java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ.epf -i ../../../trunk/examples/svcomp/memsafety/test-0237_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-20 23:33:08,897 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-20 23:33:08,899 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-20 23:33:08,913 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-20 23:33:08,914 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-20 23:33:08,915 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-20 23:33:08,916 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-20 23:33:08,917 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-20 23:33:08,919 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-20 23:33:08,920 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-20 23:33:08,921 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-20 23:33:08,921 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-20 23:33:08,922 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-20 23:33:08,923 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-20 23:33:08,924 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-20 23:33:08,927 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-20 23:33:08,929 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-20 23:33:08,931 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-20 23:33:08,932 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-20 23:33:08,934 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-20 23:33:08,936 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-20 23:33:08,941 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-20 23:33:08,941 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-20 23:33:08,942 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ.epf [2018-01-20 23:33:08,951 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-20 23:33:08,951 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-20 23:33:08,951 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-20 23:33:08,951 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-20 23:33:08,952 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-20 23:33:08,952 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-20 23:33:08,952 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-20 23:33:08,952 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-20 23:33:08,952 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-20 23:33:08,952 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-20 23:33:08,953 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-20 23:33:08,953 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-20 23:33:08,953 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-20 23:33:08,953 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-20 23:33:08,953 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-20 23:33:08,953 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-20 23:33:08,953 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-20 23:33:08,953 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-20 23:33:08,954 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-20 23:33:08,954 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-20 23:33:08,954 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-20 23:33:08,954 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-20 23:33:08,954 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-20 23:33:08,954 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-20 23:33:08,954 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-20 23:33:08,955 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-20 23:33:08,955 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-20 23:33:08,955 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-20 23:33:08,955 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-20 23:33:08,955 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-20 23:33:08,955 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-20 23:33:08,955 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-20 23:33:08,956 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-20 23:33:08,956 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-20 23:33:08,956 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-20 23:33:08,956 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-20 23:33:08,957 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-20 23:33:08,957 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-20 23:33:08,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-20 23:33:08,998 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-20 23:33:09,002 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-20 23:33:09,003 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-20 23:33:09,003 INFO L276 PluginConnector]: CDTParser initialized [2018-01-20 23:33:09,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0237_true-valid-memsafety.i [2018-01-20 23:33:09,184 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-20 23:33:09,189 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-20 23:33:09,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-20 23:33:09,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-20 23:33:09,195 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-20 23:33:09,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 11:33:09" (1/1) ... [2018-01-20 23:33:09,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b942210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:33:09, skipping insertion in model container [2018-01-20 23:33:09,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 11:33:09" (1/1) ... [2018-01-20 23:33:09,210 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 23:33:09,253 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 23:33:09,378 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 23:33:09,406 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 23:33:09,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:33:09 WrapperNode [2018-01-20 23:33:09,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-20 23:33:09,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-20 23:33:09,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-20 23:33:09,420 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-20 23:33:09,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:33:09" (1/1) ... [2018-01-20 23:33:09,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:33:09" (1/1) ... [2018-01-20 23:33:09,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:33:09" (1/1) ... [2018-01-20 23:33:09,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:33:09" (1/1) ... [2018-01-20 23:33:09,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:33:09" (1/1) ... [2018-01-20 23:33:09,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:33:09" (1/1) ... [2018-01-20 23:33:09,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:33:09" (1/1) ... [2018-01-20 23:33:09,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-20 23:33:09,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-20 23:33:09,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-20 23:33:09,470 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-20 23:33:09,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:33:09" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-20 23:33:09,537 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-20 23:33:09,537 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-20 23:33:09,537 INFO L136 BoogieDeclarations]: Found implementation of procedure calloc_model [2018-01-20 23:33:09,537 INFO L136 BoogieDeclarations]: Found implementation of procedure zalloc_or_die [2018-01-20 23:33:09,538 INFO L136 BoogieDeclarations]: Found implementation of procedure l4_insert [2018-01-20 23:33:09,538 INFO L136 BoogieDeclarations]: Found implementation of procedure l3_insert [2018-01-20 23:33:09,538 INFO L136 BoogieDeclarations]: Found implementation of procedure l2_insert [2018-01-20 23:33:09,538 INFO L136 BoogieDeclarations]: Found implementation of procedure l1_insert [2018-01-20 23:33:09,538 INFO L136 BoogieDeclarations]: Found implementation of procedure l0_insert [2018-01-20 23:33:09,538 INFO L136 BoogieDeclarations]: Found implementation of procedure l4_destroy [2018-01-20 23:33:09,538 INFO L136 BoogieDeclarations]: Found implementation of procedure l3_destroy [2018-01-20 23:33:09,539 INFO L136 BoogieDeclarations]: Found implementation of procedure l2_destroy [2018-01-20 23:33:09,539 INFO L136 BoogieDeclarations]: Found implementation of procedure l1_destroy [2018-01-20 23:33:09,539 INFO L136 BoogieDeclarations]: Found implementation of procedure l0_destroy [2018-01-20 23:33:09,539 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-20 23:33:09,539 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-20 23:33:09,539 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-20 23:33:09,539 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-20 23:33:09,539 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-20 23:33:09,540 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-20 23:33:09,540 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-01-20 23:33:09,540 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-01-20 23:33:09,540 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-20 23:33:09,540 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-20 23:33:09,540 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-01-20 23:33:09,540 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-01-20 23:33:09,540 INFO L128 BoogieDeclarations]: Found specification of procedure calloc_model [2018-01-20 23:33:09,540 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-20 23:33:09,541 INFO L128 BoogieDeclarations]: Found specification of procedure zalloc_or_die [2018-01-20 23:33:09,541 INFO L128 BoogieDeclarations]: Found specification of procedure l4_insert [2018-01-20 23:33:09,541 INFO L128 BoogieDeclarations]: Found specification of procedure l3_insert [2018-01-20 23:33:09,541 INFO L128 BoogieDeclarations]: Found specification of procedure l2_insert [2018-01-20 23:33:09,541 INFO L128 BoogieDeclarations]: Found specification of procedure l1_insert [2018-01-20 23:33:09,541 INFO L128 BoogieDeclarations]: Found specification of procedure l0_insert [2018-01-20 23:33:09,541 INFO L128 BoogieDeclarations]: Found specification of procedure l4_destroy [2018-01-20 23:33:09,541 INFO L128 BoogieDeclarations]: Found specification of procedure l3_destroy [2018-01-20 23:33:09,541 INFO L128 BoogieDeclarations]: Found specification of procedure l2_destroy [2018-01-20 23:33:09,541 INFO L128 BoogieDeclarations]: Found specification of procedure l1_destroy [2018-01-20 23:33:09,541 INFO L128 BoogieDeclarations]: Found specification of procedure l0_destroy [2018-01-20 23:33:09,541 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-20 23:33:09,542 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-20 23:33:09,542 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-20 23:33:10,075 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-20 23:33:10,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 11:33:10 BoogieIcfgContainer [2018-01-20 23:33:10,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-20 23:33:10,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-20 23:33:10,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-20 23:33:10,079 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-20 23:33:10,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 11:33:09" (1/3) ... [2018-01-20 23:33:10,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410c7c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 11:33:10, skipping insertion in model container [2018-01-20 23:33:10,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 11:33:09" (2/3) ... [2018-01-20 23:33:10,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410c7c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 11:33:10, skipping insertion in model container [2018-01-20 23:33:10,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 11:33:10" (3/3) ... [2018-01-20 23:33:10,082 INFO L105 eAbstractionObserver]: Analyzing ICFG test-0237_true-valid-memsafety.i [2018-01-20 23:33:10,088 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-20 23:33:10,095 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-01-20 23:33:10,134 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:10,134 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:10,134 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:10,134 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:10,135 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:10,135 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:10,135 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:10,135 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l3_destroyErr0EnsuresViolation======== [2018-01-20 23:33:10,135 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:10,155 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 23:33:10,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-20 23:33:10,162 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:10,162 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:10,163 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l3_destroyErr0EnsuresViolation]=== [2018-01-20 23:33:10,166 INFO L82 PathProgramCache]: Analyzing trace with hash -747535974, now seen corresponding path program 1 times [2018-01-20 23:33:10,168 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:10,207 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:10,208 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:10,241 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:10,241 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:10,288 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:10,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:10,330 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:10,330 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:33:10,330 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:10,334 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:33:10,344 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:33:10,345 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:10,347 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 23:33:10,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:10,477 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 23:33:10,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:33:10,478 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-01-20 23:33:10,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:10,490 INFO L225 Difference]: With dead ends: 354 [2018-01-20 23:33:10,490 INFO L226 Difference]: Without dead ends: 160 [2018-01-20 23:33:10,494 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:10,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-01-20 23:33:10,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-01-20 23:33:10,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-01-20 23:33:10,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 175 transitions. [2018-01-20 23:33:10,535 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 175 transitions. Word has length 25 [2018-01-20 23:33:10,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:10,536 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 175 transitions. [2018-01-20 23:33:10,536 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:33:10,536 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 175 transitions. [2018-01-20 23:33:10,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-01-20 23:33:10,542 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:10,542 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] [2018-01-20 23:33:10,542 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l3_destroyErr0EnsuresViolation]=== [2018-01-20 23:33:10,543 INFO L82 PathProgramCache]: Analyzing trace with hash -407505247, now seen corresponding path program 1 times [2018-01-20 23:33:10,543 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:10,544 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:10,544 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:10,544 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:10,544 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:10,595 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:10,760 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:10,761 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:10,761 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:10,762 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-01-20 23:33:10,764 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], [112], [118], [119], [120], [122], [126], [129], [132], [138], [139], [140], [141], [142], [143], [145], [147], [151], [154], [157], [163], [164], [165], [166], [167], [168], [170], [172], [176], [179], [182], [188], [189], [190], [191], [192], [193], [195], [196], [197], [199], [200], [202], [204], [206], [207], [208], [209], [210], [211], [212], [213], [214], [215], [216], [218], [220], [223], [225], [227], [228], [229], [230], [232], [236], [237], [259], [263], [264], [282], [283], [284], [285], [286], [288], [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], [316], [317], [318], [320] [2018-01-20 23:33:10,810 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:33:10,810 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:33:11,688 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:33:11,689 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:33:11,722 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:33:12,380 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:33:12,380 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:33:12,480 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:33:12,481 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:12,481 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:33:12,481 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:12,483 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:33:12,484 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:33:12,484 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=19, Unknown=1, NotChecked=0, Total=30 [2018-01-20 23:33:12,484 INFO L87 Difference]: Start difference. First operand 160 states and 175 transitions. Second operand 6 states. [2018-01-20 23:33:16,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:16,610 INFO L93 Difference]: Finished difference Result 160 states and 175 transitions. [2018-01-20 23:33:16,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:33:16,610 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 221 [2018-01-20 23:33:16,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:16,611 INFO L225 Difference]: With dead ends: 160 [2018-01-20 23:33:16,611 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:33:16,613 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 220 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=19, Unknown=1, NotChecked=0, Total=30 [2018-01-20 23:33:16,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:33:16,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:33:16,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:33:16,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:33:16,615 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 221 [2018-01-20 23:33:16,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:16,615 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:33:16,615 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:33:16,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:33:16,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:33:16,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:33:16,715 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:16,715 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:16,716 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:16,716 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 23:33:16,716 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:33:16,716 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 23:33:16,717 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 23:33:16,717 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-20 23:33:16,717 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 23:33:16,717 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:16,717 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 23:33:16,718 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 23:33:16,718 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 23:33:16,718 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:16,718 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 23:33:16,718 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:16,718 INFO L404 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: true [2018-01-20 23:33:16,718 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:33:16,719 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:16,719 INFO L404 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-01-20 23:33:16,719 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:16,719 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 23:33:16,719 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: true [2018-01-20 23:33:16,719 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:16,719 INFO L404 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-01-20 23:33:16,719 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 23:33:16,720 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 23:33:16,720 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:33:16,720 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:33:16,720 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:33:16,720 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:33:16,720 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:16,720 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:16,721 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 23:33:16,721 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 23:33:16,721 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-20 23:33:16,721 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:33:16,721 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 23:33:16,721 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 23:33:16,721 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:16,721 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:16,722 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 23:33:16,722 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:33:16,722 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 23:33:16,722 INFO L404 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-01-20 23:33:16,722 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:16,722 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:16,722 INFO L404 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: true [2018-01-20 23:33:16,722 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:16,723 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:33:16,723 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:33:16,723 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: true [2018-01-20 23:33:16,723 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 23:33:16,723 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 23:33:16,723 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 23:33:16,723 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 23:33:16,723 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:16,724 INFO L404 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: true [2018-01-20 23:33:16,724 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:16,724 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:33:16,724 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:16,724 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:33:16,724 INFO L404 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-01-20 23:33:16,724 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:16,724 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:16,725 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:16,725 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:33:16,725 INFO L404 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: true [2018-01-20 23:33:16,725 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:16,725 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 23:33:16,725 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:33:16,725 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:33:16,725 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:16,726 INFO L404 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-01-20 23:33:16,726 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 23:33:16,726 INFO L404 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2018-01-20 23:33:16,726 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: true [2018-01-20 23:33:16,726 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 23:33:16,726 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 23:33:16,726 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:16,726 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:16,727 INFO L404 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: true [2018-01-20 23:33:16,727 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:16,727 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:16,727 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:16,727 INFO L404 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: true [2018-01-20 23:33:16,727 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:33:16,727 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:33:16,727 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 23:33:16,728 INFO L404 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-01-20 23:33:16,728 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 23:33:16,728 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: true [2018-01-20 23:33:16,728 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:16,728 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:16,728 INFO L404 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: true [2018-01-20 23:33:16,728 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:16,728 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:16,729 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 23:33:16,729 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 23:33:16,729 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:16,729 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:16,729 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:33:16,729 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:16,729 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 23:33:16,729 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 23:33:16,730 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:16,730 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 23:33:16,730 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 23:33:16,730 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 23:33:16,730 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 23:33:16,730 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 23:33:16,730 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-20 23:33:16,730 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:16,731 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:33:16,731 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:33:16,731 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:33:16,731 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:16,731 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:16,731 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:33:16,732 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:33:16,732 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 23:33:16,732 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:16,732 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:33:16,732 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:33:16,732 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:16,732 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:33:16,732 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:33:16,733 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:33:16,733 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:33:16,733 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:16,733 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:33:16,733 INFO L404 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: true [2018-01-20 23:33:16,733 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:33:16,733 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:33:16,733 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 23:33:16,734 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: true [2018-01-20 23:33:16,734 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 23:33:16,734 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:16,734 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 23:33:16,734 INFO L404 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-01-20 23:33:16,734 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:16,734 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 23:33:16,734 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: true [2018-01-20 23:33:16,735 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:16,735 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:16,735 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 23:33:16,735 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 23:33:16,735 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:16,735 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:16,735 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:16,735 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 23:33:16,736 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 23:33:16,736 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:16,736 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 23:33:16,736 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 23:33:16,736 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 23:33:16,736 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:33:16,736 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 23:33:16,736 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:16,737 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-20 23:33:16,737 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:16,737 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 23:33:16,737 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:16,737 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 23:33:16,737 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:16,737 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: false [2018-01-20 23:33:16,737 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:16,738 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:16,738 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:16,738 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:16,738 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 23:33:16,738 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:16,738 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 23:33:16,738 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 23:33:16,738 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:33:16,739 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 23:33:16,739 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 23:33:16,739 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-20 23:33:16,739 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:16,739 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 23:33:16,739 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 23:33:16,743 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:16,743 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:16,743 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:16,743 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:16,743 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:16,744 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:16,744 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:16,744 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l0_insertErr0EnsuresViolation======== [2018-01-20 23:33:16,744 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:16,747 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 23:33:16,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-01-20 23:33:16,749 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:16,749 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] [2018-01-20 23:33:16,749 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l0_insertErr0EnsuresViolation]=== [2018-01-20 23:33:16,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1347593123, now seen corresponding path program 1 times [2018-01-20 23:33:16,750 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:16,751 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:16,751 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:16,751 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:16,751 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:16,764 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:16,790 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:16,790 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:16,790 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:16,790 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2018-01-20 23:33:16,791 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-20 23:33:16,791 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:16,791 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 23:33:16,802 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:16,802 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-20 23:33:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:16,853 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 23:33:16,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:16,862 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-20 23:33:16,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:16,964 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:16,964 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-01-20 23:33:16,964 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:16,965 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:33:16,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:33:16,965 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:16,965 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 23:33:16,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:16,989 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 23:33:16,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:33:16,989 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 35 [2018-01-20 23:33:16,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:16,991 INFO L225 Difference]: With dead ends: 354 [2018-01-20 23:33:16,991 INFO L226 Difference]: Without dead ends: 100 [2018-01-20 23:33:16,993 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:16,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-01-20 23:33:17,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-01-20 23:33:17,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-01-20 23:33:17,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-01-20 23:33:17,003 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 35 [2018-01-20 23:33:17,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:17,003 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-01-20 23:33:17,003 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:33:17,004 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-01-20 23:33:17,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-01-20 23:33:17,007 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:17,007 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] [2018-01-20 23:33:17,007 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l0_insertErr0EnsuresViolation]=== [2018-01-20 23:33:17,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1557316018, now seen corresponding path program 1 times [2018-01-20 23:33:17,007 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:17,008 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:17,009 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:17,009 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:17,009 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:17,031 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:17,106 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:17,106 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:17,106 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:17,106 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-01-20 23:33:17,107 INFO L201 CegarAbsIntRunner]: [48], [88], [90], [94], [97], [100], [106], [107], [108], [109], [111], [112], [118], [119], [120], [122], [126], [129], [132], [138], [139], [140], [141], [142], [143], [145], [147], [151], [154], [157], [163], [164], [165], [166], [167], [168], [170], [172], [176], [179], [182], [188], [189], [190], [191], [192], [193], [195], [196], [197], [199], [200], [202], [204], [206], [207], [208], [209], [210], [211], [212], [213], [214], [215], [216], [218], [220], [223], [225], [227], [228], [229], [230], [284], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [316], [317], [318] [2018-01-20 23:33:17,110 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:33:17,110 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:33:17,953 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:33:17,954 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:33:17,968 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:33:18,659 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:33:18,660 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:33:18,793 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:33:18,794 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:18,794 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:33:18,794 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:18,795 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:33:18,795 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:33:18,795 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:18,795 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand 6 states. [2018-01-20 23:33:22,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:22,880 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2018-01-20 23:33:22,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:33:22,880 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181 [2018-01-20 23:33:22,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:22,880 INFO L225 Difference]: With dead ends: 100 [2018-01-20 23:33:22,881 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:33:22,881 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 180 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:22,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:33:22,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:33:22,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:33:22,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:33:22,882 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2018-01-20 23:33:22,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:22,882 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:33:22,882 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:33:22,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:33:22,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:33:22,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:33:22,930 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:22,930 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:22,930 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:22,930 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 23:33:22,930 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:33:22,930 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 23:33:22,930 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 23:33:22,931 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-20 23:33:22,931 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 23:33:22,931 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:22,931 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 23:33:22,931 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 23:33:22,931 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 23:33:22,931 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:22,931 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 23:33:22,931 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:22,931 INFO L404 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: true [2018-01-20 23:33:22,931 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:33:22,931 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:22,931 INFO L404 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-01-20 23:33:22,931 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:22,932 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 23:33:22,932 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: true [2018-01-20 23:33:22,932 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:22,932 INFO L404 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-01-20 23:33:22,932 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 23:33:22,932 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 23:33:22,932 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:33:22,932 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:33:22,932 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:33:22,932 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:33:22,932 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:22,932 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:22,932 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 23:33:22,933 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 23:33:22,933 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-20 23:33:22,933 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:33:22,933 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 23:33:22,933 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 23:33:22,933 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:22,933 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:22,933 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 23:33:22,933 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:33:22,933 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 23:33:22,933 INFO L404 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-01-20 23:33:22,933 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:22,933 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:22,933 INFO L404 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: true [2018-01-20 23:33:22,933 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:22,934 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:33:22,934 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:33:22,934 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: true [2018-01-20 23:33:22,934 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 23:33:22,934 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 23:33:22,934 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 23:33:22,934 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 23:33:22,934 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:22,934 INFO L404 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: true [2018-01-20 23:33:22,934 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:22,934 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:33:22,934 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:22,934 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:33:22,934 INFO L404 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-01-20 23:33:22,935 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:22,935 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:22,935 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:22,935 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:33:22,935 INFO L404 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: true [2018-01-20 23:33:22,935 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:22,935 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 23:33:22,935 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:33:22,935 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:33:22,935 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:22,935 INFO L404 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-01-20 23:33:22,935 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 23:33:22,935 INFO L404 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2018-01-20 23:33:22,936 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: true [2018-01-20 23:33:22,936 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 23:33:22,936 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 23:33:22,936 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:22,936 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:22,936 INFO L404 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: true [2018-01-20 23:33:22,936 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:22,936 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:22,936 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:22,936 INFO L404 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: true [2018-01-20 23:33:22,936 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:33:22,936 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:33:22,936 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 23:33:22,937 INFO L404 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-01-20 23:33:22,937 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 23:33:22,937 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: true [2018-01-20 23:33:22,937 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:22,937 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:22,937 INFO L404 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: true [2018-01-20 23:33:22,937 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:22,937 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:22,937 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 23:33:22,937 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 23:33:22,937 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:22,937 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:22,937 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:33:22,937 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:22,938 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 23:33:22,938 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 23:33:22,938 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:22,938 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 23:33:22,938 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 23:33:22,938 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 23:33:22,938 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 23:33:22,938 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 23:33:22,938 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-20 23:33:22,938 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:22,938 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:33:22,938 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:33:22,939 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:33:22,939 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:22,939 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:22,939 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:33:22,939 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:33:22,939 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 23:33:22,939 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:22,939 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:33:22,939 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:33:22,939 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:22,939 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:33:22,939 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:33:22,939 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:33:22,939 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:33:22,939 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:22,940 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:33:22,940 INFO L404 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: true [2018-01-20 23:33:22,940 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:33:22,940 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:33:22,940 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 23:33:22,940 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: true [2018-01-20 23:33:22,940 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 23:33:22,940 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:22,940 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 23:33:22,940 INFO L404 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-01-20 23:33:22,940 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:22,940 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 23:33:22,940 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: true [2018-01-20 23:33:22,940 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:22,941 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:22,941 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 23:33:22,941 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 23:33:22,941 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:22,941 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:22,941 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:22,941 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 23:33:22,941 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 23:33:22,941 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:22,941 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 23:33:22,941 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 23:33:22,941 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 23:33:22,941 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:33:22,941 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 23:33:22,942 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:22,942 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-20 23:33:22,942 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:22,942 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 23:33:22,942 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:22,942 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 23:33:22,942 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:22,942 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: false [2018-01-20 23:33:22,942 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:22,942 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:22,942 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:22,942 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:22,942 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 23:33:22,942 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:22,943 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 23:33:22,943 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 23:33:22,943 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:33:22,943 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 23:33:22,943 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 23:33:22,943 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-20 23:33:22,943 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:22,943 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 23:33:22,943 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 23:33:22,945 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:22,945 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:22,945 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:22,945 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:22,945 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:22,945 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:22,945 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:22,945 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l4_destroyErr0EnsuresViolation======== [2018-01-20 23:33:22,946 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:22,947 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 23:33:22,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-20 23:33:22,948 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:22,948 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:22,948 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l4_destroyErr0EnsuresViolation]=== [2018-01-20 23:33:22,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1153732616, now seen corresponding path program 1 times [2018-01-20 23:33:22,949 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:22,949 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:22,949 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:22,949 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:22,949 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:22,957 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:22,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:22,968 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:22,969 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:33:22,969 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:22,969 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:33:22,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:33:22,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:22,970 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 23:33:22,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:22,984 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 23:33:22,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:33:22,985 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2018-01-20 23:33:22,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:22,987 INFO L225 Difference]: With dead ends: 354 [2018-01-20 23:33:22,987 INFO L226 Difference]: Without dead ends: 160 [2018-01-20 23:33:22,988 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:22,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-01-20 23:33:22,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-01-20 23:33:22,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-01-20 23:33:23,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 175 transitions. [2018-01-20 23:33:23,002 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 175 transitions. Word has length 29 [2018-01-20 23:33:23,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:23,002 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 175 transitions. [2018-01-20 23:33:23,002 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:33:23,002 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 175 transitions. [2018-01-20 23:33:23,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-01-20 23:33:23,006 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:23,006 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] [2018-01-20 23:33:23,006 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l4_destroyErr0EnsuresViolation]=== [2018-01-20 23:33:23,006 INFO L82 PathProgramCache]: Analyzing trace with hash -110749203, now seen corresponding path program 1 times [2018-01-20 23:33:23,007 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:23,008 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:23,008 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:23,008 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:23,008 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:23,030 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:23,106 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:23,106 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:23,106 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:23,106 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 214 with the following transitions: [2018-01-20 23:33:23,107 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], [112], [118], [119], [120], [122], [126], [129], [132], [138], [139], [140], [141], [142], [143], [145], [147], [151], [154], [157], [163], [164], [165], [166], [167], [168], [170], [172], [176], [179], [182], [188], [189], [190], [191], [192], [193], [195], [196], [197], [199], [200], [202], [204], [206], [207], [208], [209], [210], [211], [212], [213], [214], [215], [216], [218], [220], [223], [225], [227], [228], [229], [230], [232], [236], [237], [259], [263], [264], [282], [284], [285], [286], [288], [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], [316], [317], [318], [320] [2018-01-20 23:33:23,111 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:33:23,112 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:33:23,588 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:33:23,589 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:33:23,594 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:33:24,033 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:33:24,033 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:33:24,105 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:33:24,106 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:24,106 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:33:24,106 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:24,106 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:33:24,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:33:24,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:24,107 INFO L87 Difference]: Start difference. First operand 160 states and 175 transitions. Second operand 6 states. [2018-01-20 23:33:28,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:28,186 INFO L93 Difference]: Finished difference Result 160 states and 175 transitions. [2018-01-20 23:33:28,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:33:28,186 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 213 [2018-01-20 23:33:28,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:28,186 INFO L225 Difference]: With dead ends: 160 [2018-01-20 23:33:28,186 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:33:28,187 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:28,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:33:28,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:33:28,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:33:28,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:33:28,188 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2018-01-20 23:33:28,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:28,188 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:33:28,188 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:33:28,188 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:33:28,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:33:28,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:33:28,262 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:28,262 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:28,262 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:28,262 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 23:33:28,262 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:33:28,262 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 23:33:28,262 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 23:33:28,262 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-20 23:33:28,262 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 23:33:28,262 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:28,262 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 23:33:28,262 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 23:33:28,263 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 23:33:28,263 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:28,263 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 23:33:28,263 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:28,263 INFO L404 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: true [2018-01-20 23:33:28,263 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:33:28,263 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:28,263 INFO L404 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-01-20 23:33:28,263 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:28,263 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 23:33:28,263 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: true [2018-01-20 23:33:28,263 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:28,263 INFO L404 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-01-20 23:33:28,263 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 23:33:28,263 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 23:33:28,264 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:33:28,264 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:33:28,264 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:33:28,264 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:33:28,264 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:28,264 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:28,264 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 23:33:28,264 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 23:33:28,264 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-20 23:33:28,264 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:33:28,264 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 23:33:28,264 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 23:33:28,264 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:28,264 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:28,264 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 23:33:28,265 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:33:28,265 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 23:33:28,265 INFO L404 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-01-20 23:33:28,265 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:28,265 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:28,265 INFO L404 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: true [2018-01-20 23:33:28,265 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:28,265 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:33:28,265 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:33:28,265 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: true [2018-01-20 23:33:28,265 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 23:33:28,265 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 23:33:28,265 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 23:33:28,265 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 23:33:28,265 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:28,266 INFO L404 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: true [2018-01-20 23:33:28,266 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:28,266 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:33:28,266 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:28,266 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:33:28,266 INFO L404 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-01-20 23:33:28,266 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:28,266 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:28,266 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:28,266 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:33:28,266 INFO L404 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: true [2018-01-20 23:33:28,266 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:28,266 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 23:33:28,266 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:33:28,266 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:33:28,267 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:28,267 INFO L404 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-01-20 23:33:28,267 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 23:33:28,267 INFO L404 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2018-01-20 23:33:28,267 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: true [2018-01-20 23:33:28,267 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 23:33:28,267 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 23:33:28,267 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:28,267 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:28,267 INFO L404 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: true [2018-01-20 23:33:28,267 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:28,267 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:28,267 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:28,267 INFO L404 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: true [2018-01-20 23:33:28,267 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:33:28,268 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:33:28,268 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 23:33:28,268 INFO L404 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-01-20 23:33:28,268 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 23:33:28,268 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: true [2018-01-20 23:33:28,268 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:28,268 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:28,268 INFO L404 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: true [2018-01-20 23:33:28,268 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:28,268 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:28,268 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 23:33:28,268 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 23:33:28,268 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:28,268 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:28,268 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:33:28,269 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:28,269 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 23:33:28,269 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 23:33:28,269 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:28,269 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 23:33:28,269 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 23:33:28,269 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 23:33:28,269 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 23:33:28,269 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 23:33:28,269 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-20 23:33:28,269 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:28,269 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:33:28,269 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:33:28,269 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:33:28,269 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:28,270 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:28,270 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:33:28,270 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:33:28,270 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 23:33:28,270 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:28,270 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:33:28,270 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:33:28,270 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:28,270 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:33:28,270 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:33:28,270 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:33:28,270 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:33:28,270 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:28,270 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:33:28,270 INFO L404 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: true [2018-01-20 23:33:28,271 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:33:28,271 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:33:28,271 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 23:33:28,271 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: true [2018-01-20 23:33:28,271 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 23:33:28,271 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:28,271 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 23:33:28,271 INFO L404 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-01-20 23:33:28,271 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:28,271 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 23:33:28,271 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: true [2018-01-20 23:33:28,271 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:28,271 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:28,271 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 23:33:28,271 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 23:33:28,272 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:28,272 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:28,272 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:28,272 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 23:33:28,272 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 23:33:28,272 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:28,272 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 23:33:28,272 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 23:33:28,272 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 23:33:28,272 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:33:28,272 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 23:33:28,272 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:28,272 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-20 23:33:28,273 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:28,273 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 23:33:28,273 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:28,273 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 23:33:28,273 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:28,273 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: false [2018-01-20 23:33:28,273 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:28,273 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:28,273 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:28,273 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:28,273 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 23:33:28,273 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:28,273 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 23:33:28,273 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 23:33:28,273 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:33:28,274 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 23:33:28,274 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 23:33:28,274 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-20 23:33:28,274 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:28,274 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 23:33:28,274 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 23:33:28,275 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:28,275 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:28,275 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:28,275 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:28,275 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:28,276 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:28,276 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:28,276 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l2_insertErr0EnsuresViolation======== [2018-01-20 23:33:28,276 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:28,277 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 23:33:28,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-01-20 23:33:28,278 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:28,278 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:28,279 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l2_insertErr0EnsuresViolation]=== [2018-01-20 23:33:28,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1369468608, now seen corresponding path program 1 times [2018-01-20 23:33:28,279 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:28,280 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:28,280 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:28,280 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:28,280 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:28,289 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:28,310 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:28,310 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:28,310 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:28,310 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 81 with the following transitions: [2018-01-20 23:33:28,311 INFO L201 CegarAbsIntRunner]: [48], [88], [90], [94], [112], [118], [119], [120], [122], [136], [138], [139], [140], [141], [142], [144], [170], [172], [176], [195], [196], [197], [199], [200], [218], [220], [224], [225], [227], [228], [229], [230], [284], [290], [291], [292], [294], [295], [302], [303], [304], [306], [307], [312], [313], [316], [317], [318] [2018-01-20 23:33:28,313 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:33:28,313 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:33:28,567 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:33:28,567 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:33:28,572 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:33:28,872 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:33:28,873 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:33:28,920 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:33:28,920 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:28,920 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:33:28,921 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:28,921 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:33:28,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:33:28,921 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:28,922 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 6 states. [2018-01-20 23:33:33,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:33,049 INFO L93 Difference]: Finished difference Result 181 states and 207 transitions. [2018-01-20 23:33:33,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:33:33,087 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-01-20 23:33:33,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:33,087 INFO L225 Difference]: With dead ends: 181 [2018-01-20 23:33:33,087 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:33:33,088 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:33,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:33:33,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:33:33,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:33:33,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:33:33,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 80 [2018-01-20 23:33:33,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:33,088 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:33:33,088 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:33:33,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:33:33,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:33:33,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:33:33,129 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:33,130 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:33,130 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:33,130 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 23:33:33,130 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:33:33,130 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 23:33:33,130 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 23:33:33,130 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-20 23:33:33,130 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 23:33:33,130 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:33,131 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 23:33:33,131 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 23:33:33,131 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 23:33:33,131 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:33,131 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 23:33:33,131 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:33,131 INFO L404 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: true [2018-01-20 23:33:33,131 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:33:33,131 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:33,131 INFO L404 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-01-20 23:33:33,132 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:33,132 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 23:33:33,132 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: true [2018-01-20 23:33:33,132 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:33,132 INFO L404 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-01-20 23:33:33,132 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 23:33:33,132 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 23:33:33,132 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:33:33,132 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:33:33,132 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:33:33,133 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:33:33,133 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:33,133 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:33,133 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 23:33:33,133 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 23:33:33,133 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-20 23:33:33,133 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:33:33,133 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 23:33:33,133 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 23:33:33,133 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:33,133 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:33,134 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 23:33:33,134 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:33:33,134 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 23:33:33,134 INFO L404 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-01-20 23:33:33,134 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:33,134 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:33,134 INFO L404 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: true [2018-01-20 23:33:33,134 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:33,134 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:33:33,134 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:33:33,135 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: true [2018-01-20 23:33:33,135 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 23:33:33,135 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 23:33:33,135 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 23:33:33,135 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 23:33:33,135 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:33,135 INFO L404 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: true [2018-01-20 23:33:33,135 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:33,135 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:33:33,135 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:33,136 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:33:33,136 INFO L404 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-01-20 23:33:33,136 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:33,136 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:33,136 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:33,136 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:33:33,136 INFO L404 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: true [2018-01-20 23:33:33,136 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:33,136 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 23:33:33,136 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:33:33,137 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:33:33,137 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:33,137 INFO L404 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-01-20 23:33:33,137 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 23:33:33,137 INFO L404 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2018-01-20 23:33:33,137 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: true [2018-01-20 23:33:33,137 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 23:33:33,137 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 23:33:33,137 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:33,137 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:33,138 INFO L404 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: true [2018-01-20 23:33:33,138 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:33,138 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:33,138 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:33,138 INFO L404 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: true [2018-01-20 23:33:33,138 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:33:33,138 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:33:33,138 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 23:33:33,138 INFO L404 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-01-20 23:33:33,138 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 23:33:33,139 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: true [2018-01-20 23:33:33,139 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:33,139 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:33,139 INFO L404 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: true [2018-01-20 23:33:33,139 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:33,139 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:33,139 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 23:33:33,139 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 23:33:33,139 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:33,139 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:33,140 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:33:33,140 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:33,140 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 23:33:33,140 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 23:33:33,140 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:33,140 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 23:33:33,140 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 23:33:33,140 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 23:33:33,140 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 23:33:33,140 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 23:33:33,140 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-20 23:33:33,141 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:33,141 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:33:33,141 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:33:33,141 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:33:33,141 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:33,141 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:33,141 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:33:33,141 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:33:33,141 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 23:33:33,141 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:33,142 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:33:33,142 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:33:33,142 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:33,142 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:33:33,142 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:33:33,142 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:33:33,142 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:33:33,142 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:33,142 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:33:33,142 INFO L404 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: true [2018-01-20 23:33:33,143 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:33:33,143 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:33:33,143 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 23:33:33,143 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: true [2018-01-20 23:33:33,143 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 23:33:33,143 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:33,143 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 23:33:33,143 INFO L404 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-01-20 23:33:33,143 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:33,143 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 23:33:33,144 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: true [2018-01-20 23:33:33,144 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:33,144 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:33,144 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 23:33:33,144 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 23:33:33,144 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:33,144 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:33,144 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:33,144 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 23:33:33,144 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 23:33:33,145 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:33,145 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 23:33:33,145 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 23:33:33,145 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 23:33:33,145 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:33:33,145 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 23:33:33,145 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:33,145 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-20 23:33:33,145 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:33,145 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 23:33:33,145 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:33,146 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 23:33:33,146 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:33,146 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: false [2018-01-20 23:33:33,146 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:33,146 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:33,146 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:33,146 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:33,146 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 23:33:33,146 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:33,146 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 23:33:33,147 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 23:33:33,147 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:33:33,147 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 23:33:33,147 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 23:33:33,147 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-20 23:33:33,147 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:33,147 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 23:33:33,147 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 23:33:33,149 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:33,149 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:33,149 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:33,149 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:33,149 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:33,149 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:33,149 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:33,149 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-20 23:33:33,149 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:33,152 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 23:33:33,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-20 23:33:33,153 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:33,153 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:33,153 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-20 23:33:33,153 INFO L82 PathProgramCache]: Analyzing trace with hash 742240668, now seen corresponding path program 1 times [2018-01-20 23:33:33,153 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:33,154 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:33,154 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:33,154 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:33,154 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:33,163 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:33,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:33,169 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:33,170 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:33:33,170 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:33,170 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:33:33,170 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:33:33,170 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:33,171 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 23:33:33,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:33,182 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 23:33:33,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:33:33,182 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-01-20 23:33:33,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:33,184 INFO L225 Difference]: With dead ends: 354 [2018-01-20 23:33:33,184 INFO L226 Difference]: Without dead ends: 164 [2018-01-20 23:33:33,185 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:33,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-01-20 23:33:33,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-01-20 23:33:33,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-01-20 23:33:33,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 179 transitions. [2018-01-20 23:33:33,197 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 179 transitions. Word has length 16 [2018-01-20 23:33:33,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:33,197 INFO L432 AbstractCegarLoop]: Abstraction has 164 states and 179 transitions. [2018-01-20 23:33:33,197 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:33:33,197 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 179 transitions. [2018-01-20 23:33:33,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-01-20 23:33:33,201 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:33,201 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] [2018-01-20 23:33:33,201 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-20 23:33:33,201 INFO L82 PathProgramCache]: Analyzing trace with hash 884785413, now seen corresponding path program 1 times [2018-01-20 23:33:33,201 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:33,202 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:33,202 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:33,202 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:33,203 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:33,219 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:33,279 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:33,279 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:33,279 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:33,280 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 249 with the following transitions: [2018-01-20 23:33:33,280 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], [112], [118], [119], [120], [122], [126], [129], [132], [138], [139], [140], [141], [142], [143], [145], [147], [151], [154], [157], [163], [164], [165], [166], [167], [168], [170], [172], [176], [179], [182], [188], [189], [190], [191], [192], [193], [195], [196], [197], [199], [200], [202], [204], [206], [207], [208], [209], [210], [211], [212], [213], [214], [215], [216], [218], [220], [223], [225], [227], [228], [229], [230], [232], [236], [237], [239], [240], [241], [242], [243], [247], [253], [259], [263], [264], [266], [267], [268], [269], [270], [274], [280], [282], [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], [320], [321] [2018-01-20 23:33:33,285 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:33:33,285 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:33:33,574 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:33:33,574 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:33:33,577 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:33:33,858 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:33:33,859 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:33:33,919 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:33:33,919 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:33,919 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:33:33,919 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:33,920 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:33:33,920 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:33:33,920 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:33,920 INFO L87 Difference]: Start difference. First operand 164 states and 179 transitions. Second operand 6 states. [2018-01-20 23:33:38,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:38,036 INFO L93 Difference]: Finished difference Result 164 states and 179 transitions. [2018-01-20 23:33:38,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:33:38,037 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 248 [2018-01-20 23:33:38,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:38,037 INFO L225 Difference]: With dead ends: 164 [2018-01-20 23:33:38,037 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:33:38,038 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 247 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:38,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:33:38,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:33:38,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:33:38,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:33:38,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 248 [2018-01-20 23:33:38,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:38,039 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:33:38,039 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:33:38,039 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:33:38,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:33:38,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:33:38,079 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:38,079 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:38,079 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:38,079 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 23:33:38,079 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:33:38,079 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 23:33:38,080 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 23:33:38,080 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-20 23:33:38,080 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 23:33:38,080 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:38,080 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 23:33:38,080 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 23:33:38,080 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 23:33:38,080 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:38,080 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 23:33:38,080 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:38,080 INFO L404 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: true [2018-01-20 23:33:38,080 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:33:38,080 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:38,080 INFO L404 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-01-20 23:33:38,080 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:38,080 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 23:33:38,081 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: true [2018-01-20 23:33:38,081 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:38,081 INFO L404 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-01-20 23:33:38,081 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 23:33:38,081 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 23:33:38,081 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:33:38,081 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:33:38,081 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:33:38,081 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:33:38,081 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:38,081 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:38,081 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 23:33:38,081 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 23:33:38,081 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-20 23:33:38,081 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:33:38,081 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 23:33:38,081 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 23:33:38,082 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:38,082 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:38,082 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 23:33:38,082 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:33:38,082 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 23:33:38,082 INFO L404 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-01-20 23:33:38,082 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:38,082 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:38,082 INFO L404 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: true [2018-01-20 23:33:38,082 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:38,082 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:33:38,082 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:33:38,082 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: true [2018-01-20 23:33:38,082 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 23:33:38,082 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 23:33:38,082 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 23:33:38,082 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 23:33:38,083 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:38,083 INFO L404 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: true [2018-01-20 23:33:38,083 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:38,083 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:33:38,083 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:38,083 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:33:38,083 INFO L404 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-01-20 23:33:38,083 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:38,083 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:38,083 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:38,083 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:33:38,083 INFO L404 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: true [2018-01-20 23:33:38,083 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:38,083 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 23:33:38,083 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:33:38,083 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:33:38,084 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:38,084 INFO L404 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-01-20 23:33:38,084 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 23:33:38,084 INFO L404 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2018-01-20 23:33:38,084 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: true [2018-01-20 23:33:38,084 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 23:33:38,084 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 23:33:38,084 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:38,084 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:38,084 INFO L404 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: true [2018-01-20 23:33:38,084 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:38,084 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:38,084 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:38,084 INFO L404 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: true [2018-01-20 23:33:38,084 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:33:38,084 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:33:38,084 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 23:33:38,085 INFO L404 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-01-20 23:33:38,085 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 23:33:38,085 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: true [2018-01-20 23:33:38,085 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:38,085 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:38,085 INFO L404 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: true [2018-01-20 23:33:38,085 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:38,085 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:38,085 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 23:33:38,085 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 23:33:38,085 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:38,085 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:38,085 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:33:38,085 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:38,085 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 23:33:38,085 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 23:33:38,086 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:38,086 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 23:33:38,086 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 23:33:38,086 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 23:33:38,086 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 23:33:38,086 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 23:33:38,086 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-20 23:33:38,086 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:38,086 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:33:38,086 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:33:38,086 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:33:38,086 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:38,086 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:38,086 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:33:38,086 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:33:38,086 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 23:33:38,086 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:38,087 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:33:38,087 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:33:38,087 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:38,087 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:33:38,087 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:33:38,087 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:33:38,087 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:33:38,087 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:38,087 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:33:38,087 INFO L404 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: true [2018-01-20 23:33:38,087 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:33:38,087 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:33:38,087 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 23:33:38,087 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: true [2018-01-20 23:33:38,087 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 23:33:38,087 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:38,088 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 23:33:38,088 INFO L404 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-01-20 23:33:38,088 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:38,088 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 23:33:38,088 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: true [2018-01-20 23:33:38,088 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:38,088 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:38,088 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 23:33:38,088 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 23:33:38,088 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:38,088 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:38,088 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:38,088 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 23:33:38,088 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 23:33:38,088 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:38,088 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 23:33:38,089 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 23:33:38,089 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 23:33:38,089 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:33:38,089 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 23:33:38,089 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:38,089 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-20 23:33:38,089 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:38,089 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 23:33:38,089 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:38,089 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 23:33:38,089 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:38,089 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: false [2018-01-20 23:33:38,089 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:38,089 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:38,089 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:38,089 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:38,089 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 23:33:38,090 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:38,090 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 23:33:38,090 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 23:33:38,090 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:33:38,090 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 23:33:38,090 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 23:33:38,090 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-20 23:33:38,090 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:38,090 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 23:33:38,090 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 23:33:38,091 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:38,091 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:38,091 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:38,091 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:38,091 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:38,091 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:38,091 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:38,091 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l3_insertErr0EnsuresViolation======== [2018-01-20 23:33:38,091 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:38,092 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 23:33:38,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-01-20 23:33:38,093 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:38,094 INFO L322 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:38,094 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l3_insertErr0EnsuresViolation]=== [2018-01-20 23:33:38,094 INFO L82 PathProgramCache]: Analyzing trace with hash -138312325, now seen corresponding path program 1 times [2018-01-20 23:33:38,094 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:38,094 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:38,095 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:38,095 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:38,095 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:38,104 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:38,128 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:38,128 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:38,128 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:38,128 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-01-20 23:33:38,129 INFO L201 CegarAbsIntRunner]: [48], [88], [90], [94], [112], [118], [119], [120], [122], [126], [145], [147], [161], [163], [164], [165], [166], [167], [169], [170], [172], [176], [195], [196], [197], [199], [200], [218], [220], [224], [225], [227], [228], [229], [230], [284], [290], [291], [292], [294], [295], [296], [298], [299], [302], [303], [304], [306], [307], [312], [313], [316], [317], [318] [2018-01-20 23:33:38,130 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:33:38,130 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:33:38,476 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:33:38,476 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:33:38,483 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:33:38,766 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:33:38,766 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:33:38,811 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:33:38,811 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:38,811 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:33:38,811 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:38,811 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:33:38,811 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:33:38,811 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:38,812 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 6 states. [2018-01-20 23:33:42,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:42,987 INFO L93 Difference]: Finished difference Result 181 states and 207 transitions. [2018-01-20 23:33:42,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:33:42,988 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2018-01-20 23:33:42,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:42,988 INFO L225 Difference]: With dead ends: 181 [2018-01-20 23:33:42,988 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:33:42,989 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 [2018-01-20 23:33:42,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:33:42,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:33:42,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:33:42,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:33:42,990 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2018-01-20 23:33:42,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:42,990 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:33:42,990 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:33:42,990 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:33:42,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:33:42,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:33:43,034 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:43,034 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:43,034 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:43,034 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 23:33:43,035 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:33:43,035 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 23:33:43,035 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 23:33:43,035 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-20 23:33:43,035 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 23:33:43,035 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:43,035 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 23:33:43,035 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 23:33:43,035 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 23:33:43,035 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:43,036 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 23:33:43,036 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:43,036 INFO L404 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: true [2018-01-20 23:33:43,036 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:33:43,036 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:43,036 INFO L404 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-01-20 23:33:43,036 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:43,036 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 23:33:43,036 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: true [2018-01-20 23:33:43,036 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:43,037 INFO L404 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-01-20 23:33:43,037 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 23:33:43,037 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 23:33:43,037 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:33:43,037 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:33:43,037 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:33:43,037 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:33:43,037 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:43,037 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:43,037 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 23:33:43,038 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 23:33:43,038 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-20 23:33:43,038 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:33:43,038 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 23:33:43,038 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 23:33:43,038 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:43,038 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:43,038 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 23:33:43,038 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:33:43,038 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 23:33:43,039 INFO L404 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-01-20 23:33:43,039 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:43,039 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:43,039 INFO L404 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: true [2018-01-20 23:33:43,039 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:43,039 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:33:43,040 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:33:43,040 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: true [2018-01-20 23:33:43,040 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 23:33:43,040 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 23:33:43,040 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 23:33:43,040 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 23:33:43,040 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:43,040 INFO L404 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: true [2018-01-20 23:33:43,040 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:43,040 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:33:43,041 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:43,041 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:33:43,041 INFO L404 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-01-20 23:33:43,041 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:43,041 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:43,041 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:43,041 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:33:43,041 INFO L404 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: true [2018-01-20 23:33:43,041 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:43,041 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 23:33:43,041 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:33:43,042 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:33:43,042 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:43,042 INFO L404 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-01-20 23:33:43,042 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 23:33:43,042 INFO L404 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2018-01-20 23:33:43,042 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: true [2018-01-20 23:33:43,042 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 23:33:43,042 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 23:33:43,042 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:43,042 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:43,043 INFO L404 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: true [2018-01-20 23:33:43,043 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:43,043 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:43,043 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:43,043 INFO L404 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: true [2018-01-20 23:33:43,043 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:33:43,043 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:33:43,043 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 23:33:43,043 INFO L404 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-01-20 23:33:43,043 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 23:33:43,044 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: true [2018-01-20 23:33:43,044 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:43,044 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:43,044 INFO L404 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: true [2018-01-20 23:33:43,044 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:43,044 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:43,044 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 23:33:43,044 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 23:33:43,044 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:43,044 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:43,044 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:33:43,045 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:43,045 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 23:33:43,045 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 23:33:43,045 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:43,045 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 23:33:43,045 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 23:33:43,045 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 23:33:43,045 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 23:33:43,045 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 23:33:43,045 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-20 23:33:43,046 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:43,046 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:33:43,046 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:33:43,046 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:33:43,046 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:43,046 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:43,046 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:33:43,046 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:33:43,046 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 23:33:43,046 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:43,046 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:33:43,047 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:33:43,047 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:43,047 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:33:43,047 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:33:43,047 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:33:43,047 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:33:43,047 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:43,047 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:33:43,047 INFO L404 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: true [2018-01-20 23:33:43,047 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:33:43,047 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:33:43,048 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 23:33:43,048 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: true [2018-01-20 23:33:43,048 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 23:33:43,048 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:43,048 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 23:33:43,048 INFO L404 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-01-20 23:33:43,048 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:43,048 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 23:33:43,048 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: true [2018-01-20 23:33:43,048 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:43,049 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:43,049 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 23:33:43,049 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 23:33:43,049 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:43,049 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:43,049 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:43,049 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 23:33:43,049 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 23:33:43,049 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:43,049 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 23:33:43,049 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 23:33:43,050 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 23:33:43,050 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:33:43,050 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 23:33:43,050 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:43,050 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-20 23:33:43,050 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:43,050 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 23:33:43,050 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:43,050 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 23:33:43,050 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:43,051 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: false [2018-01-20 23:33:43,051 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:43,051 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:43,051 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:43,051 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:43,051 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 23:33:43,051 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:43,051 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 23:33:43,051 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 23:33:43,051 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:33:43,051 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 23:33:43,052 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 23:33:43,052 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-20 23:33:43,052 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:43,052 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 23:33:43,052 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 23:33:43,053 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:43,053 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:43,053 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:43,053 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:43,054 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:43,054 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:43,054 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:43,054 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l1_insertErr0EnsuresViolation======== [2018-01-20 23:33:43,054 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:43,055 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 23:33:43,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-01-20 23:33:43,057 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:43,057 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:43,057 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l1_insertErr0EnsuresViolation]=== [2018-01-20 23:33:43,057 INFO L82 PathProgramCache]: Analyzing trace with hash 470535462, now seen corresponding path program 1 times [2018-01-20 23:33:43,057 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:43,058 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:43,058 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:43,059 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:43,059 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:43,066 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:43,079 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:43,080 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:43,109 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:43,110 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 59 with the following transitions: [2018-01-20 23:33:43,110 INFO L201 CegarAbsIntRunner]: [48], [88], [90], [94], [112], [118], [119], [170], [172], [186], [188], [189], [190], [191], [192], [194], [195], [196], [197], [199], [200], [218], [220], [224], [225], [227], [228], [229], [230], [284], [290], [291], [292], [302], [303], [306], [307], [312], [313], [316], [317], [318] [2018-01-20 23:33:43,111 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:33:43,111 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:33:43,494 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:33:43,495 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:33:43,497 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:33:43,766 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:33:43,767 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:33:43,818 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:33:43,818 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:43,818 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:33:43,818 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:43,818 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:33:43,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:33:43,818 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:43,819 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 6 states. [2018-01-20 23:33:47,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:47,999 INFO L93 Difference]: Finished difference Result 181 states and 207 transitions. [2018-01-20 23:33:47,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:33:47,999 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-01-20 23:33:47,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:47,999 INFO L225 Difference]: With dead ends: 181 [2018-01-20 23:33:47,999 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:33:47,999 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:47,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:33:48,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:33:48,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:33:48,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:33:48,000 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-01-20 23:33:48,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:48,000 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:33:48,000 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:33:48,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:33:48,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:33:48,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:33:48,024 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:48,025 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:48,025 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:48,025 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 23:33:48,025 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:33:48,025 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 23:33:48,025 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 23:33:48,025 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-20 23:33:48,025 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 23:33:48,025 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:48,025 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 23:33:48,025 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 23:33:48,025 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 23:33:48,025 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:48,025 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 23:33:48,026 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:48,026 INFO L404 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: true [2018-01-20 23:33:48,026 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:33:48,026 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:48,026 INFO L404 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-01-20 23:33:48,026 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:48,026 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 23:33:48,026 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: true [2018-01-20 23:33:48,026 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:48,026 INFO L404 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-01-20 23:33:48,026 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 23:33:48,026 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 23:33:48,026 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:33:48,026 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:33:48,026 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:33:48,026 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:33:48,026 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:48,027 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:48,027 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 23:33:48,027 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 23:33:48,027 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-20 23:33:48,027 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:33:48,027 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 23:33:48,027 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 23:33:48,027 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:48,027 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:48,027 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 23:33:48,027 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:33:48,027 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 23:33:48,027 INFO L404 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-01-20 23:33:48,027 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:48,027 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:48,027 INFO L404 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: true [2018-01-20 23:33:48,028 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:48,028 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:33:48,028 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:33:48,028 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: true [2018-01-20 23:33:48,028 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 23:33:48,028 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 23:33:48,028 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 23:33:48,028 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 23:33:48,028 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:48,028 INFO L404 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: true [2018-01-20 23:33:48,028 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:48,028 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:33:48,028 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:48,028 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:33:48,028 INFO L404 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-01-20 23:33:48,028 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:48,029 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:48,029 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:48,029 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:33:48,029 INFO L404 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: true [2018-01-20 23:33:48,029 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:48,029 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 23:33:48,037 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:33:48,037 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:33:48,037 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:48,038 INFO L404 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-01-20 23:33:48,038 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 23:33:48,038 INFO L404 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2018-01-20 23:33:48,038 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: true [2018-01-20 23:33:48,038 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 23:33:48,038 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 23:33:48,038 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:48,038 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:48,038 INFO L404 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: true [2018-01-20 23:33:48,038 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:48,038 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:48,038 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:48,038 INFO L404 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: true [2018-01-20 23:33:48,038 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:33:48,038 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:33:48,038 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 23:33:48,039 INFO L404 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-01-20 23:33:48,039 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 23:33:48,039 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: true [2018-01-20 23:33:48,039 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:48,039 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:48,039 INFO L404 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: true [2018-01-20 23:33:48,039 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:48,039 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:48,039 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 23:33:48,039 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 23:33:48,039 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:48,039 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:48,039 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:33:48,039 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:48,039 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 23:33:48,039 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 23:33:48,039 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:48,040 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 23:33:48,040 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 23:33:48,040 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 23:33:48,040 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 23:33:48,040 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 23:33:48,040 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-20 23:33:48,040 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:48,040 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:33:48,040 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:33:48,040 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:33:48,040 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:48,040 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:48,040 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:33:48,040 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:33:48,040 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 23:33:48,040 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:48,041 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:33:48,041 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:33:48,041 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:48,041 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:33:48,041 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:33:48,041 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:33:48,041 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:33:48,041 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:48,041 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:33:48,041 INFO L404 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: true [2018-01-20 23:33:48,041 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:33:48,041 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:33:48,041 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 23:33:48,041 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: true [2018-01-20 23:33:48,041 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 23:33:48,041 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:48,041 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 23:33:48,042 INFO L404 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-01-20 23:33:48,042 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:48,042 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 23:33:48,042 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: true [2018-01-20 23:33:48,042 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:48,042 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:48,042 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 23:33:48,042 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 23:33:48,042 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:48,042 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:48,042 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:48,042 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 23:33:48,042 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 23:33:48,042 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:48,042 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 23:33:48,042 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 23:33:48,042 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 23:33:48,043 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:33:48,043 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 23:33:48,043 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:48,043 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-20 23:33:48,043 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:48,043 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 23:33:48,043 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:48,043 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 23:33:48,043 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:48,043 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: false [2018-01-20 23:33:48,043 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:48,043 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:48,043 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:48,043 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:48,043 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 23:33:48,043 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:48,043 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 23:33:48,044 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 23:33:48,044 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:33:48,044 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 23:33:48,044 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 23:33:48,044 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-20 23:33:48,044 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:48,044 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 23:33:48,044 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 23:33:48,045 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:48,045 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:48,045 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:48,045 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:48,046 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:48,046 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:48,046 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:48,046 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l0_destroyErr0EnsuresViolation======== [2018-01-20 23:33:48,046 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:48,047 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 23:33:48,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-20 23:33:48,047 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:48,047 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:48,047 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l0_destroyErr0EnsuresViolation]=== [2018-01-20 23:33:48,048 INFO L82 PathProgramCache]: Analyzing trace with hash 865621350, now seen corresponding path program 1 times [2018-01-20 23:33:48,048 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:48,048 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:48,048 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:48,048 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:48,048 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:48,051 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:48,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:48,055 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:48,055 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:33:48,055 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:48,055 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:33:48,055 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:33:48,055 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:48,055 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 23:33:48,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:48,065 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 23:33:48,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:33:48,065 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-01-20 23:33:48,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:48,067 INFO L225 Difference]: With dead ends: 354 [2018-01-20 23:33:48,067 INFO L226 Difference]: Without dead ends: 161 [2018-01-20 23:33:48,067 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:48,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-01-20 23:33:48,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-01-20 23:33:48,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-01-20 23:33:48,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 176 transitions. [2018-01-20 23:33:48,078 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 176 transitions. Word has length 13 [2018-01-20 23:33:48,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:48,078 INFO L432 AbstractCegarLoop]: Abstraction has 161 states and 176 transitions. [2018-01-20 23:33:48,078 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:33:48,078 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 176 transitions. [2018-01-20 23:33:48,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-01-20 23:33:48,080 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:48,110 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] [2018-01-20 23:33:48,110 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l0_destroyErr0EnsuresViolation]=== [2018-01-20 23:33:48,110 INFO L82 PathProgramCache]: Analyzing trace with hash 411346589, now seen corresponding path program 1 times [2018-01-20 23:33:48,110 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:48,111 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:48,111 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:48,111 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:48,111 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:48,121 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:48,159 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:48,159 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:48,159 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:48,160 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 246 with the following transitions: [2018-01-20 23:33:48,160 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], [112], [118], [119], [120], [122], [126], [129], [132], [138], [139], [140], [141], [142], [143], [145], [147], [151], [154], [157], [163], [164], [165], [166], [167], [168], [170], [172], [176], [179], [182], [188], [189], [190], [191], [192], [193], [195], [196], [197], [199], [200], [202], [204], [206], [207], [208], [209], [210], [211], [212], [213], [214], [215], [216], [218], [220], [223], [225], [227], [228], [229], [230], [232], [236], [237], [239], [240], [241], [242], [243], [247], [253], [259], [263], [264], [266], [267], [268], [269], [270], [274], [280], [282], [283], [284], [285], [286], [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], [320], [321] [2018-01-20 23:33:48,163 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:33:48,163 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:33:48,397 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:33:48,397 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:33:48,402 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:33:48,693 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:33:48,694 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:33:48,750 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:33:48,751 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:48,751 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:33:48,751 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:48,751 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:33:48,751 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:33:48,752 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:48,752 INFO L87 Difference]: Start difference. First operand 161 states and 176 transitions. Second operand 6 states. [2018-01-20 23:33:52,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:52,812 INFO L93 Difference]: Finished difference Result 161 states and 176 transitions. [2018-01-20 23:33:52,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:33:52,812 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 245 [2018-01-20 23:33:52,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:52,813 INFO L225 Difference]: With dead ends: 161 [2018-01-20 23:33:52,813 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:33:52,813 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 244 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:52,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:33:52,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:33:52,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:33:52,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:33:52,814 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2018-01-20 23:33:52,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:52,814 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:33:52,814 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:33:52,814 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:33:52,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:33:52,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:33:52,855 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:52,855 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:52,855 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:52,855 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 23:33:52,855 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:33:52,855 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 23:33:52,855 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 23:33:52,855 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-20 23:33:52,855 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 23:33:52,855 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:52,855 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 23:33:52,855 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 23:33:52,856 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 23:33:52,856 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:52,856 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 23:33:52,856 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:52,856 INFO L404 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: true [2018-01-20 23:33:52,856 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:33:52,856 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:52,856 INFO L404 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-01-20 23:33:52,856 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:52,856 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 23:33:52,856 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: true [2018-01-20 23:33:52,856 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:52,856 INFO L404 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-01-20 23:33:52,856 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 23:33:52,856 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 23:33:52,856 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:33:52,857 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:33:52,857 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:33:52,857 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:33:52,857 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:52,857 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:52,857 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 23:33:52,857 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 23:33:52,857 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-20 23:33:52,857 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:33:52,857 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 23:33:52,857 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 23:33:52,857 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:52,857 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:52,857 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 23:33:52,857 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:33:52,857 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 23:33:52,857 INFO L404 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-01-20 23:33:52,857 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:52,858 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:52,858 INFO L404 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: true [2018-01-20 23:33:52,858 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:52,858 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:33:52,858 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:33:52,858 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: true [2018-01-20 23:33:52,858 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 23:33:52,858 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 23:33:52,858 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 23:33:52,858 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 23:33:52,858 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:52,858 INFO L404 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: true [2018-01-20 23:33:52,858 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:52,858 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:33:52,858 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:52,858 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:33:52,858 INFO L404 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-01-20 23:33:52,859 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:52,859 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:52,859 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:52,859 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:33:52,859 INFO L404 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: true [2018-01-20 23:33:52,859 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:52,859 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 23:33:52,859 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:33:52,859 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:33:52,859 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:52,859 INFO L404 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-01-20 23:33:52,859 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 23:33:52,859 INFO L404 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2018-01-20 23:33:52,859 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: true [2018-01-20 23:33:52,859 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 23:33:52,859 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 23:33:52,859 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:52,860 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:52,860 INFO L404 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: true [2018-01-20 23:33:52,860 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:52,860 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:52,860 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:52,860 INFO L404 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: true [2018-01-20 23:33:52,860 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:33:52,860 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:33:52,860 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 23:33:52,860 INFO L404 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-01-20 23:33:52,860 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 23:33:52,860 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: true [2018-01-20 23:33:52,860 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:52,860 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:52,860 INFO L404 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: true [2018-01-20 23:33:52,860 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:52,861 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:52,861 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 23:33:52,861 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 23:33:52,861 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:52,861 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:52,861 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:33:52,861 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:52,861 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 23:33:52,861 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 23:33:52,861 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:52,861 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 23:33:52,861 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 23:33:52,861 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 23:33:52,861 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 23:33:52,861 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 23:33:52,861 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-20 23:33:52,862 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:52,862 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:33:52,862 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:33:52,862 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:33:52,862 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:52,862 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:52,862 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:33:52,862 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:33:52,862 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 23:33:52,862 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:52,862 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:33:52,862 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:33:52,862 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:52,862 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:33:52,862 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:33:52,862 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:33:52,862 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:33:52,863 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:52,863 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:33:52,863 INFO L404 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: true [2018-01-20 23:33:52,863 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:33:52,863 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:33:52,863 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 23:33:52,863 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: true [2018-01-20 23:33:52,863 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 23:33:52,863 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:52,863 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 23:33:52,863 INFO L404 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-01-20 23:33:52,863 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:52,863 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 23:33:52,863 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: true [2018-01-20 23:33:52,863 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:52,863 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:52,863 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 23:33:52,864 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 23:33:52,864 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:52,864 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:52,864 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:52,864 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 23:33:52,864 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 23:33:52,864 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:52,864 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 23:33:52,864 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 23:33:52,864 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 23:33:52,864 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:33:52,864 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 23:33:52,864 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:52,864 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-20 23:33:52,864 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:52,864 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 23:33:52,865 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:52,865 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 23:33:52,865 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:52,865 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: false [2018-01-20 23:33:52,865 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:52,865 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:52,865 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:52,865 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:52,865 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 23:33:52,865 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:52,865 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 23:33:52,865 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 23:33:52,865 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:33:52,865 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 23:33:52,865 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 23:33:52,865 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-20 23:33:52,866 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:52,866 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 23:33:52,866 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 23:33:52,867 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:52,867 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:52,867 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:52,867 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:52,867 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:52,867 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:52,867 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:52,867 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == calloc_modelErr0EnsuresViolation======== [2018-01-20 23:33:52,867 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:52,868 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 23:33:52,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-20 23:33:52,869 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:52,869 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:52,869 INFO L371 AbstractCegarLoop]: === Iteration 1 === [calloc_modelErr0EnsuresViolation]=== [2018-01-20 23:33:52,869 INFO L82 PathProgramCache]: Analyzing trace with hash 94428420, now seen corresponding path program 1 times [2018-01-20 23:33:52,869 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:52,870 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:52,870 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:52,870 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:52,870 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:52,874 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:52,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:52,980 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:52,980 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:33:52,980 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:52,980 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-20 23:33:52,980 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-20 23:33:52,980 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-20 23:33:52,980 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 5 states. [2018-01-20 23:33:53,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:53,043 INFO L93 Difference]: Finished difference Result 181 states and 207 transitions. [2018-01-20 23:33:53,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-20 23:33:53,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-01-20 23:33:53,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:53,044 INFO L225 Difference]: With dead ends: 181 [2018-01-20 23:33:53,044 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:33:53,044 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-20 23:33:53,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:33:53,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:33:53,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:33:53,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:33:53,045 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2018-01-20 23:33:53,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:53,045 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:33:53,045 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-20 23:33:53,045 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:33:53,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:33:53,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:33:53,159 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:53,159 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:53,199 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:53,199 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 23:33:53,199 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:33:53,199 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 23:33:53,199 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 23:33:53,199 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-20 23:33:53,199 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 23:33:53,199 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:53,199 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 23:33:53,199 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 23:33:53,199 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 23:33:53,199 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:53,200 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 23:33:53,200 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:53,200 INFO L404 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: true [2018-01-20 23:33:53,200 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:33:53,200 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:53,200 INFO L404 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-01-20 23:33:53,200 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:53,200 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 23:33:53,200 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: true [2018-01-20 23:33:53,200 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:53,200 INFO L404 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-01-20 23:33:53,200 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 23:33:53,200 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 23:33:53,200 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:33:53,200 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:33:53,200 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:33:53,201 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:33:53,201 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:53,201 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:53,201 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 23:33:53,201 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 23:33:53,201 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-20 23:33:53,201 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:33:53,201 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 23:33:53,201 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 23:33:53,201 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:53,201 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:53,201 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 23:33:53,201 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:33:53,201 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 23:33:53,201 INFO L404 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-01-20 23:33:53,201 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:53,201 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:53,201 INFO L404 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: true [2018-01-20 23:33:53,202 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:53,202 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:33:53,202 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:33:53,202 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: true [2018-01-20 23:33:53,202 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 23:33:53,202 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 23:33:53,202 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 23:33:53,202 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 23:33:53,202 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:53,202 INFO L404 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: true [2018-01-20 23:33:53,202 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:53,202 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:33:53,202 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:53,202 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:33:53,202 INFO L404 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-01-20 23:33:53,202 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:53,202 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:53,203 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:53,203 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:33:53,203 INFO L404 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: true [2018-01-20 23:33:53,203 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:53,203 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 23:33:53,203 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:33:53,203 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:33:53,203 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:53,203 INFO L404 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-01-20 23:33:53,203 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 23:33:53,203 INFO L404 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2018-01-20 23:33:53,203 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: true [2018-01-20 23:33:53,203 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 23:33:53,203 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 23:33:53,203 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:53,203 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:53,203 INFO L404 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: true [2018-01-20 23:33:53,204 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:53,204 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:53,204 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:53,204 INFO L404 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: true [2018-01-20 23:33:53,204 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:33:53,204 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:33:53,204 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 23:33:53,204 INFO L404 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-01-20 23:33:53,204 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 23:33:53,204 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: true [2018-01-20 23:33:53,204 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:53,204 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:53,204 INFO L404 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: true [2018-01-20 23:33:53,204 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:53,204 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:53,204 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 23:33:53,204 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 23:33:53,204 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:53,205 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:53,205 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:33:53,205 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:53,205 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 23:33:53,205 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 23:33:53,205 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:53,205 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 23:33:53,205 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 23:33:53,205 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 23:33:53,205 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 23:33:53,205 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 23:33:53,205 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-20 23:33:53,205 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:53,205 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:33:53,205 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:33:53,205 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:33:53,205 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:53,206 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:53,206 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:33:53,206 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:33:53,206 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 23:33:53,206 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:53,206 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:33:53,206 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:33:53,206 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:53,206 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:33:53,206 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:33:53,206 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:33:53,206 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:33:53,206 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:53,206 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:33:53,206 INFO L404 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: true [2018-01-20 23:33:53,206 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:33:53,206 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:33:53,206 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 23:33:53,207 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: true [2018-01-20 23:33:53,207 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 23:33:53,207 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:53,207 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 23:33:53,207 INFO L404 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-01-20 23:33:53,207 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:53,207 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 23:33:53,207 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: true [2018-01-20 23:33:53,207 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:53,207 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:53,207 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 23:33:53,207 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 23:33:53,207 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:53,207 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:53,207 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:53,207 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 23:33:53,207 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 23:33:53,208 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:53,208 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 23:33:53,208 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 23:33:53,208 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 23:33:53,208 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:33:53,208 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 23:33:53,208 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:53,208 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-20 23:33:53,208 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:53,208 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 23:33:53,208 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:53,208 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 23:33:53,208 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:53,208 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: false [2018-01-20 23:33:53,208 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:53,208 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:53,208 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:53,208 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:53,209 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 23:33:53,209 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:53,209 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 23:33:53,209 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 23:33:53,209 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:33:53,209 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 23:33:53,209 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 23:33:53,209 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-20 23:33:53,209 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:53,209 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 23:33:53,209 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 23:33:53,210 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:53,210 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:53,210 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:53,210 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:53,210 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:53,210 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:53,210 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:53,210 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l4_insertErr0EnsuresViolation======== [2018-01-20 23:33:53,210 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:53,211 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 23:33:53,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-01-20 23:33:53,213 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:53,213 INFO L322 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:53,213 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l4_insertErr0EnsuresViolation]=== [2018-01-20 23:33:53,213 INFO L82 PathProgramCache]: Analyzing trace with hash -973214893, now seen corresponding path program 1 times [2018-01-20 23:33:53,213 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:53,214 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:53,214 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:53,215 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:53,215 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:53,229 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:53,257 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:53,257 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:53,257 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:53,257 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-01-20 23:33:53,258 INFO L201 CegarAbsIntRunner]: [48], [88], [90], [94], [112], [118], [119], [120], [122], [126], [145], [147], [151], [170], [172], [176], [195], [196], [197], [199], [200], [202], [204], [206], [207], [208], [209], [210], [211], [212], [213], [214], [215], [217], [218], [220], [224], [225], [227], [228], [229], [230], [284], [290], [291], [292], [294], [295], [296], [298], [299], [300], [302], [303], [304], [306], [307], [308], [309], [310], [311], [312], [313], [316], [317], [318] [2018-01-20 23:33:53,259 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:33:53,259 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:33:53,587 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:33:53,587 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:33:53,591 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:33:53,993 INFO L232 lantSequenceWeakener]: Weakened 1 states. On average, predicates are now at 41.67% of their original sizes. [2018-01-20 23:33:53,993 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:33:54,081 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:33:54,081 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:54,081 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:33:54,081 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:54,082 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:33:54,082 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:33:54,082 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:54,082 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 6 states. [2018-01-20 23:33:58,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:58,386 INFO L93 Difference]: Finished difference Result 181 states and 207 transitions. [2018-01-20 23:33:58,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:33:58,422 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-01-20 23:33:58,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:58,422 INFO L225 Difference]: With dead ends: 181 [2018-01-20 23:33:58,422 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:33:58,422 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:58,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:33:58,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:33:58,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:33:58,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:33:58,423 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 146 [2018-01-20 23:33:58,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:58,423 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:33:58,423 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:33:58,423 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:33:58,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:33:58,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:33:58,465 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:58,465 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:58,465 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:58,465 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 23:33:58,466 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:33:58,466 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 23:33:58,466 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 23:33:58,466 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-20 23:33:58,466 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 23:33:58,466 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:58,466 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 23:33:58,466 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 23:33:58,466 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 23:33:58,466 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:58,466 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 23:33:58,466 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:58,466 INFO L404 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: true [2018-01-20 23:33:58,466 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:33:58,466 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:58,466 INFO L404 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-01-20 23:33:58,466 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:58,467 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 23:33:58,467 INFO L404 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: true [2018-01-20 23:33:58,467 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:58,467 INFO L404 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-01-20 23:33:58,467 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 23:33:58,467 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 23:33:58,467 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:33:58,467 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:33:58,467 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:33:58,467 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:33:58,467 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:58,467 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:58,467 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 23:33:58,467 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 23:33:58,467 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-20 23:33:58,467 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:33:58,468 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 23:33:58,468 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 23:33:58,468 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:58,468 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:58,468 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 23:33:58,468 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:33:58,468 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 23:33:58,468 INFO L404 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-01-20 23:33:58,468 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:58,468 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:58,468 INFO L404 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: true [2018-01-20 23:33:58,468 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:58,468 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:33:58,468 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:33:58,468 INFO L404 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: true [2018-01-20 23:33:58,468 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 23:33:58,468 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 23:33:58,468 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 23:33:58,469 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 23:33:58,469 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:58,469 INFO L404 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: true [2018-01-20 23:33:58,469 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:58,469 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:33:58,469 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:58,469 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:33:58,469 INFO L404 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-01-20 23:33:58,469 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:58,469 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:58,469 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:58,469 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:33:58,469 INFO L404 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: true [2018-01-20 23:33:58,469 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:58,469 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 23:33:58,469 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:33:58,470 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:33:58,470 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:58,470 INFO L404 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-01-20 23:33:58,470 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 23:33:58,470 INFO L404 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2018-01-20 23:33:58,470 INFO L404 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: true [2018-01-20 23:33:58,470 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 23:33:58,470 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 23:33:58,470 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:58,470 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:58,470 INFO L404 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: true [2018-01-20 23:33:58,470 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:58,470 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:58,470 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:58,470 INFO L404 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: true [2018-01-20 23:33:58,470 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:33:58,470 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:33:58,471 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 23:33:58,471 INFO L404 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-01-20 23:33:58,471 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 23:33:58,471 INFO L404 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: true [2018-01-20 23:33:58,471 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:58,471 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:58,471 INFO L404 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: true [2018-01-20 23:33:58,471 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:58,471 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:58,471 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 23:33:58,471 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 23:33:58,471 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:58,471 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:58,471 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:33:58,471 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:58,471 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 23:33:58,471 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 23:33:58,471 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:58,472 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 23:33:58,472 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 23:33:58,472 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 23:33:58,472 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 23:33:58,472 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 23:33:58,472 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-20 23:33:58,472 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:58,472 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:33:58,472 INFO L404 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: true [2018-01-20 23:33:58,472 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:33:58,472 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:58,472 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:58,472 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:33:58,472 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:33:58,472 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 23:33:58,472 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:58,472 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:33:58,473 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:33:58,473 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:58,473 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:33:58,473 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:33:58,473 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:33:58,473 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:33:58,473 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:58,473 INFO L404 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-01-20 23:33:58,473 INFO L404 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: true [2018-01-20 23:33:58,473 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:33:58,473 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:33:58,473 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 23:33:58,473 INFO L404 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: true [2018-01-20 23:33:58,473 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 23:33:58,473 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:58,473 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 23:33:58,473 INFO L404 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-01-20 23:33:58,474 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:58,474 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 23:33:58,474 INFO L404 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: true [2018-01-20 23:33:58,474 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:58,474 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:58,474 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 23:33:58,474 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 23:33:58,474 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:58,474 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (and (= |old(#NULL.offset)| |#NULL.offset|) (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(~#list~23.base)| |~#list~23.base|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~#list~23.offset)| |~#list~23.offset|)) [2018-01-20 23:33:58,474 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:58,474 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 23:33:58,474 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 23:33:58,474 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:58,474 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 23:33:58,474 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 23:33:58,474 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 23:33:58,475 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:33:58,475 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 23:33:58,475 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:58,475 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-20 23:33:58,475 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:58,475 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 23:33:58,475 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:58,475 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 23:33:58,475 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:58,475 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: false [2018-01-20 23:33:58,475 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:58,476 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:58,476 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:58,476 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:58,476 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 23:33:58,476 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:58,476 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 23:33:58,476 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 23:33:58,476 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:33:58,476 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 23:33:58,476 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 23:33:58,476 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-20 23:33:58,477 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:58,477 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 23:33:58,477 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 23:33:58,477 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:58,478 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:58,478 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:58,478 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:58,478 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:58,478 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:58,478 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:58,478 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == zalloc_or_dieErr0EnsuresViolation======== [2018-01-20 23:33:58,478 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:58,479 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 23:33:58,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-20 23:33:58,480 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:58,480 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:58,480 INFO L371 AbstractCegarLoop]: === Iteration 1 === [zalloc_or_dieErr0EnsuresViolation]=== [2018-01-20 23:33:58,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1621508488, now seen corresponding path program 1 times [2018-01-20 23:33:58,480 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:58,481 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:58,481 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:58,481 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:58,481 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:58,485 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:58,492 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:58,492 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:58,492 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:58,493 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2018-01-20 23:33:58,493 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-20 23:33:58,493 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:58,493 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 23:33:58,499 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:58,499 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-20 23:33:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:58,523 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 23:33:58,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:58,526 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-20 23:33:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:58,566 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:58,567 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-01-20 23:33:58,567 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:58,567 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:33:58,567 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:33:58,567 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:58,567 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 23:33:58,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:58,575 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 23:33:58,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:33:58,575 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-01-20 23:33:58,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:58,576 INFO L225 Difference]: With dead ends: 354 [2018-01-20 23:33:58,576 INFO L226 Difference]: Without dead ends: 100 [2018-01-20 23:33:58,577 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:58,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-01-20 23:33:58,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-01-20 23:33:58,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-01-20 23:33:58,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-01-20 23:33:58,581 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 27 [2018-01-20 23:33:58,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:58,581 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-01-20 23:33:58,581 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:33:58,581 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-01-20 23:33:58,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-20 23:33:58,581 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:58,582 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:58,582 INFO L371 AbstractCegarLoop]: === Iteration 2 === [zalloc_or_dieErr0EnsuresViolation]=== [2018-01-20 23:33:58,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1621508457, now seen corresponding path program 1 times [2018-01-20 23:33:58,582 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:58,582 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:58,583 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:58,583 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:58,583 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:58,588 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:58,600 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:58,601 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:58,601 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:58,601 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2018-01-20 23:33:58,601 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-20 23:33:58,601 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:58,601 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 23:33:58,615 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:58,615 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-20 23:33:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:58,645 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 23:33:58,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:58,667 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-20 23:33:58,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:58,743 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:58,743 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-01-20 23:33:58,743 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:58,745 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 23:33:58,745 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 23:33:58,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 23:33:58,745 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand 3 states. [2018-01-20 23:33:58,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:58,832 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2018-01-20 23:33:58,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 23:33:58,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-01-20 23:33:58,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:58,833 INFO L225 Difference]: With dead ends: 100 [2018-01-20 23:33:58,833 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:33:58,834 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 23:33:58,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:33:58,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:33:58,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:33:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:33:58,835 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-01-20 23:33:58,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:58,835 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:33:58,835 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 23:33:58,835 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:33:58,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:33:58,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-20 23:33:58,936 INFO L401 ceAbstractionStarter]: For program point l3_destroyEXIT(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:58,936 INFO L401 ceAbstractionStarter]: For program point L836'''(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:58,936 INFO L401 ceAbstractionStarter]: For program point L836(lines 836 842) no Hoare annotation was computed. [2018-01-20 23:33:58,936 INFO L401 ceAbstractionStarter]: For program point L837''(line 837) no Hoare annotation was computed. [2018-01-20 23:33:58,937 INFO L401 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2018-01-20 23:33:58,937 INFO L401 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2018-01-20 23:33:58,937 INFO L404 ceAbstractionStarter]: At program point L836''(lines 836 842) the Hoare annotation is: true [2018-01-20 23:33:58,937 INFO L404 ceAbstractionStarter]: At program point l3_destroyENTRY(lines 834 843) the Hoare annotation is: true [2018-01-20 23:33:58,937 INFO L401 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-01-20 23:33:58,937 INFO L401 ceAbstractionStarter]: For program point l3_destroyErr0EnsuresViolation(lines 834 843) no Hoare annotation was computed. [2018-01-20 23:33:58,937 INFO L401 ceAbstractionStarter]: For program point L839'(line 839) no Hoare annotation was computed. [2018-01-20 23:33:58,937 INFO L404 ceAbstractionStarter]: At program point L837'(line 837) the Hoare annotation is: true [2018-01-20 23:33:58,937 INFO L401 ceAbstractionStarter]: For program point L838'(line 838) no Hoare annotation was computed. [2018-01-20 23:33:58,937 INFO L401 ceAbstractionStarter]: For program point L818'''(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:58,937 INFO L401 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2018-01-20 23:33:58,938 INFO L401 ceAbstractionStarter]: For program point l0_insertErr0EnsuresViolation(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:58,938 INFO L397 ceAbstractionStarter]: At program point L818''(lines 818 820) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,938 INFO L401 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2018-01-20 23:33:58,938 INFO L401 ceAbstractionStarter]: For program point L818(lines 818 820) no Hoare annotation was computed. [2018-01-20 23:33:58,938 INFO L397 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,938 INFO L401 ceAbstractionStarter]: For program point l0_insertEXIT(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:58,938 INFO L401 ceAbstractionStarter]: For program point L821'(line 821) no Hoare annotation was computed. [2018-01-20 23:33:58,938 INFO L397 ceAbstractionStarter]: At program point l0_insertENTRY(lines 815 823) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,938 INFO L401 ceAbstractionStarter]: For program point l0_insertFINAL(lines 815 823) no Hoare annotation was computed. [2018-01-20 23:33:58,938 INFO L397 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,939 INFO L401 ceAbstractionStarter]: For program point L819'(line 819) no Hoare annotation was computed. [2018-01-20 23:33:58,939 INFO L401 ceAbstractionStarter]: For program point L817'(line 817) no Hoare annotation was computed. [2018-01-20 23:33:58,939 INFO L404 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-20 23:33:58,939 INFO L404 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-01-20 23:33:58,939 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-20 23:33:58,939 INFO L401 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-20 23:33:58,939 INFO L401 ceAbstractionStarter]: For program point l4_destroyErr0EnsuresViolation(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:58,939 INFO L401 ceAbstractionStarter]: For program point l4_destroyEXIT(lines 824 833) no Hoare annotation was computed. [2018-01-20 23:33:58,939 INFO L401 ceAbstractionStarter]: For program point L827''(line 827) no Hoare annotation was computed. [2018-01-20 23:33:58,939 INFO L404 ceAbstractionStarter]: At program point L826''(lines 826 832) the Hoare annotation is: true [2018-01-20 23:33:58,939 INFO L404 ceAbstractionStarter]: At program point l4_destroyENTRY(lines 824 833) the Hoare annotation is: true [2018-01-20 23:33:58,939 INFO L401 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-01-20 23:33:58,940 INFO L401 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-01-20 23:33:58,940 INFO L401 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-01-20 23:33:58,940 INFO L401 ceAbstractionStarter]: For program point L826(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:58,940 INFO L401 ceAbstractionStarter]: For program point L826'''(lines 826 832) no Hoare annotation was computed. [2018-01-20 23:33:58,940 INFO L401 ceAbstractionStarter]: For program point L828'(line 828) no Hoare annotation was computed. [2018-01-20 23:33:58,940 INFO L401 ceAbstractionStarter]: For program point L829'(line 829) no Hoare annotation was computed. [2018-01-20 23:33:58,940 INFO L401 ceAbstractionStarter]: For program point L827'(line 827) no Hoare annotation was computed. [2018-01-20 23:33:58,940 INFO L397 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,940 INFO L401 ceAbstractionStarter]: For program point l2_insertErr0EnsuresViolation(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:58,940 INFO L401 ceAbstractionStarter]: For program point L798(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:58,940 INFO L397 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,941 INFO L401 ceAbstractionStarter]: For program point L798'''(lines 798 800) no Hoare annotation was computed. [2018-01-20 23:33:58,941 INFO L401 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2018-01-20 23:33:58,941 INFO L401 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2018-01-20 23:33:58,941 INFO L397 ceAbstractionStarter]: At program point l2_insertENTRY(lines 795 804) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,941 INFO L401 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-01-20 23:33:58,941 INFO L401 ceAbstractionStarter]: For program point L802'(line 802) no Hoare annotation was computed. [2018-01-20 23:33:58,941 INFO L401 ceAbstractionStarter]: For program point L799'(line 799) no Hoare annotation was computed. [2018-01-20 23:33:58,941 INFO L401 ceAbstractionStarter]: For program point L797'(line 797) no Hoare annotation was computed. [2018-01-20 23:33:58,941 INFO L401 ceAbstractionStarter]: For program point l2_insertEXIT(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:58,941 INFO L397 ceAbstractionStarter]: At program point L798''(lines 798 800) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,941 INFO L401 ceAbstractionStarter]: For program point l2_insertFINAL(lines 795 804) no Hoare annotation was computed. [2018-01-20 23:33:58,942 INFO L404 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2018-01-20 23:33:58,942 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:58,942 INFO L401 ceAbstractionStarter]: For program point L880'(line 880) no Hoare annotation was computed. [2018-01-20 23:33:58,942 INFO L397 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,942 INFO L401 ceAbstractionStarter]: For program point L877(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:58,942 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:58,942 INFO L401 ceAbstractionStarter]: For program point L877'''(lines 877 879) no Hoare annotation was computed. [2018-01-20 23:33:58,942 INFO L401 ceAbstractionStarter]: For program point L878'(line 878) no Hoare annotation was computed. [2018-01-20 23:33:58,942 INFO L397 ceAbstractionStarter]: At program point L877''(lines 877 879) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,942 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 874 881) no Hoare annotation was computed. [2018-01-20 23:33:58,942 INFO L401 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-01-20 23:33:58,943 INFO L401 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2018-01-20 23:33:58,943 INFO L401 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2018-01-20 23:33:58,943 INFO L401 ceAbstractionStarter]: For program point L788(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:58,943 INFO L397 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,943 INFO L401 ceAbstractionStarter]: For program point L792'(line 792) no Hoare annotation was computed. [2018-01-20 23:33:58,943 INFO L397 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,943 INFO L397 ceAbstractionStarter]: At program point l3_insertENTRY(lines 785 794) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,943 INFO L401 ceAbstractionStarter]: For program point L789'(line 789) no Hoare annotation was computed. [2018-01-20 23:33:58,943 INFO L401 ceAbstractionStarter]: For program point L787'(line 787) no Hoare annotation was computed. [2018-01-20 23:33:58,943 INFO L401 ceAbstractionStarter]: For program point l3_insertEXIT(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:58,943 INFO L401 ceAbstractionStarter]: For program point l3_insertFINAL(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:58,944 INFO L397 ceAbstractionStarter]: At program point L788''(lines 788 790) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,944 INFO L401 ceAbstractionStarter]: For program point l3_insertErr0EnsuresViolation(lines 785 794) no Hoare annotation was computed. [2018-01-20 23:33:58,944 INFO L401 ceAbstractionStarter]: For program point L788'''(lines 788 790) no Hoare annotation was computed. [2018-01-20 23:33:58,944 INFO L401 ceAbstractionStarter]: For program point l1_insertEXIT(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:58,944 INFO L397 ceAbstractionStarter]: At program point L808''(lines 808 810) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,944 INFO L401 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2018-01-20 23:33:58,944 INFO L401 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2018-01-20 23:33:58,944 INFO L401 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-01-20 23:33:58,944 INFO L397 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,944 INFO L401 ceAbstractionStarter]: For program point L812'(line 812) no Hoare annotation was computed. [2018-01-20 23:33:58,945 INFO L397 ceAbstractionStarter]: At program point l1_insertENTRY(lines 805 814) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,945 INFO L401 ceAbstractionStarter]: For program point L808'''(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:58,945 INFO L401 ceAbstractionStarter]: For program point l1_insertFINAL(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:58,945 INFO L397 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,945 INFO L401 ceAbstractionStarter]: For program point L808(lines 808 810) no Hoare annotation was computed. [2018-01-20 23:33:58,945 INFO L401 ceAbstractionStarter]: For program point l1_insertErr0EnsuresViolation(lines 805 814) no Hoare annotation was computed. [2018-01-20 23:33:58,945 INFO L401 ceAbstractionStarter]: For program point L809'(line 809) no Hoare annotation was computed. [2018-01-20 23:33:58,945 INFO L401 ceAbstractionStarter]: For program point L807'(line 807) no Hoare annotation was computed. [2018-01-20 23:33:58,945 INFO L401 ceAbstractionStarter]: For program point L866'''(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:58,945 INFO L401 ceAbstractionStarter]: For program point l0_destroyEXIT(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:58,945 INFO L401 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2018-01-20 23:33:58,946 INFO L401 ceAbstractionStarter]: For program point l0_destroyErr0EnsuresViolation(lines 864 873) no Hoare annotation was computed. [2018-01-20 23:33:58,946 INFO L401 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-01-20 23:33:58,946 INFO L401 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-01-20 23:33:58,946 INFO L401 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-01-20 23:33:58,946 INFO L401 ceAbstractionStarter]: For program point L868'(line 868) no Hoare annotation was computed. [2018-01-20 23:33:58,946 INFO L401 ceAbstractionStarter]: For program point L869'(line 869) no Hoare annotation was computed. [2018-01-20 23:33:58,946 INFO L404 ceAbstractionStarter]: At program point L866''(lines 866 872) the Hoare annotation is: true [2018-01-20 23:33:58,946 INFO L404 ceAbstractionStarter]: At program point L867'(line 867) the Hoare annotation is: true [2018-01-20 23:33:58,946 INFO L401 ceAbstractionStarter]: For program point L867''(line 867) no Hoare annotation was computed. [2018-01-20 23:33:58,946 INFO L404 ceAbstractionStarter]: At program point l0_destroyENTRY(lines 864 873) the Hoare annotation is: true [2018-01-20 23:33:58,946 INFO L401 ceAbstractionStarter]: For program point calloc_modelErr0EnsuresViolation(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:58,947 INFO L401 ceAbstractionStarter]: For program point L742'(line 742) no Hoare annotation was computed. [2018-01-20 23:33:58,947 INFO L397 ceAbstractionStarter]: At program point calloc_modelENTRY(lines 740 743) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,947 INFO L401 ceAbstractionStarter]: For program point L741'(line 741) no Hoare annotation was computed. [2018-01-20 23:33:58,947 INFO L401 ceAbstractionStarter]: For program point calloc_modelFINAL(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:58,947 INFO L401 ceAbstractionStarter]: For program point calloc_modelEXIT(lines 740 743) no Hoare annotation was computed. [2018-01-20 23:33:58,947 INFO L404 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-01-20 23:33:58,947 INFO L401 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-01-20 23:33:58,947 INFO L401 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-01-20 23:33:58,947 INFO L401 ceAbstractionStarter]: For program point l4_insertEXIT(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:58,947 INFO L401 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2018-01-20 23:33:58,947 INFO L401 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2018-01-20 23:33:58,948 INFO L401 ceAbstractionStarter]: For program point l4_insertFINAL(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:58,948 INFO L401 ceAbstractionStarter]: For program point L781(line 781) no Hoare annotation was computed. [2018-01-20 23:33:58,948 INFO L401 ceAbstractionStarter]: For program point L782'(line 782) no Hoare annotation was computed. [2018-01-20 23:33:58,948 INFO L401 ceAbstractionStarter]: For program point L781'(line 781) no Hoare annotation was computed. [2018-01-20 23:33:58,948 INFO L401 ceAbstractionStarter]: For program point L780'(line 780) no Hoare annotation was computed. [2018-01-20 23:33:58,948 INFO L401 ceAbstractionStarter]: For program point l4_insertErr0EnsuresViolation(lines 776 784) no Hoare annotation was computed. [2018-01-20 23:33:58,948 INFO L397 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,948 INFO L397 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,948 INFO L401 ceAbstractionStarter]: For program point L779'(line 779) no Hoare annotation was computed. [2018-01-20 23:33:58,948 INFO L401 ceAbstractionStarter]: For program point L780''(line 780) no Hoare annotation was computed. [2018-01-20 23:33:58,948 INFO L401 ceAbstractionStarter]: For program point L778'(line 778) no Hoare annotation was computed. [2018-01-20 23:33:58,949 INFO L397 ceAbstractionStarter]: At program point l4_insertENTRY(lines 776 784) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,949 INFO L401 ceAbstractionStarter]: For program point L779''(line 779) no Hoare annotation was computed. [2018-01-20 23:33:58,949 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieFINAL(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:58,949 INFO L401 ceAbstractionStarter]: For program point L772(lines 772 773) no Hoare annotation was computed. [2018-01-20 23:33:58,949 INFO L397 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,949 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieErr0EnsuresViolation(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:58,949 INFO L401 ceAbstractionStarter]: For program point L771'(line 771) no Hoare annotation was computed. [2018-01-20 23:33:58,949 INFO L397 ceAbstractionStarter]: At program point zalloc_or_dieENTRY(lines 769 775) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-20 23:33:58,949 INFO L401 ceAbstractionStarter]: For program point zalloc_or_dieEXIT(lines 769 775) no Hoare annotation was computed. [2018-01-20 23:33:58,949 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:58,949 INFO L401 ceAbstractionStarter]: For program point L876'(line 876) no Hoare annotation was computed. [2018-01-20 23:33:58,950 INFO L401 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-01-20 23:33:58,950 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:58,950 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 881) the Hoare annotation is: (and (= |old(#NULL.offset)| |#NULL.offset|) (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(~#list~23.base)| |~#list~23.base|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(~#list~23.offset)| |~#list~23.offset|)) [2018-01-20 23:33:58,950 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:58,950 INFO L401 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2018-01-20 23:33:58,950 INFO L401 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2018-01-20 23:33:58,950 INFO L401 ceAbstractionStarter]: For program point L856(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:58,950 INFO L404 ceAbstractionStarter]: At program point L857'(line 857) the Hoare annotation is: true [2018-01-20 23:33:58,950 INFO L401 ceAbstractionStarter]: For program point L857''(line 857) no Hoare annotation was computed. [2018-01-20 23:33:58,950 INFO L401 ceAbstractionStarter]: For program point L858'(line 858) no Hoare annotation was computed. [2018-01-20 23:33:58,950 INFO L401 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-01-20 23:33:58,951 INFO L404 ceAbstractionStarter]: At program point L856''(lines 856 862) the Hoare annotation is: true [2018-01-20 23:33:58,951 INFO L401 ceAbstractionStarter]: For program point L856'''(lines 856 862) no Hoare annotation was computed. [2018-01-20 23:33:58,951 INFO L404 ceAbstractionStarter]: At program point l1_destroyENTRY(lines 854 863) the Hoare annotation is: true [2018-01-20 23:33:58,951 INFO L401 ceAbstractionStarter]: For program point l1_destroyErr0EnsuresViolation(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:58,951 INFO L401 ceAbstractionStarter]: For program point L859'(line 859) no Hoare annotation was computed. [2018-01-20 23:33:58,951 INFO L401 ceAbstractionStarter]: For program point l1_destroyEXIT(lines 854 863) no Hoare annotation was computed. [2018-01-20 23:33:58,951 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 881) the Hoare annotation is: true [2018-01-20 23:33:58,951 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:58,951 INFO L397 ceAbstractionStarter]: At program point L1(lines 1 881) the Hoare annotation is: false [2018-01-20 23:33:58,951 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:58,951 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 881) no Hoare annotation was computed. [2018-01-20 23:33:58,952 INFO L401 ceAbstractionStarter]: For program point L846'''(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:58,952 INFO L401 ceAbstractionStarter]: For program point l2_destroyErr0EnsuresViolation(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:58,952 INFO L401 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2018-01-20 23:33:58,952 INFO L401 ceAbstractionStarter]: For program point L846(lines 846 852) no Hoare annotation was computed. [2018-01-20 23:33:58,952 INFO L404 ceAbstractionStarter]: At program point L847'(line 847) the Hoare annotation is: true [2018-01-20 23:33:58,952 INFO L401 ceAbstractionStarter]: For program point L847''(line 847) no Hoare annotation was computed. [2018-01-20 23:33:58,952 INFO L401 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2018-01-20 23:33:58,952 INFO L401 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-01-20 23:33:58,952 INFO L404 ceAbstractionStarter]: At program point L846''(lines 846 852) the Hoare annotation is: true [2018-01-20 23:33:58,952 INFO L404 ceAbstractionStarter]: At program point l2_destroyENTRY(lines 844 853) the Hoare annotation is: true [2018-01-20 23:33:58,952 INFO L401 ceAbstractionStarter]: For program point l2_destroyEXIT(lines 844 853) no Hoare annotation was computed. [2018-01-20 23:33:58,953 INFO L401 ceAbstractionStarter]: For program point L848'(line 848) no Hoare annotation was computed. [2018-01-20 23:33:58,953 INFO L401 ceAbstractionStarter]: For program point L849'(line 849) no Hoare annotation was computed. [2018-01-20 23:33:58,954 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:58,954 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:58,954 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:58,954 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:58,954 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:58,954 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:58,954 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:58,954 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-20 23:33:58,955 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:58,956 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 23:33:58,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-01-20 23:33:58,956 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:58,956 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-01-20 23:33:58,957 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-20 23:33:58,957 INFO L82 PathProgramCache]: Analyzing trace with hash 327450782, now seen corresponding path program 1 times [2018-01-20 23:33:58,957 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:58,957 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:58,958 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:58,958 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:58,958 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 23:33:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 23:33:58,980 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 23:33:58,986 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 23:33:58,995 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:33:58,995 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:33:58,996 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:33:58,996 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:33:58,996 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:33:58,996 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:33:58,996 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:33:58,996 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l1_destroyErr0EnsuresViolation======== [2018-01-20 23:33:58,996 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:33:58,998 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 23:33:58,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-20 23:33:58,998 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:58,998 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:33:58,999 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l1_destroyErr0EnsuresViolation]=== [2018-01-20 23:33:58,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1090609839, now seen corresponding path program 1 times [2018-01-20 23:33:58,999 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:58,999 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:59,000 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:59,000 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:59,000 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:59,004 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:59,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:33:59,008 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:59,008 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:33:59,008 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:59,008 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:33:59,008 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:33:59,009 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:59,009 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 23:33:59,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:33:59,017 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 23:33:59,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:33:59,018 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-01-20 23:33:59,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:33:59,019 INFO L225 Difference]: With dead ends: 354 [2018-01-20 23:33:59,019 INFO L226 Difference]: Without dead ends: 160 [2018-01-20 23:33:59,020 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:33:59,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-01-20 23:33:59,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-01-20 23:33:59,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-01-20 23:33:59,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 175 transitions. [2018-01-20 23:33:59,029 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 175 transitions. Word has length 17 [2018-01-20 23:33:59,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:33:59,030 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 175 transitions. [2018-01-20 23:33:59,030 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:33:59,030 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 175 transitions. [2018-01-20 23:33:59,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-01-20 23:33:59,032 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:33:59,032 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] [2018-01-20 23:33:59,032 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l1_destroyErr0EnsuresViolation]=== [2018-01-20 23:33:59,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1725128242, now seen corresponding path program 1 times [2018-01-20 23:33:59,032 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:33:59,033 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:59,033 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:33:59,033 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:33:59,034 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:33:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:33:59,049 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:33:59,103 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:33:59,103 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:33:59,104 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:33:59,104 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 238 with the following transitions: [2018-01-20 23:33:59,104 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], [112], [118], [119], [120], [122], [126], [129], [132], [138], [139], [140], [141], [142], [143], [145], [147], [151], [154], [157], [163], [164], [165], [166], [167], [168], [170], [172], [176], [179], [182], [188], [189], [190], [191], [192], [193], [195], [196], [197], [199], [200], [202], [204], [206], [207], [208], [209], [210], [211], [212], [213], [214], [215], [216], [218], [220], [223], [225], [227], [228], [229], [230], [232], [236], [237], [239], [240], [241], [242], [243], [247], [254], [259], [263], [264], [266], [267], [268], [269], [270], [274], [280], [282], [283], [284], [285], [286], [288], [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], [320], [321] [2018-01-20 23:33:59,106 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:33:59,106 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:33:59,369 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:33:59,369 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:33:59,374 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:33:59,661 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:33:59,661 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:33:59,720 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:33:59,721 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:33:59,721 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:33:59,721 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:33:59,721 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:33:59,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:33:59,721 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:33:59,722 INFO L87 Difference]: Start difference. First operand 160 states and 175 transitions. Second operand 6 states. [2018-01-20 23:34:03,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:34:03,788 INFO L93 Difference]: Finished difference Result 160 states and 175 transitions. [2018-01-20 23:34:03,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:34:03,788 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 237 [2018-01-20 23:34:03,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:34:03,789 INFO L225 Difference]: With dead ends: 160 [2018-01-20 23:34:03,789 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:34:03,789 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 236 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:34:03,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:34:03,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:34:03,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:34:03,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:34:03,790 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 237 [2018-01-20 23:34:03,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:34:03,790 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:34:03,790 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:34:03,790 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:34:03,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:34:03,791 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:34:03,791 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:34:03,791 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:34:03,791 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:34:03,791 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:34:03,791 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:34:03,791 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:34:03,791 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-20 23:34:03,791 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:34:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 23:34:03,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-20 23:34:03,792 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:34:03,792 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 23:34:03,792 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 23:34:03,793 INFO L82 PathProgramCache]: Analyzing trace with hash 328719998, now seen corresponding path program 1 times [2018-01-20 23:34:03,793 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:34:03,793 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:34:03,793 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:34:03,793 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:34:03,793 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:34:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:34:03,797 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:34:03,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:34:03,801 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:34:03,801 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:34:03,801 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:34:03,801 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:34:03,802 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:34:03,802 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:34:03,802 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 23:34:03,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:34:03,811 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 23:34:03,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:34:03,812 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-01-20 23:34:03,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:34:03,813 INFO L225 Difference]: With dead ends: 354 [2018-01-20 23:34:03,813 INFO L226 Difference]: Without dead ends: 166 [2018-01-20 23:34:03,814 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:34:03,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-01-20 23:34:03,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-01-20 23:34:03,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-01-20 23:34:03,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 181 transitions. [2018-01-20 23:34:03,822 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 181 transitions. Word has length 18 [2018-01-20 23:34:03,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:34:03,823 INFO L432 AbstractCegarLoop]: Abstraction has 166 states and 181 transitions. [2018-01-20 23:34:03,823 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:34:03,823 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 181 transitions. [2018-01-20 23:34:03,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-01-20 23:34:03,825 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:34:03,825 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] [2018-01-20 23:34:03,825 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 23:34:03,825 INFO L82 PathProgramCache]: Analyzing trace with hash -124733529, now seen corresponding path program 1 times [2018-01-20 23:34:03,826 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:34:03,826 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:34:03,826 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:34:03,827 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:34:03,827 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:34:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:34:03,843 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:34:03,885 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:34:03,885 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:34:03,885 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:34:03,885 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 251 with the following transitions: [2018-01-20 23:34:03,886 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], [112], [118], [119], [120], [122], [126], [129], [132], [138], [139], [140], [141], [142], [143], [145], [147], [151], [154], [157], [163], [164], [165], [166], [167], [168], [170], [172], [176], [179], [182], [188], [189], [190], [191], [192], [193], [195], [196], [197], [199], [200], [202], [204], [206], [207], [208], [209], [210], [211], [212], [213], [214], [215], [216], [218], [220], [223], [225], [227], [228], [229], [230], [232], [236], [237], [239], [240], [241], [242], [243], [247], [253], [258], [259], [263], [264], [266], [267], [268], [269], [270], [274], [280], [282], [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] [2018-01-20 23:34:03,887 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:34:03,888 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:34:04,205 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:34:04,205 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:34:04,208 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:34:04,492 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:34:04,493 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:34:04,546 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:34:04,546 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:34:04,546 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:34:04,547 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:34:04,547 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:34:04,547 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:34:04,547 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:34:04,548 INFO L87 Difference]: Start difference. First operand 166 states and 181 transitions. Second operand 6 states. [2018-01-20 23:34:08,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:34:08,613 INFO L93 Difference]: Finished difference Result 166 states and 181 transitions. [2018-01-20 23:34:08,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 23:34:08,613 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 250 [2018-01-20 23:34:08,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:34:08,614 INFO L225 Difference]: With dead ends: 166 [2018-01-20 23:34:08,614 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 23:34:08,614 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 249 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:34:08,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 23:34:08,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 23:34:08,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 23:34:08,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 23:34:08,615 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2018-01-20 23:34:08,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:34:08,616 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 23:34:08,616 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 23:34:08,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 23:34:08,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 23:34:08,617 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 23:34:08,617 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 23:34:08,617 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 23:34:08,617 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 23:34:08,617 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 23:34:08,618 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 23:34:08,618 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 23:34:08,618 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == l2_destroyErr0EnsuresViolation======== [2018-01-20 23:34:08,618 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 23:34:08,619 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2018-01-20 23:34:08,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-20 23:34:08,620 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:34:08,620 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] [2018-01-20 23:34:08,621 INFO L371 AbstractCegarLoop]: === Iteration 1 === [l2_destroyErr0EnsuresViolation]=== [2018-01-20 23:34:08,621 INFO L82 PathProgramCache]: Analyzing trace with hash 757915097, now seen corresponding path program 1 times [2018-01-20 23:34:08,621 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:34:08,622 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:34:08,622 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:34:08,622 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:34:08,622 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:34:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:34:08,626 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:34:08,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 23:34:08,631 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:34:08,631 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 23:34:08,631 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:34:08,631 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 23:34:08,631 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 23:34:08,631 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:34:08,632 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2018-01-20 23:34:08,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 23:34:08,640 INFO L93 Difference]: Finished difference Result 354 states and 422 transitions. [2018-01-20 23:34:08,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 23:34:08,640 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-01-20 23:34:08,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 23:34:08,641 INFO L225 Difference]: With dead ends: 354 [2018-01-20 23:34:08,642 INFO L226 Difference]: Without dead ends: 160 [2018-01-20 23:34:08,642 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 23:34:08,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-01-20 23:34:08,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-01-20 23:34:08,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-01-20 23:34:08,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 175 transitions. [2018-01-20 23:34:08,650 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 175 transitions. Word has length 21 [2018-01-20 23:34:08,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 23:34:08,650 INFO L432 AbstractCegarLoop]: Abstraction has 160 states and 175 transitions. [2018-01-20 23:34:08,650 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 23:34:08,650 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 175 transitions. [2018-01-20 23:34:08,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-01-20 23:34:08,652 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 23:34:08,652 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] [2018-01-20 23:34:08,652 INFO L371 AbstractCegarLoop]: === Iteration 2 === [l2_destroyErr0EnsuresViolation]=== [2018-01-20 23:34:08,653 INFO L82 PathProgramCache]: Analyzing trace with hash -543878062, now seen corresponding path program 1 times [2018-01-20 23:34:08,653 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-20 23:34:08,653 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:34:08,653 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 23:34:08,654 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 23:34:08,654 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-20 23:34:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 23:34:08,669 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 23:34:08,719 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-01-20 23:34:08,719 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 23:34:08,719 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-20 23:34:08,720 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 230 with the following transitions: [2018-01-20 23:34:08,720 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], [112], [118], [119], [120], [122], [126], [129], [132], [138], [139], [140], [141], [142], [143], [145], [147], [151], [154], [157], [163], [164], [165], [166], [167], [168], [170], [172], [176], [179], [182], [188], [189], [190], [191], [192], [193], [195], [196], [197], [199], [200], [202], [204], [206], [207], [208], [209], [210], [211], [212], [213], [214], [215], [216], [218], [220], [223], [225], [227], [228], [229], [230], [232], [236], [237], [259], [263], [264], [266], [267], [268], [269], [270], [274], [281], [282], [283], [284], [285], [286], [288], [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], [316], [317], [318], [320], [321] [2018-01-20 23:34:08,722 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-20 23:34:08,722 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-20 23:34:09,080 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-20 23:34:09,080 INFO L268 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-01-20 23:34:09,100 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-20 23:34:09,388 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 68.3% of their original sizes. [2018-01-20 23:34:09,388 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-20 23:34:09,440 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-20 23:34:09,441 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 23:34:09,441 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 23:34:09,441 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-20 23:34:09,442 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 23:34:09,442 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 23:34:09,442 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 23:34:09,442 INFO L87 Difference]: Start difference. First operand 160 states and 175 transitions. Second operand 6 states. Received shutdown request... [2018-01-20 23:34:11,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-20 23:34:11,478 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-20 23:34:11,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 11:34:11 BoogieIcfgContainer [2018-01-20 23:34:11,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-20 23:34:11,481 INFO L168 Benchmark]: Toolchain (without parser) took 62296.16 ms. Allocated memory was 300.4 MB in the beginning and 953.7 MB in the end (delta: 653.3 MB). Free memory was 259.4 MB in the beginning and 810.0 MB in the end (delta: -550.6 MB). Peak memory consumption was 102.6 MB. Max. memory is 5.3 GB. [2018-01-20 23:34:11,482 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 300.4 MB. Free memory is still 265.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-20 23:34:11,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.85 ms. Allocated memory is still 300.4 MB. Free memory was 259.4 MB in the beginning and 245.3 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. [2018-01-20 23:34:11,482 INFO L168 Benchmark]: Boogie Preprocessor took 49.74 ms. Allocated memory is still 300.4 MB. Free memory was 245.3 MB in the beginning and 243.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-20 23:34:11,482 INFO L168 Benchmark]: RCFGBuilder took 606.03 ms. Allocated memory is still 300.4 MB. Free memory was 243.3 MB in the beginning and 200.4 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 5.3 GB. [2018-01-20 23:34:11,483 INFO L168 Benchmark]: TraceAbstraction took 61403.36 ms. Allocated memory was 300.4 MB in the beginning and 953.7 MB in the end (delta: 653.3 MB). Free memory was 200.4 MB in the beginning and 810.0 MB in the end (delta: -609.5 MB). Peak memory consumption was 43.7 MB. Max. memory is 5.3 GB. [2018-01-20 23:34:11,484 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 300.4 MB. Free memory is still 265.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 229.85 ms. Allocated memory is still 300.4 MB. Free memory was 259.4 MB in the beginning and 245.3 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 49.74 ms. Allocated memory is still 300.4 MB. Free memory was 245.3 MB in the beginning and 243.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 606.03 ms. Allocated memory is still 300.4 MB. Free memory was 243.3 MB in the beginning and 200.4 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 61403.36 ms. Allocated memory was 300.4 MB in the beginning and 953.7 MB in the end (delta: 653.3 MB). Free memory was 200.4 MB in the beginning and 810.0 MB in the end (delta: -609.5 MB). Peak memory consumption was 43.7 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) : 5.096693 RENAME_VARIABLES(MILLISECONDS) : 51.755545 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 4.944204 PROJECTAWAY(MILLISECONDS) : 0.029170 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.122299 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 51.856877 ADD_EQUALITY(MILLISECONDS) : 0.054058 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.045208 #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) : 5.271128 RENAME_VARIABLES(MILLISECONDS) : 75.073921 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 5.175757 PROJECTAWAY(MILLISECONDS) : 0.033427 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.110026 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 75.145401 ADD_EQUALITY(MILLISECONDS) : 0.078489 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.039115 #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) : 3.541906 RENAME_VARIABLES(MILLISECONDS) : 40.575942 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 3.463934 PROJECTAWAY(MILLISECONDS) : 0.032966 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.064120 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 40.643473 ADD_EQUALITY(MILLISECONDS) : 0.040959 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.011975 #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) : 1.972424 RENAME_VARIABLES(MILLISECONDS) : 23.626889 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.904099 PROJECTAWAY(MILLISECONDS) : 0.022973 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.046613 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 23.689047 ADD_EQUALITY(MILLISECONDS) : 0.047993 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.012124 #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) : 2.101115 RENAME_VARIABLES(MILLISECONDS) : 30.917129 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 2.051804 PROJECTAWAY(MILLISECONDS) : 0.015863 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.043343 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 30.964549 ADD_EQUALITY(MILLISECONDS) : 0.031809 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.008975 #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) : 1.942989 RENAME_VARIABLES(MILLISECONDS) : 24.434366 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.886176 PROJECTAWAY(MILLISECONDS) : 0.015754 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.050819 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 24.492819 ADD_EQUALITY(MILLISECONDS) : 0.030835 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.012576 #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) : 2.660419 RENAME_VARIABLES(MILLISECONDS) : 36.545990 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 2.595850 PROJECTAWAY(MILLISECONDS) : 0.016937 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.041809 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 36.611990 ADD_EQUALITY(MILLISECONDS) : 0.030375 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.007285 #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) : 2.352461 RENAME_VARIABLES(MILLISECONDS) : 22.115173 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 2.302643 PROJECTAWAY(MILLISECONDS) : 0.017151 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.064653 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 22.173916 ADD_EQUALITY(MILLISECONDS) : 0.035369 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.009826 #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) : 1.936279 RENAME_VARIABLES(MILLISECONDS) : 23.915222 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.888097 PROJECTAWAY(MILLISECONDS) : 0.014709 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.053114 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 23.972590 ADD_EQUALITY(MILLISECONDS) : 0.049751 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.015594 #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) : 1.910915 RENAME_VARIABLES(MILLISECONDS) : 21.385304 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.854992 PROJECTAWAY(MILLISECONDS) : 0.011321 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.044593 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 21.440967 ADD_EQUALITY(MILLISECONDS) : 0.029198 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.018525 #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) : 2.025101 RENAME_VARIABLES(MILLISECONDS) : 22.121499 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.971331 PROJECTAWAY(MILLISECONDS) : 0.025620 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.050332 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 22.183753 ADD_EQUALITY(MILLISECONDS) : 0.031267 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.009340 #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 - 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) : 3.083416 RENAME_VARIABLES(MILLISECONDS) : 22.224526 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 2.995373 PROJECTAWAY(MILLISECONDS) : 0.019117 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.049482 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 22.284940 ADD_EQUALITY(MILLISECONDS) : 0.042751 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.010015 #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 * 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: 834]: 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, 181 locations, 15 error locations. SAFE Result, 6.6s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 197 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 222 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred 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, 0.9988636363636364 AbsIntWeakeningRatio, 1.3181818181818181 AbsIntAvgWeakeningVarsNumRemoved, 0.16363636363636364 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, 246 NumberOfCodeBlocks, 246 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: 815]: 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, 181 locations, 15 error locations. SAFE Result, 6.2s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 197 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 249 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.8s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9986111111111111 AbsIntWeakeningRatio, 1.3444444444444446 AbsIntAvgWeakeningVarsNumRemoved, 0.2 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, 251 NumberOfCodeBlocks, 251 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 2312 SizeOfPredicates, 0 NumberOfNonLiveVariables, 165 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: 824]: 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, 181 locations, 15 error locations. SAFE Result, 5.3s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 4.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 197 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 214 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred 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, 0.9988207547169812 AbsIntWeakeningRatio, 1.330188679245283 AbsIntAvgWeakeningVarsNumRemoved, 0.16981132075471697 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, 242 NumberOfCodeBlocks, 242 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: 795]: 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, 181 locations, 15 error locations. SAFE Result, 4.8s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 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=181occurred 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, 1.4050632911392404 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: 874]: 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, 181 locations, 15 error locations. SAFE Result, 4.9s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 197 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 249 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred 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, 0.9989878542510121 AbsIntWeakeningRatio, 1.2793522267206479 AbsIntAvgWeakeningVarsNumRemoved, 0.145748987854251 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, 264 NumberOfCodeBlocks, 264 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: 785]: 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, 181 locations, 15 error locations. SAFE Result, 4.9s OverallTime, 1 OverallIterations, 4 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, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9975247524752475 AbsIntWeakeningRatio, 1.4257425742574257 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: 805]: 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, 181 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=181occurred 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, 0.9956140350877193 AbsIntWeakeningRatio, 1.2982456140350878 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: 864]: 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, 181 locations, 15 error locations. SAFE Result, 4.8s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 4.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 197 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 246 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred 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, 0.9989754098360656 AbsIntWeakeningRatio, 1.2868852459016393 AbsIntAvgWeakeningVarsNumRemoved, 0.14754098360655737 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, 258 NumberOfCodeBlocks, 258 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, 181 locations, 15 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 13 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 55 PreInvPairs, 55 NumberOfFragments, 47 HoareAnnotationTreeSize, 55 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s 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: 776]: 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, 181 locations, 15 error locations. SAFE Result, 5.2s OverallTime, 1 OverallIterations, 6 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9982758620689656 AbsIntWeakeningRatio, 1.4758620689655173 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: 769]: 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, 181 locations, 15 error locations. SAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 285 SDtfs, 69 SDslu, 3 SDs, 0 SdLazy, 25 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 104 PreInvPairs, 124 NumberOfFragments, 95 HoareAnnotationTreeSize, 104 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 3328 SizeOfPredicates, 0 NumberOfNonLiveVariables, 296 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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)=7, \old(list)=5, list={7:5}] [L876] FCALL static struct L0 *list; VAL [\old(list)=7, \old(list)=5, list={8:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 16 procedures, 181 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=181occurred 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: 854]: 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, 181 locations, 15 error locations. SAFE Result, 4.7s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 4.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 197 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 238 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred 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, 0.9989406779661016 AbsIntWeakeningRatio, 1.2966101694915255 AbsIntAvgWeakeningVarsNumRemoved, 0.15254237288135594 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, 254 NumberOfCodeBlocks, 254 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 - PositiveResult [Line: 1]: 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: ULTIMATE.startErr0EnsuresViolation CFG has 16 procedures, 181 locations, 15 error locations. SAFE Result, 4.8s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 4.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 197 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 251 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred 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, 0.998995983935743 AbsIntWeakeningRatio, 1.2730923694779117 AbsIntAvgWeakeningVarsNumRemoved, 0.14457831325301204 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, 268 NumberOfCodeBlocks, 268 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: 844]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 844). Cancelled while BasicCegarLoop was constructing difference of abstraction (160states) and interpolant automaton (currently 5 states, 6 states before enhancement), while ReachableStatesComputation was computing reachable states (3 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data for error location: l2_destroyErr0EnsuresViolation CFG has 16 procedures, 181 locations, 15 error locations. TIMEOUT Result, 2.8s OverallTime, 2 OverallIterations, 6 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 197 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 230 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred 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, 0.9989035087719298 AbsIntWeakeningRatio, 1.3070175438596492 AbsIntAvgWeakeningVarsNumRemoved, 0.15789473684210525 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, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 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 RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-0-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-0-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-1-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-1-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-2-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-2-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-3-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-3-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-4-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-4-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-5-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-5-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-6-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-6-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-7-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-7-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-8-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-8-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-9-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-9-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-10-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-10-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-11-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-11-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-9-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-10-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-11-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-12-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-13-2018-01-20_23-34-11-508.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0237_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-14-2018-01-20_23-34-11-508.csv Completed graceful shutdown