177 transitions. [2018-01-21 10:15:19,842 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 177 transitions. Word has length 13 [2018-01-21 10:15:19,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:15:19,843 INFO L432 AbstractCegarLoop]: Abstraction has 162 states and 177 transitions. [2018-01-21 10:15:19,843 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 10:15:19,843 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 177 transitions. [2018-01-21 10:15:19,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-01-21 10:15:19,844 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:15:19,845 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] [2018-01-21 10:15:19,845 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l0_destroyErr0EnsuresViolation]=== [2018-01-21 10:15:19,845 INFO L82 PathProgramCache]: Analyzing trace with hash 360977538, now seen corresponding path program 1 times [2018-01-21 10:15:19,845 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:15:19,846 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:19,846 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:15:19,846 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:19,846 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:15:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:15:19,862 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:15:19,923 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-21 10:15:19,923 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:15:19,924 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:15:19,924 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2018-01-21 10:15:19,924 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] [2018-01-21 10:15:19,926 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 10:15:19,927 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 10:15:20,183 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 10:15:20,183 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-21 10:15:20,192 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 10:15:20,480 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-21 10:15:20,480 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 10:15:20,601 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 10:15:20,602 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:15:20,602 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:15:20,602 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:15:20,602 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:15:20,602 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:15:20,602 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:15:20,602 INFO L87 Difference]: Start difference. First operand 162 states and 177 transitions. Second operand 6 states. [2018-01-21 10:15:24,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:15:24,698 INFO L93 Difference]: Finished difference Result 162 states and 177 transitions. [2018-01-21 10:15:24,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-21 10:15:24,698 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 246 [2018-01-21 10:15:24,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:15:24,699 INFO L225 Difference]: With dead ends: 162 [2018-01-21 10:15:24,699 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:15:24,699 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 245 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-21 10:15:24,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:15:24,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:15:24,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:15:24,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:15:24,700 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2018-01-21 10:15:24,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:15:24,700 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:15:24,700 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:15:24,700 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:15:24,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:15:24,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:15:24,726 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:15:24,726 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:15:24,726 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-21 10:15:24,726 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-21 10:15:24,726 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-21 10:15:24,726 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-21 10:15:24,726 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-21 10:15:24,726 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:15:24,726 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-21 10:15:24,726 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-21 10:15:24,726 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-21 10:15:24,726 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:15:24,726 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-21 10:15:24,726 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:15:24,727 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-21 10:15:24,727 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-21 10:15:24,727 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:24,727 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-21 10:15:24,727 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-21 10:15:24,727 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-21 10:15:24,727 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-21 10:15:24,727 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:24,727 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-21 10:15:24,727 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-21 10:15:24,727 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-21 10:15:24,727 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:24,727 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:15:24,727 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-21 10:15:24,727 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:15:24,727 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:15:24,727 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:15:24,728 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:15:24,728 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:15:24,728 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-21 10:15:24,728 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-21 10:15:24,728 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:15:24,728 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-21 10:15:24,728 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-21 10:15:24,728 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-21 10:15:24,728 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-21 10:15:24,728 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:15:24,728 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-21 10:15:24,728 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:15:24,728 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-21 10:15:24,728 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-21 10:15:24,728 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:15:24,728 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:24,728 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-21 10:15:24,729 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-21 10:15:24,729 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:15:24,729 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-21 10:15:24,729 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-21 10:15:24,729 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-21 10:15:24,729 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-21 10:15:24,729 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-21 10:15:24,729 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-21 10:15:24,729 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-21 10:15:24,729 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:24,729 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-21 10:15:24,729 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:24,729 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-21 10:15:24,729 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-21 10:15:24,729 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-21 10:15:24,729 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:24,729 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-21 10:15:24,730 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:15:24,730 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:24,730 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-21 10:15:24,730 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:15:24,730 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:24,730 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-21 10:15:24,730 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-21 10:15:24,730 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-21 10:15:24,730 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-21 10:15:24,730 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-21 10:15:24,730 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-21 10:15:24,730 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-21 10:15:24,730 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:15:24,730 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-21 10:15:24,730 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-21 10:15:24,730 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:24,730 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:15:24,731 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:24,731 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:24,731 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-21 10:15:24,731 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:24,731 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-21 10:15:24,731 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-21 10:15:24,731 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-21 10:15:24,731 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-21 10:15:24,731 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-21 10:15:24,731 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-21 10:15:24,731 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-21 10:15:24,731 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:24,731 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-21 10:15:24,731 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:15:24,731 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:15:24,731 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-21 10:15:24,731 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-21 10:15:24,732 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:24,732 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:15:24,732 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:15:24,732 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-21 10:15:24,732 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-21 10:15:24,732 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-21 10:15:24,732 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-21 10:15:24,732 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-21 10:15:24,732 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:15:24,732 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:15:24,732 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-21 10:15:24,732 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-21 10:15:24,732 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-21 10:15:24,732 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-21 10:15:24,732 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:24,732 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-21 10:15:24,732 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-21 10:15:24,733 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-21 10:15:24,733 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:24,733 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:24,733 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-21 10:15:24,733 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-21 10:15:24,733 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-21 10:15:24,733 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-21 10:15:24,733 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:24,733 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-21 10:15:24,733 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-21 10:15:24,733 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:24,733 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-21 10:15:24,733 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-21 10:15:24,733 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-21 10:15:24,733 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-21 10:15:24,733 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-21 10:15:24,733 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:24,734 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-21 10:15:24,734 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-21 10:15:24,734 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-21 10:15:24,734 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-21 10:15:24,734 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-21 10:15:24,734 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:24,734 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-21 10:15:24,734 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-21 10:15:24,734 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:24,734 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-21 10:15:24,734 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-21 10:15:24,734 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:24,734 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:24,734 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-21 10:15:24,734 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:24,735 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:24,735 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-21 10:15:24,735 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:24,735 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-21 10:15:24,735 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-21 10:15:24,735 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-21 10:15:24,735 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-21 10:15:24,735 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:15:24,735 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-21 10:15:24,735 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-21 10:15:24,735 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-21 10:15:24,735 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:15:24,735 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-21 10:15:24,735 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:15:24,735 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-21 10:15:24,735 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:15:24,736 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-21 10:15:24,736 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:24,736 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-21 10:15:24,736 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:24,736 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:24,736 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-21 10:15:24,736 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:15:24,736 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-21 10:15:24,736 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:15:24,736 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-21 10:15:24,736 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-21 10:15:24,736 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-21 10:15:24,736 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-21 10:15:24,736 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:15:24,736 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-21 10:15:24,736 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-21 10:15:24,736 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:15:24,737 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-21 10:15:24,738 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:15:24,738 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:15:24,738 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:15:24,738 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:15:24,738 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:15:24,738 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:15:24,738 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:15:24,738 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == calloc_modelErr0EnsuresViolation======== [2018-01-21 10:15:24,738 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:15:24,739 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-21 10:15:24,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-21 10:15:24,739 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:15:24,740 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] [2018-01-21 10:15:24,740 INFO L371 AbstractCegarLoop]: === Iteration 1 === [calloc_modelErr0EnsuresViolation]=== [2018-01-21 10:15:24,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1182361561, now seen corresponding path program 1 times [2018-01-21 10:15:24,740 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:15:24,740 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:24,740 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:15:24,741 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:24,741 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:15:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:15:24,744 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:15:24,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:15:24,788 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:15:24,819 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:15:24,819 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:15:24,820 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-21 10:15:24,820 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-21 10:15:24,820 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-21 10:15:24,820 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 5 states. [2018-01-21 10:15:24,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:15:24,843 INFO L93 Difference]: Finished difference Result 182 states and 208 transitions. [2018-01-21 10:15:24,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-21 10:15:24,843 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-01-21 10:15:24,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:15:24,843 INFO L225 Difference]: With dead ends: 182 [2018-01-21 10:15:24,843 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:15:24,844 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 [2018-01-21 10:15:24,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:15:24,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:15:24,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:15:24,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:15:24,845 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2018-01-21 10:15:24,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:15:24,845 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:15:24,845 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-21 10:15:24,845 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:15:24,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:15:24,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:15:24,872 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:15:24,872 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:15:24,872 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-21 10:15:24,872 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-21 10:15:24,872 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-21 10:15:24,873 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-21 10:15:24,873 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-21 10:15:24,873 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:15:24,873 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-21 10:15:24,873 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-21 10:15:24,873 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-21 10:15:24,873 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:15:24,873 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-21 10:15:24,873 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:15:24,873 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-21 10:15:24,873 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-21 10:15:24,873 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:24,873 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-21 10:15:24,873 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-21 10:15:24,873 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-21 10:15:24,873 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-21 10:15:24,874 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:24,874 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-21 10:15:24,874 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-21 10:15:24,874 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-21 10:15:24,874 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:24,874 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:15:24,874 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-21 10:15:24,874 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:15:24,874 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:15:24,874 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:15:24,874 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:15:24,874 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:15:24,874 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-21 10:15:24,874 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-21 10:15:24,874 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:15:24,874 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-21 10:15:24,874 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-21 10:15:24,875 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-21 10:15:24,875 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-21 10:15:24,875 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:15:24,875 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-21 10:15:24,875 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:15:24,875 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-21 10:15:24,875 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-21 10:15:24,875 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:15:24,875 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:24,875 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-21 10:15:24,875 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-21 10:15:24,875 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:15:24,875 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-21 10:15:24,875 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-21 10:15:24,875 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-21 10:15:24,875 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-21 10:15:24,875 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-21 10:15:24,875 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-21 10:15:24,876 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-21 10:15:24,876 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:24,876 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-21 10:15:24,876 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:24,876 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-21 10:15:24,876 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-21 10:15:24,876 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-21 10:15:24,876 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:24,876 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-21 10:15:24,876 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:15:24,876 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:24,876 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-21 10:15:24,876 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:15:24,876 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:24,876 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-21 10:15:24,876 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-21 10:15:24,877 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-21 10:15:24,877 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-21 10:15:24,877 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-21 10:15:24,877 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-21 10:15:24,877 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-21 10:15:24,877 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:15:24,877 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-21 10:15:24,877 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-21 10:15:24,877 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:24,877 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:15:24,877 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:24,877 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:24,877 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-21 10:15:24,877 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:24,877 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-21 10:15:24,877 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-21 10:15:24,877 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-21 10:15:24,878 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-21 10:15:24,878 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-21 10:15:24,878 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-21 10:15:24,878 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-21 10:15:24,878 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:24,878 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-21 10:15:24,878 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:15:24,878 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:15:24,878 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-21 10:15:24,878 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-21 10:15:24,878 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:24,878 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:15:24,878 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:15:24,878 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-21 10:15:24,878 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-21 10:15:24,878 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-21 10:15:24,878 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-21 10:15:24,878 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-21 10:15:24,879 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:15:24,879 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:15:24,879 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-21 10:15:24,879 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-21 10:15:24,879 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-21 10:15:24,879 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-21 10:15:24,879 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:24,879 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-21 10:15:24,879 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-21 10:15:24,879 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-21 10:15:24,879 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:24,879 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:24,879 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-21 10:15:24,879 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-21 10:15:24,879 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-21 10:15:24,879 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-21 10:15:24,879 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:24,880 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-21 10:15:24,880 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-21 10:15:24,880 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:24,880 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-21 10:15:24,880 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-21 10:15:24,880 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-21 10:15:24,880 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-21 10:15:24,880 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-21 10:15:24,880 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:24,880 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-21 10:15:24,880 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-21 10:15:24,880 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-21 10:15:24,880 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-21 10:15:24,880 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-21 10:15:24,880 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:24,880 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-21 10:15:24,880 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-21 10:15:24,881 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:24,881 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-21 10:15:24,881 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-21 10:15:24,881 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:24,881 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:24,881 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-21 10:15:24,881 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:24,881 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 883) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:24,881 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-21 10:15:24,881 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:24,881 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-21 10:15:24,881 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-21 10:15:24,881 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-21 10:15:24,881 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-21 10:15:24,881 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:15:24,881 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-21 10:15:24,881 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-21 10:15:24,882 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-21 10:15:24,882 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:15:24,882 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-21 10:15:24,882 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:15:24,882 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-21 10:15:24,882 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:15:24,882 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-21 10:15:24,882 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:24,882 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-21 10:15:24,882 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:24,882 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:24,882 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-21 10:15:24,883 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:15:24,883 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-21 10:15:24,883 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:15:24,883 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-21 10:15:24,883 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-21 10:15:24,883 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-21 10:15:24,883 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-21 10:15:24,883 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:15:24,883 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-21 10:15:24,883 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-21 10:15:24,884 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:15:24,884 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-21 10:15:24,885 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:15:24,885 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:15:24,885 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:15:24,885 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:15:24,885 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:15:24,885 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:15:24,885 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:15:24,885 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l4_insertErr0EnsuresViolation======== [2018-01-21 10:15:24,886 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:15:24,887 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-21 10:15:24,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-01-21 10:15:24,889 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:15:24,889 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] [2018-01-21 10:15:24,889 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l4_insertErr0EnsuresViolation]=== [2018-01-21 10:15:24,889 INFO L82 PathProgramCache]: Analyzing trace with hash 2064093293, now seen corresponding path program 1 times [2018-01-21 10:15:24,889 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:15:24,890 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:24,890 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:15:24,890 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:24,891 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:15:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:15:24,903 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:15:24,931 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-21 10:15:24,931 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:15:24,932 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:15:24,932 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-01-21 10:15:24,932 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] [2018-01-21 10:15:24,933 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 10:15:24,933 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 10:15:25,412 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 10:15:25,412 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-21 10:15:25,414 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 10:15:25,737 INFO L232 lantSequenceWeakener]: Weakened 1 states. On average, predicates are now at 41.67% of their original sizes. [2018-01-21 10:15:25,737 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 10:15:25,858 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 [2018-01-21 10:15:25,863 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 10:15:25,863 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:15:25,863 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:15:25,863 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:15:25,864 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:15:25,864 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:15:25,864 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-01-21 10:15:25,864 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 6 states. [2018-01-21 10:15:30,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:15:30,215 INFO L93 Difference]: Finished difference Result 182 states and 208 transitions. [2018-01-21 10:15:30,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-21 10:15:30,215 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-01-21 10:15:30,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:15:30,215 INFO L225 Difference]: With dead ends: 182 [2018-01-21 10:15:30,215 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:15:30,216 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-01-21 10:15:30,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:15:30,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:15:30,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:15:30,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:15:30,217 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 146 [2018-01-21 10:15:30,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:15:30,217 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:15:30,217 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:15:30,217 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:15:30,217 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:15:30,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:15:30,269 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:15:30,269 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:15:30,269 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-21 10:15:30,269 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-21 10:15:30,269 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-21 10:15:30,269 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-21 10:15:30,270 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-21 10:15:30,270 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:15:30,270 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: true [2018-01-21 10:15:30,270 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-21 10:15:30,270 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-21 10:15:30,270 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:15:30,270 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-21 10:15:30,270 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:15:30,270 INFO L404 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: true [2018-01-21 10:15:30,270 INFO L404 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-01-21 10:15:30,271 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:30,271 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-21 10:15:30,271 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-21 10:15:30,271 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-21 10:15:30,271 INFO L404 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-01-21 10:15:30,271 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:30,271 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-21 10:15:30,271 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-21 10:15:30,271 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: true [2018-01-21 10:15:30,271 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:30,271 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:15:30,272 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-21 10:15:30,272 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:15:30,272 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:15:30,272 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:15:30,272 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:15:30,272 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:15:30,272 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-21 10:15:30,272 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-21 10:15:30,272 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:15:30,272 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: true [2018-01-21 10:15:30,272 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-21 10:15:30,273 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-21 10:15:30,273 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-21 10:15:30,273 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:15:30,273 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-21 10:15:30,273 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:15:30,273 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-21 10:15:30,273 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-21 10:15:30,273 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:15:30,273 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:30,273 INFO L404 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-01-21 10:15:30,273 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-21 10:15:30,274 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:15:30,274 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-21 10:15:30,274 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: true [2018-01-21 10:15:30,274 INFO L404 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2018-01-21 10:15:30,274 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-21 10:15:30,274 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-21 10:15:30,274 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-21 10:15:30,274 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-21 10:15:30,274 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:30,274 INFO L404 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: true [2018-01-21 10:15:30,274 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:30,275 INFO L404 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: true [2018-01-21 10:15:30,275 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-21 10:15:30,275 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-21 10:15:30,275 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:30,275 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-21 10:15:30,275 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:15:30,275 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:30,275 INFO L404 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: true [2018-01-21 10:15:30,275 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:15:30,275 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:30,275 INFO L404 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: true [2018-01-21 10:15:30,276 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-21 10:15:30,276 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-21 10:15:30,276 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-21 10:15:30,276 INFO L404 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: true [2018-01-21 10:15:30,276 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-21 10:15:30,276 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-21 10:15:30,276 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:15:30,276 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: true [2018-01-21 10:15:30,276 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-21 10:15:30,276 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:30,276 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:15:30,276 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:30,277 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:30,277 INFO L404 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: true [2018-01-21 10:15:30,277 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:30,277 INFO L404 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2018-01-21 10:15:30,277 INFO L404 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: true [2018-01-21 10:15:30,277 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-21 10:15:30,277 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-21 10:15:30,277 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-21 10:15:30,277 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-21 10:15:30,277 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: true [2018-01-21 10:15:30,278 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:30,278 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-21 10:15:30,278 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:15:30,278 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:15:30,278 INFO L404 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2018-01-21 10:15:30,278 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-21 10:15:30,278 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:30,278 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:15:30,278 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:15:30,278 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-21 10:15:30,278 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-21 10:15:30,279 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-21 10:15:30,279 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-21 10:15:30,279 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-21 10:15:30,279 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:15:30,279 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:15:30,279 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-21 10:15:30,279 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-21 10:15:30,279 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-21 10:15:30,279 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: true [2018-01-21 10:15:30,279 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:30,279 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-21 10:15:30,280 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-21 10:15:30,280 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-21 10:15:30,280 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:30,280 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:30,280 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-21 10:15:30,280 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-21 10:15:30,280 INFO L404 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-01-21 10:15:30,280 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-21 10:15:30,280 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:30,280 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-21 10:15:30,280 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-21 10:15:30,281 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:30,281 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-21 10:15:30,281 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-21 10:15:30,281 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-21 10:15:30,281 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-21 10:15:30,281 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-21 10:15:30,281 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:30,281 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-21 10:15:30,281 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-21 10:15:30,281 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-21 10:15:30,281 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-21 10:15:30,281 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: true [2018-01-21 10:15:30,282 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:30,282 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-21 10:15:30,282 INFO L404 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-01-21 10:15:30,282 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:30,282 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-21 10:15:30,282 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: true [2018-01-21 10:15:30,282 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:30,282 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:30,282 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-21 10:15:30,282 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:30,283 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|)) [2018-01-21 10:15:30,283 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-21 10:15:30,283 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:30,283 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-21 10:15:30,283 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-21 10:15:30,283 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-21 10:15:30,283 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-21 10:15:30,283 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:15:30,283 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-21 10:15:30,283 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-21 10:15:30,283 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-21 10:15:30,283 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:15:30,284 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: true [2018-01-21 10:15:30,284 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:15:30,284 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-21 10:15:30,284 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:15:30,284 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-21 10:15:30,284 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:30,284 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-21 10:15:30,284 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:30,284 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:30,284 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-21 10:15:30,285 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:15:30,285 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-21 10:15:30,285 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:15:30,285 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-21 10:15:30,285 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-21 10:15:30,285 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-21 10:15:30,285 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-21 10:15:30,285 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:15:30,285 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: true [2018-01-21 10:15:30,285 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-21 10:15:30,285 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:15:30,286 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-21 10:15:30,287 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:15:30,287 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:15:30,287 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:15:30,287 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:15:30,287 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:15:30,287 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:15:30,287 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:15:30,287 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == zalloc_or_dieErr0EnsuresViolation======== [2018-01-21 10:15:30,287 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:15:30,289 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-21 10:15:30,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-21 10:15:30,290 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:15:30,290 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] [2018-01-21 10:15:30,290 INFO L371 AbstractCegarLoop]: === Iteration 1 === [zalloc_or_dieErr0EnsuresViolation]=== [2018-01-21 10:15:30,290 INFO L82 PathProgramCache]: Analyzing trace with hash -417060020, now seen corresponding path program 1 times [2018-01-21 10:15:30,291 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:15:30,291 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:30,292 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:15:30,292 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:30,292 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:15:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:15:30,298 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:15:30,309 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-21 10:15:30,309 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:15:30,309 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:15:30,309 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2018-01-21 10:15:30,309 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-21 10:15:30,310 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:15:30,310 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 [2018-01-21 10:15:30,322 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:15:30,322 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-21 10:15:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:15:30,358 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-21 10:15:30,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:15:30,372 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-21 10:15:30,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:15:30,430 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:15:30,430 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-01-21 10:15:30,431 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:15:30,431 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 10:15:30,431 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 10:15:30,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 10:15:30,431 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 3 states. [2018-01-21 10:15:30,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:15:30,594 INFO L93 Difference]: Finished difference Result 380 states and 468 transitions. [2018-01-21 10:15:30,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 10:15:30,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-01-21 10:15:30,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:15:30,595 INFO L225 Difference]: With dead ends: 380 [2018-01-21 10:15:30,595 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:15:30,596 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 [2018-01-21 10:15:30,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:15:30,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:15:30,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:15:30,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:15:30,597 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-21 10:15:30,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:15:30,597 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:15:30,598 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 10:15:30,598 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:15:30,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:15:30,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:15:30,662 INFO L401 ceAbstractionStarter]: For program point L838'''(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:15:30,662 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:15:30,662 INFO L401 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2018-01-21 10:15:30,662 INFO L401 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-01-21 10:15:30,662 INFO L404 ceAbstractionStarter]: At program point L838''(lines 838 844) the Hoare annotation is: true [2018-01-21 10:15:30,662 INFO L401 ceAbstractionStarter]: For program point L839''(line 839) no Hoare annotation was computed. [2018-01-21 10:15:30,662 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-21 10:15:30,663 INFO L401 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-01-21 10:15:30,663 INFO L397 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 836 845) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,663 INFO L401 ceAbstractionStarter]: For program point L840'(line 840) no Hoare annotation was computed. [2018-01-21 10:15:30,663 INFO L401 ceAbstractionStarter]: For program point L841'(line 841) no Hoare annotation was computed. [2018-01-21 10:15:30,663 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 836 845) no Hoare annotation was computed. [2018-01-21 10:15:30,663 INFO L404 ceAbstractionStarter]: At program point L839'(line 839) the Hoare annotation is: true [2018-01-21 10:15:30,663 INFO L401 ceAbstractionStarter]: For program point L819'''(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:15:30,663 INFO L397 ceAbstractionStarter]: At program point L819''(lines 819 821) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,663 INFO L397 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,663 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:30,663 INFO L401 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-01-21 10:15:30,663 INFO L401 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2018-01-21 10:15:30,663 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-21 10:15:30,664 INFO L397 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,664 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:30,664 INFO L401 ceAbstractionStarter]: For program point L823'(line 823) no Hoare annotation was computed. [2018-01-21 10:15:30,664 INFO L401 ceAbstractionStarter]: For program point L820'(line 820) no Hoare annotation was computed. [2018-01-21 10:15:30,664 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 816 825) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,664 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 816 825) no Hoare annotation was computed. [2018-01-21 10:15:30,664 INFO L401 ceAbstractionStarter]: For program point L819(lines 819 821) no Hoare annotation was computed. [2018-01-21 10:15:30,664 INFO L401 ceAbstractionStarter]: For program point L818'(line 818) no Hoare annotation was computed. [2018-01-21 10:15:30,664 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-21 10:15:30,664 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-21 10:15:30,664 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-21 10:15:30,664 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-21 10:15:30,664 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:15:30,664 INFO L401 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2018-01-21 10:15:30,664 INFO L401 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-01-21 10:15:30,665 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 826 835) no Hoare annotation was computed. [2018-01-21 10:15:30,665 INFO L397 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 826 835) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,665 INFO L401 ceAbstractionStarter]: For program point L829''(line 829) no Hoare annotation was computed. [2018-01-21 10:15:30,665 INFO L404 ceAbstractionStarter]: At program point L828''(lines 828 834) the Hoare annotation is: true [2018-01-21 10:15:30,665 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-21 10:15:30,665 INFO L401 ceAbstractionStarter]: For program point L828(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:15:30,665 INFO L401 ceAbstractionStarter]: For program point L831'(line 831) no Hoare annotation was computed. [2018-01-21 10:15:30,665 INFO L401 ceAbstractionStarter]: For program point L828'''(lines 828 834) no Hoare annotation was computed. [2018-01-21 10:15:30,665 INFO L401 ceAbstractionStarter]: For program point L830'(line 830) no Hoare annotation was computed. [2018-01-21 10:15:30,665 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-21 10:15:30,665 INFO L401 ceAbstractionStarter]: For program point L799(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:15:30,665 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:30,665 INFO L397 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,665 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-21 10:15:30,665 INFO L401 ceAbstractionStarter]: For program point L799'''(lines 799 801) no Hoare annotation was computed. [2018-01-21 10:15:30,666 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-21 10:15:30,666 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 796 805) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,666 INFO L397 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,666 INFO L401 ceAbstractionStarter]: For program point L803'(line 803) no Hoare annotation was computed. [2018-01-21 10:15:30,666 INFO L401 ceAbstractionStarter]: For program point L800'(line 800) no Hoare annotation was computed. [2018-01-21 10:15:30,666 INFO L401 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-01-21 10:15:30,666 INFO L401 ceAbstractionStarter]: For program point L798'(line 798) no Hoare annotation was computed. [2018-01-21 10:15:30,666 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:30,666 INFO L397 ceAbstractionStarter]: At program point L799''(lines 799 801) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,666 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 796 805) no Hoare annotation was computed. [2018-01-21 10:15:30,667 INFO L397 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,667 INFO L397 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,667 INFO L401 ceAbstractionStarter]: For program point L882'(line 882) no Hoare annotation was computed. [2018-01-21 10:15:30,667 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:30,667 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-21 10:15:30,667 INFO L401 ceAbstractionStarter]: For program point L879(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:15:30,667 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:30,667 INFO L397 ceAbstractionStarter]: At program point L879''(lines 879 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,667 INFO L401 ceAbstractionStarter]: For program point L879'''(lines 879 881) no Hoare annotation was computed. [2018-01-21 10:15:30,667 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 876 883) no Hoare annotation was computed. [2018-01-21 10:15:30,668 INFO L397 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,668 INFO L401 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-01-21 10:15:30,668 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-21 10:15:30,668 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-21 10:15:30,668 INFO L397 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,668 INFO L401 ceAbstractionStarter]: For program point L793'(line 793) no Hoare annotation was computed. [2018-01-21 10:15:30,668 INFO L401 ceAbstractionStarter]: For program point L790'(line 790) no Hoare annotation was computed. [2018-01-21 10:15:30,668 INFO L401 ceAbstractionStarter]: For program point L789(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:15:30,668 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 786 795) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,668 INFO L401 ceAbstractionStarter]: For program point L788'(line 788) no Hoare annotation was computed. [2018-01-21 10:15:30,669 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:30,669 INFO L401 ceAbstractionStarter]: For program point L789'''(lines 789 791) no Hoare annotation was computed. [2018-01-21 10:15:30,669 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:30,669 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 786 795) no Hoare annotation was computed. [2018-01-21 10:15:30,669 INFO L397 ceAbstractionStarter]: At program point L789''(lines 789 791) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,669 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:30,669 INFO L397 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,669 INFO L397 ceAbstractionStarter]: At program point L809''(lines 809 811) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,669 INFO L401 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-01-21 10:15:30,669 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-21 10:15:30,670 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-21 10:15:30,670 INFO L401 ceAbstractionStarter]: For program point L813'(line 813) no Hoare annotation was computed. [2018-01-21 10:15:30,670 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 806 815) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,670 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:30,670 INFO L401 ceAbstractionStarter]: For program point L810'(line 810) no Hoare annotation was computed. [2018-01-21 10:15:30,670 INFO L401 ceAbstractionStarter]: For program point L809'''(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:15:30,670 INFO L401 ceAbstractionStarter]: For program point L809(lines 809 811) no Hoare annotation was computed. [2018-01-21 10:15:30,670 INFO L397 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,670 INFO L401 ceAbstractionStarter]: For program point L808'(line 808) no Hoare annotation was computed. [2018-01-21 10:15:30,670 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 806 815) no Hoare annotation was computed. [2018-01-21 10:15:30,671 INFO L401 ceAbstractionStarter]: For program point L868'''(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:15:30,671 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:15:30,671 INFO L401 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-01-21 10:15:30,671 INFO L401 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-01-21 10:15:30,671 INFO L401 ceAbstractionStarter]: For program point L871'(line 871) no Hoare annotation was computed. [2018-01-21 10:15:30,671 INFO L401 ceAbstractionStarter]: For program point L870'(line 870) no Hoare annotation was computed. [2018-01-21 10:15:30,671 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-21 10:15:30,671 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 866 875) no Hoare annotation was computed. [2018-01-21 10:15:30,671 INFO L401 ceAbstractionStarter]: For program point L868(lines 868 874) no Hoare annotation was computed. [2018-01-21 10:15:30,671 INFO L404 ceAbstractionStarter]: At program point L868''(lines 868 874) the Hoare annotation is: true [2018-01-21 10:15:30,672 INFO L404 ceAbstractionStarter]: At program point L869'(line 869) the Hoare annotation is: true [2018-01-21 10:15:30,672 INFO L401 ceAbstractionStarter]: For program point L869''(line 869) no Hoare annotation was computed. [2018-01-21 10:15:30,672 INFO L397 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 866 875) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,672 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:30,672 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-21 10:15:30,672 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,672 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-21 10:15:30,672 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:30,672 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-21 10:15:30,672 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-21 10:15:30,672 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-21 10:15:30,673 INFO L397 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,673 INFO L401 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-01-21 10:15:30,673 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:30,673 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-21 10:15:30,673 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-21 10:15:30,673 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:30,673 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-21 10:15:30,673 INFO L401 ceAbstractionStarter]: For program point L783'(line 783) no Hoare annotation was computed. [2018-01-21 10:15:30,673 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-21 10:15:30,673 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-21 10:15:30,673 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-21 10:15:30,674 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 777 785) no Hoare annotation was computed. [2018-01-21 10:15:30,674 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,674 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-21 10:15:30,674 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-21 10:15:30,674 INFO L401 ceAbstractionStarter]: For program point L781''(line 781) no Hoare annotation was computed. [2018-01-21 10:15:30,674 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 777 785) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,674 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:30,674 INFO L401 ceAbstractionStarter]: For program point L773(lines 773 774) no Hoare annotation was computed. [2018-01-21 10:15:30,674 INFO L397 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,674 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:30,675 INFO L401 ceAbstractionStarter]: For program point L772'(line 772) no Hoare annotation was computed. [2018-01-21 10:15:30,675 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 770 776) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,675 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 770 776) no Hoare annotation was computed. [2018-01-21 10:15:30,675 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:30,675 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-21 10:15:30,675 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:30,675 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|)) [2018-01-21 10:15:30,675 INFO L401 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-01-21 10:15:30,675 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:30,676 INFO L401 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2018-01-21 10:15:30,676 INFO L401 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2018-01-21 10:15:30,676 INFO L401 ceAbstractionStarter]: For program point L860'(line 860) no Hoare annotation was computed. [2018-01-21 10:15:30,676 INFO L401 ceAbstractionStarter]: For program point L861'(line 861) no Hoare annotation was computed. [2018-01-21 10:15:30,676 INFO L401 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:15:30,676 INFO L401 ceAbstractionStarter]: For program point L859''(line 859) no Hoare annotation was computed. [2018-01-21 10:15:30,676 INFO L404 ceAbstractionStarter]: At program point L858''(lines 858 864) the Hoare annotation is: true [2018-01-21 10:15:30,676 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-21 10:15:30,676 INFO L401 ceAbstractionStarter]: For program point L858'''(lines 858 864) no Hoare annotation was computed. [2018-01-21 10:15:30,676 INFO L397 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 856 865) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,676 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:15:30,677 INFO L404 ceAbstractionStarter]: At program point L859'(line 859) the Hoare annotation is: true [2018-01-21 10:15:30,677 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 856 865) no Hoare annotation was computed. [2018-01-21 10:15:30,677 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 883) the Hoare annotation is: true [2018-01-21 10:15:30,677 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:30,677 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 883) the Hoare annotation is: false [2018-01-21 10:15:30,677 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:30,677 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 883) no Hoare annotation was computed. [2018-01-21 10:15:30,677 INFO L401 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2018-01-21 10:15:30,677 INFO L401 ceAbstractionStarter]: For program point L848'''(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:15:30,677 INFO L401 ceAbstractionStarter]: For program point L850'(line 850) no Hoare annotation was computed. [2018-01-21 10:15:30,677 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:15:30,678 INFO L401 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2018-01-21 10:15:30,678 INFO L401 ceAbstractionStarter]: For program point L849''(line 849) no Hoare annotation was computed. [2018-01-21 10:15:30,678 INFO L404 ceAbstractionStarter]: At program point L848''(lines 848 854) the Hoare annotation is: true [2018-01-21 10:15:30,678 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-21 10:15:30,678 INFO L401 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-01-21 10:15:30,678 INFO L397 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 846 855) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-21 10:15:30,678 INFO L401 ceAbstractionStarter]: For program point L851'(line 851) no Hoare annotation was computed. [2018-01-21 10:15:30,678 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 846 855) no Hoare annotation was computed. [2018-01-21 10:15:30,678 INFO L404 ceAbstractionStarter]: At program point L849'(line 849) the Hoare annotation is: true [2018-01-21 10:15:30,680 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:15:30,680 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:15:30,680 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:15:30,680 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:15:30,680 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:15:30,680 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:15:30,680 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:15:30,680 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 10:15:30,680 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:15:30,681 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-21 10:15:30,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-01-21 10:15:30,682 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:15:30,682 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-01-21 10:15:30,682 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 10:15:30,682 INFO L82 PathProgramCache]: Analyzing trace with hash 328405087, now seen corresponding path program 1 times [2018-01-21 10:15:30,682 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:15:30,682 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:30,683 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:15:30,683 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:30,683 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:15:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:15:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:15:30,707 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 10:15:30,714 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:15:30,723 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:15:30,723 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:15:30,723 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:15:30,723 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:15:30,723 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:15:30,724 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:15:30,724 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:15:30,724 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l1_destroyErr0EnsuresViolation======== [2018-01-21 10:15:30,724 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:15:30,725 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-21 10:15:30,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-21 10:15:30,726 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:15:30,726 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:15:30,726 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l1_destroyErr0EnsuresViolation]=== [2018-01-21 10:15:30,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1578019281, now seen corresponding path program 1 times [2018-01-21 10:15:30,727 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:15:30,727 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:30,727 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:15:30,727 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:30,728 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:15:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:15:30,732 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:15:30,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:15:30,736 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:15:30,736 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:15:30,736 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:15:30,736 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 10:15:30,736 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 10:15:30,737 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:15:30,737 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2018-01-21 10:15:30,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:15:30,746 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-01-21 10:15:30,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 10:15:30,747 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-01-21 10:15:30,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:15:30,748 INFO L225 Difference]: With dead ends: 356 [2018-01-21 10:15:30,748 INFO L226 Difference]: Without dead ends: 161 [2018-01-21 10:15:30,749 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 [2018-01-21 10:15:30,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-01-21 10:15:30,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-01-21 10:15:30,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-01-21 10:15:30,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 176 transitions. [2018-01-21 10:15:30,760 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 176 transitions. Word has length 17 [2018-01-21 10:15:30,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:15:30,760 INFO L432 AbstractCegarLoop]: Abstraction has 161 states and 176 transitions. [2018-01-21 10:15:30,760 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 10:15:30,760 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 176 transitions. [2018-01-21 10:15:30,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-01-21 10:15:30,762 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:15:30,762 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] [2018-01-21 10:15:30,762 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l1_destroyErr0EnsuresViolation]=== [2018-01-21 10:15:30,762 INFO L82 PathProgramCache]: Analyzing trace with hash -901297964, now seen corresponding path program 1 times [2018-01-21 10:15:30,763 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:15:30,763 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:30,763 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:15:30,763 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:30,764 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:15:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:15:30,779 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:15:30,834 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-21 10:15:30,834 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:15:30,834 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:15:30,834 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 239 with the following transitions: [2018-01-21 10:15:30,834 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] [2018-01-21 10:15:30,836 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 10:15:30,837 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 10:15:31,176 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 10:15:31,177 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-21 10:15:31,178 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 10:15:31,568 INFO L232 lantSequenceWeakener]: Weakened 1 states. On average, predicates are now at 41.67% of their original sizes. [2018-01-21 10:15:31,569 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 10:15:31,795 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 10:15:31,795 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:15:31,795 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:15:31,796 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:15:31,796 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:15:31,796 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:15:31,796 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=19, Unknown=2, NotChecked=0, Total=30 [2018-01-21 10:15:31,797 INFO L87 Difference]: Start difference. First operand 161 states and 176 transitions. Second operand 6 states. [2018-01-21 10:15:35,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:15:35,959 INFO L93 Difference]: Finished difference Result 161 states and 176 transitions. [2018-01-21 10:15:35,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-21 10:15:35,959 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 238 [2018-01-21 10:15:35,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:15:35,960 INFO L225 Difference]: With dead ends: 161 [2018-01-21 10:15:35,960 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:15:35,960 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 237 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=19, Unknown=2, NotChecked=0, Total=30 [2018-01-21 10:15:35,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:15:35,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:15:35,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:15:35,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:15:35,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 238 [2018-01-21 10:15:35,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:15:35,961 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:15:35,961 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 10:15:35,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:15:35,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:15:35,962 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:15:35,962 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:15:35,962 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:15:35,962 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:15:35,962 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:15:35,962 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:15:35,962 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:15:35,962 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 10:15:35,963 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:15:35,963 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-21 10:15:35,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-21 10:15:35,964 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:15:35,964 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:15:35,964 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 10:15:35,964 INFO L82 PathProgramCache]: Analyzing trace with hash -794434849, now seen corresponding path program 1 times [2018-01-21 10:15:35,964 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:15:35,965 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:35,965 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:15:35,965 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:35,965 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:15:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:15:35,967 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:15:35,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:15:35,970 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:15:35,971 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:15:35,971 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:15:35,971 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 10:15:35,971 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 10:15:35,971 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:15:35,971 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2018-01-21 10:15:35,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:15:35,978 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-01-21 10:15:35,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 10:15:35,978 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-01-21 10:15:35,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:15:35,978 INFO L225 Difference]: With dead ends: 356 [2018-01-21 10:15:35,979 INFO L226 Difference]: Without dead ends: 167 [2018-01-21 10:15:35,979 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 [2018-01-21 10:15:35,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-01-21 10:15:35,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-01-21 10:15:35,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-01-21 10:15:35,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 182 transitions. [2018-01-21 10:15:35,987 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 182 transitions. Word has length 18 [2018-01-21 10:15:35,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:15:35,987 INFO L432 AbstractCegarLoop]: Abstraction has 167 states and 182 transitions. [2018-01-21 10:15:35,987 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 10:15:35,987 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 182 transitions. [2018-01-21 10:15:35,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-01-21 10:15:35,989 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:15:35,989 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] [2018-01-21 10:15:35,989 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 10:15:35,989 INFO L82 PathProgramCache]: Analyzing trace with hash -905885565, now seen corresponding path program 1 times [2018-01-21 10:15:35,989 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:15:35,990 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:35,990 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:15:35,990 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:15:35,990 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:15:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:15:36,000 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:15:36,038 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-21 10:15:36,038 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:15:36,038 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:15:36,039 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 252 with the following transitions: [2018-01-21 10:15:36,039 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] [2018-01-21 10:15:36,041 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 10:15:36,041 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 10:15:36,308 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 10:15:36,308 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-21 10:15:36,316 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 10:15:36,609 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-21 10:15:36,609 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 10:15:36,704 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 [2018-01-21 10:15:36,710 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 10:15:36,710 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:15:36,710 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-21 10:15:36,710 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:15:36,711 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 10:15:36,711 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 10:15:36,711 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-01-21 10:15:36,711 INFO L87 Difference]: Start difference. First operand 167 states and 182 transitions. Second operand 6 states. Received shutdown request... [2018-01-21 10:15:40,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-21 10:15:40,792 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 10:15:40,794 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:15:40,794 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:15:40,794 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:15:40,794 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:15:40,794 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:15:40,795 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:15:40,795 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:15:40,795 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l2_destroyErr0EnsuresViolation======== [2018-01-21 10:15:40,795 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:15:40,796 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-01-21 10:15:40,796 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 10:15:40,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 10:15:40 BoogieIcfgContainer [2018-01-21 10:15:40,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 10:15:40,797 INFO L168 Benchmark]: Toolchain (without parser) took 59643.68 ms. Allocated memory was 308.3 MB in the beginning and 919.6 MB in the end (delta: 611.3 MB). Free memory was 265.6 MB in the beginning and 357.1 MB in the end (delta: -91.5 MB). Peak memory consumption was 519.8 MB. Max. memory is 5.3 GB. [2018-01-21 10:15:40,798 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 308.3 MB. Free memory is still 272.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 10:15:40,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.32 ms. Allocated memory is still 308.3 MB. Free memory was 265.6 MB in the beginning and 252.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. [2018-01-21 10:15:40,798 INFO L168 Benchmark]: Boogie Preprocessor took 49.02 ms. Allocated memory is still 308.3 MB. Free memory was 252.6 MB in the beginning and 250.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 10:15:40,798 INFO L168 Benchmark]: RCFGBuilder took 550.23 ms. Allocated memory is still 308.3 MB. Free memory was 250.6 MB in the beginning and 207.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 5.3 GB. [2018-01-21 10:15:40,799 INFO L168 Benchmark]: TraceAbstraction took 58807.31 ms. Allocated memory was 308.3 MB in the beginning and 919.6 MB in the end (delta: 611.3 MB). Free memory was 207.6 MB in the beginning and 357.1 MB in the end (delta: -149.5 MB). Peak memory consumption was 461.8 MB. Max. memory is 5.3 GB. [2018-01-21 10:15:40,800 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 308.3 MB. Free memory is still 272.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 230.32 ms. Allocated memory is still 308.3 MB. Free memory was 265.6 MB in the beginning and 252.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 49.02 ms. Allocated memory is still 308.3 MB. Free memory was 252.6 MB in the beginning and 250.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 550.23 ms. Allocated memory is still 308.3 MB. Free memory was 250.6 MB in the beginning and 207.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 58807.31 ms. Allocated memory was 308.3 MB in the beginning and 919.6 MB in the end (delta: 611.3 MB). Free memory was 207.6 MB in the beginning and 357.1 MB in the end (delta: -149.5 MB). Peak memory consumption was 461.8 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) : 5.088658 RENAME_VARIABLES(MILLISECONDS) : 50.069429 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 4.959314 PROJECTAWAY(MILLISECONDS) : 0.045866 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.148370 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 50.156103 ADD_EQUALITY(MILLISECONDS) : 0.066027 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.058109 #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) : 5.260504 RENAME_VARIABLES(MILLISECONDS) : 56.097002 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 5.156965 PROJECTAWAY(MILLISECONDS) : 0.025756 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.069171 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 56.170197 ADD_EQUALITY(MILLISECONDS) : 0.050734 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.045986 #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) : 3.370951 RENAME_VARIABLES(MILLISECONDS) : 41.485693 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 3.295598 PROJECTAWAY(MILLISECONDS) : 0.022423 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.049025 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 41.565784 ADD_EQUALITY(MILLISECONDS) : 0.036928 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.096470 #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) : 2.087358 RENAME_VARIABLES(MILLISECONDS) : 34.385701 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 2.024558 PROJECTAWAY(MILLISECONDS) : 0.038058 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.065246 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 34.437008 ADD_EQUALITY(MILLISECONDS) : 0.043698 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.009048 #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) : 1.840261 RENAME_VARIABLES(MILLISECONDS) : 23.908240 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.790287 PROJECTAWAY(MILLISECONDS) : 0.021962 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.029723 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 23.971365 ADD_EQUALITY(MILLISECONDS) : 0.051571 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.009323 #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) : 2.368692 RENAME_VARIABLES(MILLISECONDS) : 23.687186 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 2.311449 PROJECTAWAY(MILLISECONDS) : 0.015081 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.042170 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 23.746827 ADD_EQUALITY(MILLISECONDS) : 0.023790 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.009630 #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) : 2.356064 RENAME_VARIABLES(MILLISECONDS) : 20.972279 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 2.310862 PROJECTAWAY(MILLISECONDS) : 0.015550 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.045152 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 21.022524 ADD_EQUALITY(MILLISECONDS) : 0.023323 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.009071 #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) : 1.974784 RENAME_VARIABLES(MILLISECONDS) : 21.246899 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.929521 PROJECTAWAY(MILLISECONDS) : 0.033257 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.027638 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 21.299584 ADD_EQUALITY(MILLISECONDS) : 0.025503 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.008649 #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) : 3.029984 RENAME_VARIABLES(MILLISECONDS) : 47.242332 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 2.964770 PROJECTAWAY(MILLISECONDS) : 0.016243 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.044381 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 47.298217 ADD_EQUALITY(MILLISECONDS) : 0.035533 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.014380 #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) : 1.831400 RENAME_VARIABLES(MILLISECONDS) : 22.578400 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.780461 PROJECTAWAY(MILLISECONDS) : 0.011310 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.042191 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 22.632448 ADD_EQUALITY(MILLISECONDS) : 0.024816 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.020390 #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) : 2.131293 RENAME_VARIABLES(MILLISECONDS) : 23.252454 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 2.044604 PROJECTAWAY(MILLISECONDS) : 0.013962 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.047456 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 23.297897 ADD_EQUALITY(MILLISECONDS) : 0.027841 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.008008 #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, 0.0s 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, 0.0s 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, 0.9s 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, 0.0s 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, 5.9s 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, 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, 0.7s 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, 0.0s 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, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 215 GetRequests, 211 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, 0.4s 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, 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, 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, 0.2s 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, 0.1s 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, 0.2s 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, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s 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, 0.0s 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, 5.4s 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, 0.1s 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, 0.4s 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, 0.3s 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, 0.1s 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)=5, \old(list)=7, 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, 5.2s 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, 0.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 239 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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, 4.8s 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_smtcomp.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-0-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-0-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-1-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-1-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-2-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-2-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-3-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-3-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-4-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-4-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-5-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-5-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-6-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-6-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-7-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-7-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-8-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-8-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-9-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-9-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-VPDomainBenchmark-10-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-10-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-21_10-15-40-822.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_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-14-2018-01-21_10-15-40-822.csv Completed graceful shutdown