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/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/memsafety/test-0513_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 02:13:56,258 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 02:13:56,260 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 02:13:56,273 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 02:13:56,273 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 02:13:56,274 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 02:13:56,275 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 02:13:56,277 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 02:13:56,278 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 02:13:56,279 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 02:13:56,280 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 02:13:56,280 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 02:13:56,280 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 02:13:56,281 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 02:13:56,282 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 02:13:56,284 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 02:13:56,285 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 02:13:56,286 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 02:13:56,287 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 02:13:56,288 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 02:13:56,290 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 02:13:56,290 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 02:13:56,290 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 02:13:56,291 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 02:13:56,292 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 02:13:56,293 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 02:13:56,293 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 02:13:56,293 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 02:13:56,294 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 02:13:56,294 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 02:13:56,294 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 02:13:56,294 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-02-04 02:13:56,303 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 02:13:56,304 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 02:13:56,305 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 02:13:56,305 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 02:13:56,305 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 02:13:56,305 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 02:13:56,305 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 02:13:56,305 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 02:13:56,306 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 02:13:56,306 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 02:13:56,306 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 02:13:56,306 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 02:13:56,306 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 02:13:56,306 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 02:13:56,306 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 02:13:56,307 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 02:13:56,307 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 02:13:56,307 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 02:13:56,307 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 02:13:56,307 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 02:13:56,307 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 02:13:56,307 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 02:13:56,308 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-04 02:13:56,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 02:13:56,345 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 02:13:56,348 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 02:13:56,349 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 02:13:56,349 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 02:13:56,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0513_true-valid-memsafety.i [2018-02-04 02:13:56,479 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 02:13:56,480 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 02:13:56,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 02:13:56,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 02:13:56,486 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 02:13:56,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 02:13:56" (1/1) ... [2018-02-04 02:13:56,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67bada75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:13:56, skipping insertion in model container [2018-02-04 02:13:56,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 02:13:56" (1/1) ... [2018-02-04 02:13:56,504 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 02:13:56,534 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 02:13:56,621 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 02:13:56,636 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 02:13:56,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:13:56 WrapperNode [2018-02-04 02:13:56,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 02:13:56,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 02:13:56,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 02:13:56,645 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 02:13:56,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:13:56" (1/1) ... [2018-02-04 02:13:56,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:13:56" (1/1) ... [2018-02-04 02:13:56,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:13:56" (1/1) ... [2018-02-04 02:13:56,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:13:56" (1/1) ... [2018-02-04 02:13:56,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:13:56" (1/1) ... [2018-02-04 02:13:56,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:13:56" (1/1) ... [2018-02-04 02:13:56,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:13:56" (1/1) ... [2018-02-04 02:13:56,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 02:13:56,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 02:13:56,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 02:13:56,677 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 02:13:56,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:13:56" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-02-04 02:13:56,714 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 02:13:56,715 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 02:13:56,715 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 02:13:56,715 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 02:13:56,715 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 02:13:56,715 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 02:13:56,715 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 02:13:56,715 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 02:13:56,715 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 02:13:56,715 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 02:13:56,715 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 02:13:56,715 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 02:13:56,715 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-02-04 02:13:56,716 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 02:13:56,716 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 02:13:56,716 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 02:13:56,716 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 02:13:57,110 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 02:13:57,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 02:13:57 BoogieIcfgContainer [2018-02-04 02:13:57,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 02:13:57,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 02:13:57,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 02:13:57,112 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 02:13:57,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 02:13:56" (1/3) ... [2018-02-04 02:13:57,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3b0d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 02:13:57, skipping insertion in model container [2018-02-04 02:13:57,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 02:13:56" (2/3) ... [2018-02-04 02:13:57,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3b0d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 02:13:57, skipping insertion in model container [2018-02-04 02:13:57,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 02:13:57" (3/3) ... [2018-02-04 02:13:57,114 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0513_true-valid-memsafety.i [2018-02-04 02:13:57,119 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 02:13:57,124 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 59 error locations. [2018-02-04 02:13:57,146 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 02:13:57,146 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 02:13:57,146 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-04 02:13:57,146 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 02:13:57,146 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 02:13:57,146 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 02:13:57,146 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 02:13:57,146 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 02:13:57,147 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 02:13:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-02-04 02:13:57,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-02-04 02:13:57,164 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:13:57,165 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:13:57,165 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:13:57,168 INFO L82 PathProgramCache]: Analyzing trace with hash -894299951, now seen corresponding path program 1 times [2018-02-04 02:13:57,199 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:13:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:13:57,225 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:13:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:57,245 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:13:57,245 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-04 02:13:57,246 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:13:57,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:57,247 INFO L182 omatonBuilderFactory]: Interpolants [140#true, 141#false] [2018-02-04 02:13:57,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:57,248 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-02-04 02:13:57,255 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-02-04 02:13:57,256 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-02-04 02:13:57,257 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2018-02-04 02:13:57,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:13:57,327 INFO L93 Difference]: Finished difference Result 137 states and 145 transitions. [2018-02-04 02:13:57,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-02-04 02:13:57,328 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-02-04 02:13:57,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:13:57,336 INFO L225 Difference]: With dead ends: 137 [2018-02-04 02:13:57,336 INFO L226 Difference]: Without dead ends: 134 [2018-02-04 02:13:57,338 INFO L554 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 [2018-02-04 02:13:57,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-02-04 02:13:57,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-02-04 02:13:57,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-02-04 02:13:57,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 142 transitions. [2018-02-04 02:13:57,368 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 142 transitions. Word has length 9 [2018-02-04 02:13:57,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:13:57,368 INFO L432 AbstractCegarLoop]: Abstraction has 134 states and 142 transitions. [2018-02-04 02:13:57,368 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-02-04 02:13:57,368 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 142 transitions. [2018-02-04 02:13:57,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-02-04 02:13:57,369 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:13:57,369 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:13:57,369 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:13:57,369 INFO L82 PathProgramCache]: Analyzing trace with hash -477652767, now seen corresponding path program 1 times [2018-02-04 02:13:57,370 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:13:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:13:57,380 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:13:57,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:57,406 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:13:57,406 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-04 02:13:57,407 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:13:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:57,407 INFO L182 omatonBuilderFactory]: Interpolants [413#true, 414#false, 415#(= |#valid| |old(#valid)|)] [2018-02-04 02:13:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:57,408 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 02:13:57,408 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 02:13:57,408 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 02:13:57,408 INFO L87 Difference]: Start difference. First operand 134 states and 142 transitions. Second operand 3 states. [2018-02-04 02:13:57,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:13:57,588 INFO L93 Difference]: Finished difference Result 177 states and 187 transitions. [2018-02-04 02:13:57,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 02:13:57,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-02-04 02:13:57,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:13:57,592 INFO L225 Difference]: With dead ends: 177 [2018-02-04 02:13:57,592 INFO L226 Difference]: Without dead ends: 176 [2018-02-04 02:13:57,593 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 02:13:57,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-02-04 02:13:57,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 138. [2018-02-04 02:13:57,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-02-04 02:13:57,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 147 transitions. [2018-02-04 02:13:57,602 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 147 transitions. Word has length 11 [2018-02-04 02:13:57,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:13:57,602 INFO L432 AbstractCegarLoop]: Abstraction has 138 states and 147 transitions. [2018-02-04 02:13:57,602 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 02:13:57,602 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 147 transitions. [2018-02-04 02:13:57,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-02-04 02:13:57,603 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:13:57,603 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:13:57,603 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:13:57,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1922337046, now seen corresponding path program 1 times [2018-02-04 02:13:57,604 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:13:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:13:57,612 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:13:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:57,631 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:13:57,631 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 02:13:57,631 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:13:57,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:57,631 INFO L182 omatonBuilderFactory]: Interpolants [731#true, 732#false, 733#(and (= main_~data~0.offset 0) (= main_~data~0.base 0))] [2018-02-04 02:13:57,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:57,631 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 02:13:57,632 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 02:13:57,632 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 02:13:57,632 INFO L87 Difference]: Start difference. First operand 138 states and 147 transitions. Second operand 3 states. [2018-02-04 02:13:57,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:13:57,682 INFO L93 Difference]: Finished difference Result 154 states and 161 transitions. [2018-02-04 02:13:57,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 02:13:57,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-02-04 02:13:57,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:13:57,684 INFO L225 Difference]: With dead ends: 154 [2018-02-04 02:13:57,684 INFO L226 Difference]: Without dead ends: 153 [2018-02-04 02:13:57,684 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 02:13:57,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-02-04 02:13:57,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 147. [2018-02-04 02:13:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-02-04 02:13:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 159 transitions. [2018-02-04 02:13:57,692 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 159 transitions. Word has length 12 [2018-02-04 02:13:57,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:13:57,692 INFO L432 AbstractCegarLoop]: Abstraction has 147 states and 159 transitions. [2018-02-04 02:13:57,692 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 02:13:57,692 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 159 transitions. [2018-02-04 02:13:57,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-04 02:13:57,693 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:13:57,693 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:13:57,693 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:13:57,693 INFO L82 PathProgramCache]: Analyzing trace with hash 537460283, now seen corresponding path program 1 times [2018-02-04 02:13:57,694 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:13:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:13:57,703 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:13:57,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:57,725 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:13:57,725 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 02:13:57,725 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:13:57,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:57,725 INFO L182 omatonBuilderFactory]: Interpolants [1035#true, 1036#false, 1037#(= 1 (select |#valid| |main_#t~malloc1.base|)), 1038#(= 1 (select |#valid| main_~item~0.base))] [2018-02-04 02:13:57,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:57,725 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 02:13:57,726 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 02:13:57,726 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 02:13:57,726 INFO L87 Difference]: Start difference. First operand 147 states and 159 transitions. Second operand 4 states. [2018-02-04 02:13:57,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:13:57,891 INFO L93 Difference]: Finished difference Result 219 states and 233 transitions. [2018-02-04 02:13:57,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 02:13:57,891 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-02-04 02:13:57,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:13:57,894 INFO L225 Difference]: With dead ends: 219 [2018-02-04 02:13:57,894 INFO L226 Difference]: Without dead ends: 219 [2018-02-04 02:13:57,895 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:13:57,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-02-04 02:13:57,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 149. [2018-02-04 02:13:57,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-02-04 02:13:57,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 163 transitions. [2018-02-04 02:13:57,903 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 163 transitions. Word has length 13 [2018-02-04 02:13:57,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:13:57,904 INFO L432 AbstractCegarLoop]: Abstraction has 149 states and 163 transitions. [2018-02-04 02:13:57,904 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 02:13:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 163 transitions. [2018-02-04 02:13:57,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-04 02:13:57,904 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:13:57,904 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:13:57,904 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:13:57,905 INFO L82 PathProgramCache]: Analyzing trace with hash 537460284, now seen corresponding path program 1 times [2018-02-04 02:13:57,905 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:13:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:13:57,916 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:13:57,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:57,959 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:13:57,959 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 02:13:57,959 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:13:57,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:57,959 INFO L182 omatonBuilderFactory]: Interpolants [1409#true, 1410#false, 1411#(and (= 0 |main_#t~malloc1.offset|) (= 8 (select |#length| |main_#t~malloc1.base|))), 1412#(and (= (select |#length| main_~item~0.base) 8) (= main_~item~0.offset 0))] [2018-02-04 02:13:57,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:57,959 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 02:13:57,960 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 02:13:57,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 02:13:57,960 INFO L87 Difference]: Start difference. First operand 149 states and 163 transitions. Second operand 4 states. [2018-02-04 02:13:58,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:13:58,067 INFO L93 Difference]: Finished difference Result 147 states and 159 transitions. [2018-02-04 02:13:58,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 02:13:58,067 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-02-04 02:13:58,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:13:58,068 INFO L225 Difference]: With dead ends: 147 [2018-02-04 02:13:58,068 INFO L226 Difference]: Without dead ends: 147 [2018-02-04 02:13:58,068 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:13:58,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-02-04 02:13:58,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-02-04 02:13:58,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-02-04 02:13:58,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 159 transitions. [2018-02-04 02:13:58,073 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 159 transitions. Word has length 13 [2018-02-04 02:13:58,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:13:58,074 INFO L432 AbstractCegarLoop]: Abstraction has 147 states and 159 transitions. [2018-02-04 02:13:58,074 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 02:13:58,074 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 159 transitions. [2018-02-04 02:13:58,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-04 02:13:58,074 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:13:58,075 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:13:58,075 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:13:58,075 INFO L82 PathProgramCache]: Analyzing trace with hash 632206755, now seen corresponding path program 1 times [2018-02-04 02:13:58,076 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:13:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:13:58,088 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:13:58,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,111 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:13:58,111 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 02:13:58,111 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:13:58,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,112 INFO L182 omatonBuilderFactory]: Interpolants [1712#(= 1 (select |#valid| main_~lItem~0.base)), 1709#true, 1710#false, 1711#(= 1 (select |#valid| |main_#t~malloc5.base|))] [2018-02-04 02:13:58,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,112 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 02:13:58,112 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 02:13:58,112 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 02:13:58,112 INFO L87 Difference]: Start difference. First operand 147 states and 159 transitions. Second operand 4 states. [2018-02-04 02:13:58,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:13:58,200 INFO L93 Difference]: Finished difference Result 181 states and 193 transitions. [2018-02-04 02:13:58,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 02:13:58,201 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-02-04 02:13:58,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:13:58,202 INFO L225 Difference]: With dead ends: 181 [2018-02-04 02:13:58,202 INFO L226 Difference]: Without dead ends: 181 [2018-02-04 02:13:58,202 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:13:58,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-02-04 02:13:58,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 143. [2018-02-04 02:13:58,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-02-04 02:13:58,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 155 transitions. [2018-02-04 02:13:58,207 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 155 transitions. Word has length 20 [2018-02-04 02:13:58,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:13:58,207 INFO L432 AbstractCegarLoop]: Abstraction has 143 states and 155 transitions. [2018-02-04 02:13:58,207 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 02:13:58,207 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 155 transitions. [2018-02-04 02:13:58,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-04 02:13:58,208 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:13:58,208 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:13:58,208 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:13:58,208 INFO L82 PathProgramCache]: Analyzing trace with hash 632206756, now seen corresponding path program 1 times [2018-02-04 02:13:58,209 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:13:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:13:58,219 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:13:58,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,264 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:13:58,264 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 02:13:58,264 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:13:58,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,265 INFO L182 omatonBuilderFactory]: Interpolants [2039#true, 2040#false, 2041#(and (= 0 |main_#t~malloc5.offset|) (= 8 (select |#length| |main_#t~malloc5.base|))), 2042#(and (= main_~lItem~0.offset 0) (= (select |#length| main_~lItem~0.base) 8))] [2018-02-04 02:13:58,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,265 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 02:13:58,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 02:13:58,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 02:13:58,266 INFO L87 Difference]: Start difference. First operand 143 states and 155 transitions. Second operand 4 states. [2018-02-04 02:13:58,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:13:58,356 INFO L93 Difference]: Finished difference Result 140 states and 152 transitions. [2018-02-04 02:13:58,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 02:13:58,358 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-02-04 02:13:58,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:13:58,358 INFO L225 Difference]: With dead ends: 140 [2018-02-04 02:13:58,359 INFO L226 Difference]: Without dead ends: 140 [2018-02-04 02:13:58,359 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:13:58,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-02-04 02:13:58,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-02-04 02:13:58,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-02-04 02:13:58,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 152 transitions. [2018-02-04 02:13:58,362 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 152 transitions. Word has length 20 [2018-02-04 02:13:58,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:13:58,362 INFO L432 AbstractCegarLoop]: Abstraction has 140 states and 152 transitions. [2018-02-04 02:13:58,362 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 02:13:58,363 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 152 transitions. [2018-02-04 02:13:58,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-02-04 02:13:58,363 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:13:58,363 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:13:58,363 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:13:58,364 INFO L82 PathProgramCache]: Analyzing trace with hash -145487102, now seen corresponding path program 1 times [2018-02-04 02:13:58,364 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:13:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:13:58,377 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:13:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,408 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:13:58,408 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 02:13:58,408 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:13:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,408 INFO L182 omatonBuilderFactory]: Interpolants [2325#true, 2326#false, 2327#(not (= 0 |main_#t~malloc5.base|)), 2328#(not (= 0 main_~lItem~0.base)), 2329#(not (= 0 main_~data~0.base))] [2018-02-04 02:13:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,408 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 02:13:58,409 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 02:13:58,409 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:13:58,409 INFO L87 Difference]: Start difference. First operand 140 states and 152 transitions. Second operand 5 states. [2018-02-04 02:13:58,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:13:58,506 INFO L93 Difference]: Finished difference Result 234 states and 254 transitions. [2018-02-04 02:13:58,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 02:13:58,506 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2018-02-04 02:13:58,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:13:58,507 INFO L225 Difference]: With dead ends: 234 [2018-02-04 02:13:58,507 INFO L226 Difference]: Without dead ends: 234 [2018-02-04 02:13:58,507 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 02:13:58,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-02-04 02:13:58,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 140. [2018-02-04 02:13:58,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-02-04 02:13:58,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 150 transitions. [2018-02-04 02:13:58,511 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 150 transitions. Word has length 28 [2018-02-04 02:13:58,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:13:58,511 INFO L432 AbstractCegarLoop]: Abstraction has 140 states and 150 transitions. [2018-02-04 02:13:58,511 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 02:13:58,511 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 150 transitions. [2018-02-04 02:13:58,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-02-04 02:13:58,512 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:13:58,512 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:13:58,512 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:13:58,512 INFO L82 PathProgramCache]: Analyzing trace with hash -215136023, now seen corresponding path program 1 times [2018-02-04 02:13:58,513 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:13:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:13:58,523 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:13:58,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,545 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:13:58,545 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 02:13:58,545 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:13:58,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,546 INFO L182 omatonBuilderFactory]: Interpolants [2711#true, 2712#false, 2713#(= 1 (select |#valid| main_~lItem~0.base)), 2714#(= 1 (select |#valid| main_~data~0.base))] [2018-02-04 02:13:58,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,546 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 02:13:58,546 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 02:13:58,547 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 02:13:58,547 INFO L87 Difference]: Start difference. First operand 140 states and 150 transitions. Second operand 4 states. [2018-02-04 02:13:58,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:13:58,633 INFO L93 Difference]: Finished difference Result 135 states and 145 transitions. [2018-02-04 02:13:58,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 02:13:58,633 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-02-04 02:13:58,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:13:58,634 INFO L225 Difference]: With dead ends: 135 [2018-02-04 02:13:58,634 INFO L226 Difference]: Without dead ends: 135 [2018-02-04 02:13:58,634 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:13:58,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-02-04 02:13:58,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 134. [2018-02-04 02:13:58,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-02-04 02:13:58,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 145 transitions. [2018-02-04 02:13:58,637 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 145 transitions. Word has length 29 [2018-02-04 02:13:58,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:13:58,637 INFO L432 AbstractCegarLoop]: Abstraction has 134 states and 145 transitions. [2018-02-04 02:13:58,637 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 02:13:58,637 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2018-02-04 02:13:58,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-02-04 02:13:58,637 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:13:58,638 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:13:58,638 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:13:58,638 INFO L82 PathProgramCache]: Analyzing trace with hash -215136022, now seen corresponding path program 1 times [2018-02-04 02:13:58,638 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:13:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:13:58,647 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:13:58,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,711 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:13:58,711 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 02:13:58,711 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:13:58,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,712 INFO L182 omatonBuilderFactory]: Interpolants [2986#true, 2987#false, 2988#(and (= 0 |main_#t~malloc5.offset|) (= 8 (select |#length| |main_#t~malloc5.base|))), 2989#(and (= 8 (select |#length| main_~lItem~0.base)) (= 0 main_~lItem~0.offset)), 2990#(and (= main_~data~0.offset 0) (= (select |#length| main_~data~0.base) 8))] [2018-02-04 02:13:58,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,712 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 02:13:58,712 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 02:13:58,712 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:13:58,712 INFO L87 Difference]: Start difference. First operand 134 states and 145 transitions. Second operand 5 states. [2018-02-04 02:13:58,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:13:58,860 INFO L93 Difference]: Finished difference Result 210 states and 229 transitions. [2018-02-04 02:13:58,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 02:13:58,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-02-04 02:13:58,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:13:58,861 INFO L225 Difference]: With dead ends: 210 [2018-02-04 02:13:58,861 INFO L226 Difference]: Without dead ends: 210 [2018-02-04 02:13:58,861 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 02:13:58,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-02-04 02:13:58,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 174. [2018-02-04 02:13:58,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-02-04 02:13:58,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 216 transitions. [2018-02-04 02:13:58,864 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 216 transitions. Word has length 29 [2018-02-04 02:13:58,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:13:58,864 INFO L432 AbstractCegarLoop]: Abstraction has 174 states and 216 transitions. [2018-02-04 02:13:58,864 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 02:13:58,864 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 216 transitions. [2018-02-04 02:13:58,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-04 02:13:58,864 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:13:58,865 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:13:58,865 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:13:58,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1844152872, now seen corresponding path program 1 times [2018-02-04 02:13:58,865 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:13:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:13:58,880 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:13:58,967 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,967 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:13:58,968 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 02:13:58,968 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:13:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,968 INFO L182 omatonBuilderFactory]: Interpolants [3382#true, 3383#false, 3384#(and (= (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset) main_~lItem~0.offset) (= (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset) main_~lItem~0.base)), 3385#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 3386#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 3387#(and (= main_~data~0.base |main_#t~mem11.base|) (= main_~data~0.offset |main_#t~mem11.offset|))] [2018-02-04 02:13:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:58,969 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 02:13:58,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 02:13:58,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-02-04 02:13:58,969 INFO L87 Difference]: Start difference. First operand 174 states and 216 transitions. Second operand 6 states. [2018-02-04 02:13:59,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:13:59,091 INFO L93 Difference]: Finished difference Result 202 states and 245 transitions. [2018-02-04 02:13:59,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 02:13:59,092 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-02-04 02:13:59,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:13:59,093 INFO L225 Difference]: With dead ends: 202 [2018-02-04 02:13:59,093 INFO L226 Difference]: Without dead ends: 202 [2018-02-04 02:13:59,093 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-02-04 02:13:59,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-02-04 02:13:59,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 183. [2018-02-04 02:13:59,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-02-04 02:13:59,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 226 transitions. [2018-02-04 02:13:59,097 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 226 transitions. Word has length 34 [2018-02-04 02:13:59,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:13:59,098 INFO L432 AbstractCegarLoop]: Abstraction has 183 states and 226 transitions. [2018-02-04 02:13:59,098 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 02:13:59,098 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 226 transitions. [2018-02-04 02:13:59,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-02-04 02:13:59,098 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:13:59,099 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:13:59,099 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:13:59,099 INFO L82 PathProgramCache]: Analyzing trace with hash -525574038, now seen corresponding path program 1 times [2018-02-04 02:13:59,100 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:13:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:13:59,112 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:13:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:59,363 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:13:59,363 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-02-04 02:13:59,363 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:13:59,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:59,364 INFO L182 omatonBuilderFactory]: Interpolants [3776#false, 3777#(= 0 |main_#t~malloc1.offset|), 3778#(= main_~item~0.offset 0), 3779#(and (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.offset 0)), 3780#(and (= 0 |main_#t~malloc5.offset|) (= 1 (select (store |#valid| |main_#t~malloc5.base| 0) main_~item~0.base)) (not (= 0 |main_#t~malloc5.base|)) (= main_~item~0.offset 0)), 3781#(and (= 1 (select (store |#valid| main_~lItem~0.base 0) main_~item~0.base)) (not (= 0 main_~lItem~0.base)) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 3782#(and (= 1 (select (store |#valid| main_~data~0.base 0) main_~item~0.base)) (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (not (= 0 main_~data~0.base)) (= main_~item~0.offset 0) (= main_~data~0.base main_~lItem~0.base)), 3783#(and (= main_~data~0.offset 0) (not (= 0 main_~data~0.base)) (= 1 (select (store |#valid| main_~data~0.base 0) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 3784#(and (not (= main_~data~0.base 0)) (= main_~data~0.offset 0) (= 1 (select (store |#valid| main_~data~0.base 0) |main_#t~mem28.base|))), 3785#(and (= 1 (select (store |#valid| main_~data~0.base 0) main_~item~0.base)) (= main_~data~0.offset 0) (not (= main_~data~0.base 0))), 3786#(= 1 (select |#valid| main_~item~0.base)), 3775#true] [2018-02-04 02:13:59,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:13:59,364 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 02:13:59,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 02:13:59,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-02-04 02:13:59,365 INFO L87 Difference]: Start difference. First operand 183 states and 226 transitions. Second operand 12 states. [2018-02-04 02:13:59,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:13:59,756 INFO L93 Difference]: Finished difference Result 240 states and 290 transitions. [2018-02-04 02:13:59,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 02:13:59,756 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2018-02-04 02:13:59,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:13:59,757 INFO L225 Difference]: With dead ends: 240 [2018-02-04 02:13:59,757 INFO L226 Difference]: Without dead ends: 240 [2018-02-04 02:13:59,757 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2018-02-04 02:13:59,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-02-04 02:13:59,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 189. [2018-02-04 02:13:59,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-02-04 02:13:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 234 transitions. [2018-02-04 02:13:59,761 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 234 transitions. Word has length 36 [2018-02-04 02:13:59,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:13:59,761 INFO L432 AbstractCegarLoop]: Abstraction has 189 states and 234 transitions. [2018-02-04 02:13:59,761 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 02:13:59,761 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 234 transitions. [2018-02-04 02:13:59,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-02-04 02:13:59,761 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:13:59,761 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:13:59,762 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:13:59,762 INFO L82 PathProgramCache]: Analyzing trace with hash -525574037, now seen corresponding path program 1 times [2018-02-04 02:13:59,762 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:13:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:13:59,776 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:00,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:00,059 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:14:00,059 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 02:14:00,059 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:00,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:00,060 INFO L182 omatonBuilderFactory]: Interpolants [4244#true, 4245#false, 4246#(and (= 0 |main_#t~malloc1.offset|) (= 8 (select |#length| |main_#t~malloc1.base|))), 4247#(and (= 8 (select |#length| main_~item~0.base)) (= main_~item~0.offset 0)), 4248#(and (= 8 (select |#length| main_~item~0.base)) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.offset 0)), 4249#(and (= 0 |main_#t~malloc5.offset|) (= 8 (select |#length| main_~item~0.base)) (not (= 0 |main_#t~malloc5.base|)) (= main_~item~0.offset 0)), 4250#(and (= 8 (select |#length| main_~item~0.base)) (not (= 0 main_~lItem~0.base)) (= main_~lItem~0.offset 0) (= main_~item~0.offset 0)), 4251#(and (= 8 (select |#length| main_~item~0.base)) (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (= main_~lItem~0.base main_~data~0.base) (not (= 0 main_~data~0.base)) (= main_~item~0.offset 0)), 4252#(and (= main_~data~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 main_~data~0.base))), 4253#(and (not (= main_~data~0.base 0)) (= main_~data~0.offset 0) (= 8 (select |#length| |main_#t~mem28.base|)) (= 0 |main_#t~mem28.offset|)), 4254#(and (= main_~data~0.offset 0) (not (= main_~data~0.base 0)) (= (select |#length| main_~item~0.base) 8) (= main_~item~0.offset 0))] [2018-02-04 02:14:00,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:00,060 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 02:14:00,060 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 02:14:00,060 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-02-04 02:14:00,060 INFO L87 Difference]: Start difference. First operand 189 states and 234 transitions. Second operand 11 states. [2018-02-04 02:14:00,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:00,441 INFO L93 Difference]: Finished difference Result 221 states and 264 transitions. [2018-02-04 02:14:00,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 02:14:00,441 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 36 [2018-02-04 02:14:00,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:00,442 INFO L225 Difference]: With dead ends: 221 [2018-02-04 02:14:00,442 INFO L226 Difference]: Without dead ends: 221 [2018-02-04 02:14:00,442 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552 [2018-02-04 02:14:00,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-02-04 02:14:00,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 189. [2018-02-04 02:14:00,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-02-04 02:14:00,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 233 transitions. [2018-02-04 02:14:00,444 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 233 transitions. Word has length 36 [2018-02-04 02:14:00,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:00,445 INFO L432 AbstractCegarLoop]: Abstraction has 189 states and 233 transitions. [2018-02-04 02:14:00,445 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 02:14:00,445 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 233 transitions. [2018-02-04 02:14:00,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-02-04 02:14:00,445 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:00,445 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:00,445 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:00,445 INFO L82 PathProgramCache]: Analyzing trace with hash 887072562, now seen corresponding path program 1 times [2018-02-04 02:14:00,446 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:00,462 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:00,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:00,600 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:14:00,600 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 02:14:00,600 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:00,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:00,600 INFO L182 omatonBuilderFactory]: Interpolants [4692#true, 4693#false, 4694#(and (= 0 |main_#t~malloc1.offset|) (not (= 0 |main_#t~malloc1.base|))), 4695#(and (not (= 0 main_~item~0.base)) (= main_~item~0.offset 0)), 4696#(and (= 0 |main_#t~malloc5.offset|) (not (= 0 main_~item~0.base)) (= main_~item~0.offset 0)), 4697#(and (= main_~item~0.offset main_~lItem~0.offset) (not (= 0 main_~item~0.base)) (= main_~item~0.offset 0)), 4698#(and (= main_~item~0.offset main_~lItem~0.offset) (= main_~item~0.offset main_~data~0.offset) (not (= 0 main_~item~0.base)) (= main_~item~0.offset 0) (= main_~data~0.base main_~lItem~0.base)), 4699#(not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))), 4700#(not (= 0 |main_#t~mem28.base|)), 4701#(not (= 0 main_~item~0.base))] [2018-02-04 02:14:00,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:00,601 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 02:14:00,601 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 02:14:00,601 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-02-04 02:14:00,601 INFO L87 Difference]: Start difference. First operand 189 states and 233 transitions. Second operand 10 states. [2018-02-04 02:14:00,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:00,748 INFO L93 Difference]: Finished difference Result 206 states and 249 transitions. [2018-02-04 02:14:00,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 02:14:00,748 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2018-02-04 02:14:00,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:00,749 INFO L225 Difference]: With dead ends: 206 [2018-02-04 02:14:00,749 INFO L226 Difference]: Without dead ends: 206 [2018-02-04 02:14:00,750 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2018-02-04 02:14:00,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-02-04 02:14:00,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 189. [2018-02-04 02:14:00,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-02-04 02:14:00,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 232 transitions. [2018-02-04 02:14:00,752 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 232 transitions. Word has length 37 [2018-02-04 02:14:00,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:00,752 INFO L432 AbstractCegarLoop]: Abstraction has 189 states and 232 transitions. [2018-02-04 02:14:00,753 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 02:14:00,753 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 232 transitions. [2018-02-04 02:14:00,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-02-04 02:14:00,753 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:00,753 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:00,753 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:00,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1729495531, now seen corresponding path program 1 times [2018-02-04 02:14:00,754 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:00,764 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:00,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:00,926 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:14:00,926 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 02:14:00,927 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:00,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:00,927 INFO L182 omatonBuilderFactory]: Interpolants [5120#(and (= 0 |main_#t~malloc5.offset|) (= main_~item~0.offset 0)), 5121#(and (= main_~lItem~0.offset 0) (= main_~item~0.offset 0)), 5122#(and (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (= main_~lItem~0.base main_~data~0.base) (= main_~item~0.offset 0)), 5123#(and (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))), 5124#(and (= main_~data~0.offset 0) (= |main_#t~mem28.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))), 5125#(and (= main_~data~0.offset 0) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))), 5126#(= 0 main_~item2~0.offset), 5116#true, 5117#false, 5118#(= 0 |main_#t~malloc1.offset|), 5119#(= 0 main_~item~0.offset)] [2018-02-04 02:14:00,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:00,927 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 02:14:00,927 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 02:14:00,928 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-02-04 02:14:00,928 INFO L87 Difference]: Start difference. First operand 189 states and 232 transitions. Second operand 11 states. [2018-02-04 02:14:01,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:01,198 INFO L93 Difference]: Finished difference Result 241 states and 286 transitions. [2018-02-04 02:14:01,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 02:14:01,198 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 38 [2018-02-04 02:14:01,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:01,199 INFO L225 Difference]: With dead ends: 241 [2018-02-04 02:14:01,199 INFO L226 Difference]: Without dead ends: 241 [2018-02-04 02:14:01,199 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2018-02-04 02:14:01,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-02-04 02:14:01,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 191. [2018-02-04 02:14:01,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-02-04 02:14:01,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 235 transitions. [2018-02-04 02:14:01,202 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 235 transitions. Word has length 38 [2018-02-04 02:14:01,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:01,202 INFO L432 AbstractCegarLoop]: Abstraction has 191 states and 235 transitions. [2018-02-04 02:14:01,202 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 02:14:01,202 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 235 transitions. [2018-02-04 02:14:01,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-02-04 02:14:01,202 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:01,203 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:01,203 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:01,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1729495532, now seen corresponding path program 1 times [2018-02-04 02:14:01,203 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:01,211 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:01,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 02:14:01,238 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:14:01,238 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 02:14:01,238 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:01,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:01,239 INFO L182 omatonBuilderFactory]: Interpolants [5587#true, 5588#false, 5589#(= main_~item2~0.base main_~item~0.base), 5590#(= 1 (select |#valid| main_~item2~0.base))] [2018-02-04 02:14:01,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 02:14:01,239 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 02:14:01,239 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 02:14:01,239 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 02:14:01,240 INFO L87 Difference]: Start difference. First operand 191 states and 235 transitions. Second operand 4 states. [2018-02-04 02:14:01,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:01,310 INFO L93 Difference]: Finished difference Result 244 states and 299 transitions. [2018-02-04 02:14:01,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 02:14:01,310 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2018-02-04 02:14:01,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:01,311 INFO L225 Difference]: With dead ends: 244 [2018-02-04 02:14:01,311 INFO L226 Difference]: Without dead ends: 244 [2018-02-04 02:14:01,311 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 02:14:01,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-02-04 02:14:01,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 197. [2018-02-04 02:14:01,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-02-04 02:14:01,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 247 transitions. [2018-02-04 02:14:01,323 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 247 transitions. Word has length 38 [2018-02-04 02:14:01,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:01,323 INFO L432 AbstractCegarLoop]: Abstraction has 197 states and 247 transitions. [2018-02-04 02:14:01,323 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 02:14:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 247 transitions. [2018-02-04 02:14:01,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-02-04 02:14:01,323 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:01,323 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:01,323 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:01,324 INFO L82 PathProgramCache]: Analyzing trace with hash 973830348, now seen corresponding path program 1 times [2018-02-04 02:14:01,324 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:01,336 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:01,724 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:01,724 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 02:14:01,724 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:01,724 INFO L182 omatonBuilderFactory]: Interpolants [6048#(and (or (not (= 0 main_~item2~0.offset)) (= main_~item~0.offset 0)) (or (not (= 0 main_~item2~0.offset)) (= 0 main_~item~0.base))), 6049#(and (= 0 main_~item~0.base) (= main_~item~0.offset 0)), 6034#true, 6035#false, 6036#(= 0 |main_#t~malloc1.offset|), 6037#(= main_~item~0.offset 0), 6038#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset 0)), 6039#(and (= 0 |main_#t~malloc5.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= 0 |main_#t~malloc5.base|)) (= main_~item~0.offset 0)), 6040#(and (or (= main_~item~0.base main_~lItem~0.base) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= 0 main_~lItem~0.offset) (or (not (= main_~item~0.base main_~lItem~0.base)) (not (= 0 main_~lItem~0.base))) (= main_~item~0.offset 0)), 6041#(and (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (or (= main_~item~0.base main_~lItem~0.base) (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~item~0.base) main_~item~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~item~0.base) main_~item~0.offset)) (= main_~data~0.base main_~lItem~0.base))) (or (not (= main_~item~0.base main_~lItem~0.base)) (and (not (= 0 main_~data~0.base)) (= main_~data~0.base main_~lItem~0.base))) (= main_~item~0.offset 0)), 6042#(and (= main_~data~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0))) (and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 main_~data~0.base))))), 6043#(and (= main_~data~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem28.base|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem28.base|) 0))) (and (= main_~data~0.base |main_#t~mem28.base|) (not (= main_~data~0.base 0))))), 6044#(and (= main_~data~0.offset 0) (or (and (or (not (= 0 main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (or (not (= 0 main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)))) (and (= main_~data~0.base main_~item~0.base) (not (= main_~data~0.base 0))))), 6045#(or (and (or (not (= 0 main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (or (not (= 0 main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)))) (= 0 (select |#valid| main_~item~0.base))), 6046#(or (and (or (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (not (= 0 main_~item2~0.offset))) (or (not (= 0 main_~item2~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= 0 (select |#valid| main_~item~0.base))), 6047#(and (or (= 0 |main_#t~mem29.offset|) (not (= 0 main_~item2~0.offset))) (or (not (= 0 main_~item2~0.offset)) (= 0 |main_#t~mem29.base|)))] [2018-02-04 02:14:01,725 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:01,725 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 02:14:01,725 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 02:14:01,725 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2018-02-04 02:14:01,725 INFO L87 Difference]: Start difference. First operand 197 states and 247 transitions. Second operand 16 states. [2018-02-04 02:14:02,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:02,546 INFO L93 Difference]: Finished difference Result 214 states and 263 transitions. [2018-02-04 02:14:02,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 02:14:02,546 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 41 [2018-02-04 02:14:02,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:02,547 INFO L225 Difference]: With dead ends: 214 [2018-02-04 02:14:02,547 INFO L226 Difference]: Without dead ends: 214 [2018-02-04 02:14:02,548 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=241, Invalid=1091, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 02:14:02,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-02-04 02:14:02,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 199. [2018-02-04 02:14:02,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-02-04 02:14:02,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 249 transitions. [2018-02-04 02:14:02,551 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 249 transitions. Word has length 41 [2018-02-04 02:14:02,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:02,552 INFO L432 AbstractCegarLoop]: Abstraction has 199 states and 249 transitions. [2018-02-04 02:14:02,552 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 02:14:02,552 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 249 transitions. [2018-02-04 02:14:02,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-02-04 02:14:02,552 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:02,553 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:02,553 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:02,553 INFO L82 PathProgramCache]: Analyzing trace with hash 123968272, now seen corresponding path program 1 times [2018-02-04 02:14:02,554 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:02,568 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:02,833 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:02,834 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:02,834 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 02:14:02,834 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:02,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:02,834 INFO L182 omatonBuilderFactory]: Interpolants [6507#true, 6508#false, 6509#(= |#valid| |old(#valid)|), 6510#(and (= |old(#valid)| (store |#valid| |main_#t~malloc1.base| 0)) (= 0 |main_#t~malloc1.offset|)), 6511#(and (= (store |#valid| main_~item~0.base 0) |old(#valid)|) (= main_~item~0.offset 0)), 6512#(and (= 0 |main_#t~malloc5.offset|) (not (= 0 |main_#t~malloc5.base|)) (= (store (store |#valid| |main_#t~malloc5.base| 0) main_~item~0.base 0) |old(#valid)|) (= main_~item~0.offset 0)), 6513#(and (= main_~item~0.offset main_~lItem~0.offset) (not (= 0 main_~lItem~0.base)) (= main_~item~0.offset 0) (= |old(#valid)| (store (store |#valid| main_~lItem~0.base 0) main_~item~0.base 0))), 6514#(and (= (store (store |#valid| main_~data~0.base 0) main_~item~0.base 0) |old(#valid)|) (= main_~item~0.offset main_~lItem~0.offset) (= main_~lItem~0.base main_~data~0.base) (= main_~item~0.offset main_~data~0.offset) (not (= 0 main_~data~0.base)) (= main_~item~0.offset 0)), 6515#(and (= (store (store |#valid| main_~data~0.base 0) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) 0) |old(#valid)|) (not (= 0 main_~data~0.base))), 6516#(and (not (= main_~data~0.base 0)) (= (store (store |#valid| main_~data~0.base 0) |main_#t~mem28.base| 0) |old(#valid)|)), 6517#(and (= (store (store |#valid| main_~data~0.base 0) main_~item~0.base 0) |old(#valid)|) (not (= main_~data~0.base 0))), 6518#(= (store |#valid| main_~item~0.base 0) |old(#valid)|), 6519#(and (or (not (= 0 main_~item2~0.base)) (not (= main_~item2~0.offset 0))) (= (store |#valid| main_~item2~0.base 0) |old(#valid)|))] [2018-02-04 02:14:02,835 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:02,835 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 02:14:02,835 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 02:14:02,835 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2018-02-04 02:14:02,835 INFO L87 Difference]: Start difference. First operand 199 states and 249 transitions. Second operand 13 states. [2018-02-04 02:14:03,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:03,444 INFO L93 Difference]: Finished difference Result 202 states and 251 transitions. [2018-02-04 02:14:03,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 02:14:03,444 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 42 [2018-02-04 02:14:03,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:03,445 INFO L225 Difference]: With dead ends: 202 [2018-02-04 02:14:03,445 INFO L226 Difference]: Without dead ends: 186 [2018-02-04 02:14:03,445 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2018-02-04 02:14:03,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-02-04 02:14:03,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 185. [2018-02-04 02:14:03,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-02-04 02:14:03,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 234 transitions. [2018-02-04 02:14:03,447 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 234 transitions. Word has length 42 [2018-02-04 02:14:03,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:03,448 INFO L432 AbstractCegarLoop]: Abstraction has 185 states and 234 transitions. [2018-02-04 02:14:03,448 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 02:14:03,448 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 234 transitions. [2018-02-04 02:14:03,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 02:14:03,448 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:03,448 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 02:14:03,448 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:03,448 INFO L82 PathProgramCache]: Analyzing trace with hash -371711118, now seen corresponding path program 1 times [2018-02-04 02:14:03,449 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:03,459 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:03,685 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:03,685 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 02:14:03,685 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:03,686 INFO L182 omatonBuilderFactory]: Interpolants [6927#true, 6928#false, 6929#(= 0 |main_#t~malloc5.offset|), 6930#(= 0 main_~lItem~0.offset), 6931#(= main_~data~0.offset 0), 6932#(and (= 0 main_~data~0.offset) (= main_~data~0.offset |main_#t~malloc5.offset|)), 6933#(or (not (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 6934#(and (or (= 1 (select |#valid| main_~lItem~0.base)) (= main_~lItem~0.base main_~data~0.base)) (or (not (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset))), 6935#(and (or (not (= main_~lItem~0.base main_~data~0.base)) (and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~data~0.offset)))) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base))), 6936#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 6937#(or (and (= main_~data~0.base |main_#t~mem11.base|) (= main_~data~0.offset |main_#t~mem11.offset|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 6938#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 6939#(= 1 (select |#valid| |main_#t~mem13.base|))] [2018-02-04 02:14:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:03,686 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 02:14:03,687 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 02:14:03,687 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-02-04 02:14:03,687 INFO L87 Difference]: Start difference. First operand 185 states and 234 transitions. Second operand 13 states. [2018-02-04 02:14:04,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:04,049 INFO L93 Difference]: Finished difference Result 211 states and 238 transitions. [2018-02-04 02:14:04,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 02:14:04,049 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2018-02-04 02:14:04,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:04,050 INFO L225 Difference]: With dead ends: 211 [2018-02-04 02:14:04,050 INFO L226 Difference]: Without dead ends: 211 [2018-02-04 02:14:04,051 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2018-02-04 02:14:04,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-02-04 02:14:04,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 185. [2018-02-04 02:14:04,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-02-04 02:14:04,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 233 transitions. [2018-02-04 02:14:04,054 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 233 transitions. Word has length 53 [2018-02-04 02:14:04,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:04,055 INFO L432 AbstractCegarLoop]: Abstraction has 185 states and 233 transitions. [2018-02-04 02:14:04,055 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 02:14:04,055 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 233 transitions. [2018-02-04 02:14:04,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 02:14:04,055 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:04,055 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 02:14:04,055 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:04,056 INFO L82 PathProgramCache]: Analyzing trace with hash -371711117, now seen corresponding path program 1 times [2018-02-04 02:14:04,056 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:04,071 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:04,191 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:04,191 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:04,191 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 02:14:04,191 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:04,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:04,192 INFO L182 omatonBuilderFactory]: Interpolants [7360#(and (not (= main_~lItem~0.base main_~data~0.base)) (= 8 (select |#length| main_~lItem~0.base)) (= 0 main_~lItem~0.offset)), 7361#(and (not (= main_~lItem~0.base main_~data~0.base)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset))), 7362#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 7363#(and (= (select |#length| |main_#t~mem13.base|) 8) (= |main_#t~mem13.offset| 0)), 7354#true, 7355#false, 7356#(= (select |#valid| main_~lItem~0.base) 1), 7357#(and (= (select |#valid| main_~lItem~0.base) 1) (= main_~lItem~0.base main_~data~0.base)), 7358#(= (select |#valid| main_~data~0.base) 1), 7359#(and (= 0 |main_#t~malloc5.offset|) (= 8 (select |#length| |main_#t~malloc5.base|)) (not (= main_~data~0.base |main_#t~malloc5.base|)))] [2018-02-04 02:14:04,192 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:04,192 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 02:14:04,192 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 02:14:04,193 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-02-04 02:14:04,193 INFO L87 Difference]: Start difference. First operand 185 states and 233 transitions. Second operand 10 states. [2018-02-04 02:14:04,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:04,705 INFO L93 Difference]: Finished difference Result 225 states and 252 transitions. [2018-02-04 02:14:04,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 02:14:04,705 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2018-02-04 02:14:04,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:04,706 INFO L225 Difference]: With dead ends: 225 [2018-02-04 02:14:04,706 INFO L226 Difference]: Without dead ends: 225 [2018-02-04 02:14:04,706 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2018-02-04 02:14:04,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-02-04 02:14:04,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 185. [2018-02-04 02:14:04,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-02-04 02:14:04,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 232 transitions. [2018-02-04 02:14:04,710 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 232 transitions. Word has length 53 [2018-02-04 02:14:04,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:04,710 INFO L432 AbstractCegarLoop]: Abstraction has 185 states and 232 transitions. [2018-02-04 02:14:04,710 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 02:14:04,710 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 232 transitions. [2018-02-04 02:14:04,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 02:14:04,711 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:04,711 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 02:14:04,711 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:04,711 INFO L82 PathProgramCache]: Analyzing trace with hash 332910388, now seen corresponding path program 1 times [2018-02-04 02:14:04,712 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:04,724 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:04,802 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:04,802 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:04,802 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 02:14:04,803 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:04,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:04,803 INFO L182 omatonBuilderFactory]: Interpolants [7808#(and (not (= main_~lItem~0.base main_~data~0.base)) (= (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset) main_~lItem~0.base)), 7809#(not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base)), 7810#(and (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base))), 7799#true, 7800#false, 7801#(= (select |#valid| main_~lItem~0.base) 1), 7802#(and (= (select |#valid| main_~lItem~0.base) 1) (= main_~data~0.base main_~lItem~0.base)), 7803#(= (select |#valid| main_~data~0.base) 1), 7804#(or (= main_~data~0.base |main_#t~malloc1.base|) (= (select |#valid| main_~data~0.base) 1)), 7805#(or (= main_~item~0.base main_~data~0.base) (= (select |#valid| main_~data~0.base) 1)), 7806#(not (= main_~data~0.base |main_#t~malloc5.base|)), 7807#(not (= main_~lItem~0.base main_~data~0.base))] [2018-02-04 02:14:04,803 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:04,803 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 02:14:04,803 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 02:14:04,803 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-02-04 02:14:04,803 INFO L87 Difference]: Start difference. First operand 185 states and 232 transitions. Second operand 12 states. [2018-02-04 02:14:05,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:05,155 INFO L93 Difference]: Finished difference Result 211 states and 237 transitions. [2018-02-04 02:14:05,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 02:14:05,156 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 55 [2018-02-04 02:14:05,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:05,156 INFO L225 Difference]: With dead ends: 211 [2018-02-04 02:14:05,156 INFO L226 Difference]: Without dead ends: 211 [2018-02-04 02:14:05,157 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2018-02-04 02:14:05,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-02-04 02:14:05,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 182. [2018-02-04 02:14:05,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-02-04 02:14:05,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 228 transitions. [2018-02-04 02:14:05,160 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 228 transitions. Word has length 55 [2018-02-04 02:14:05,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:05,160 INFO L432 AbstractCegarLoop]: Abstraction has 182 states and 228 transitions. [2018-02-04 02:14:05,160 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 02:14:05,160 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 228 transitions. [2018-02-04 02:14:05,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-02-04 02:14:05,160 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:05,161 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1] [2018-02-04 02:14:05,161 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:05,161 INFO L82 PathProgramCache]: Analyzing trace with hash 829324340, now seen corresponding path program 1 times [2018-02-04 02:14:05,161 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:05,170 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:05,199 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 02:14:05,199 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:14:05,199 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 02:14:05,200 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:05,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:05,200 INFO L182 omatonBuilderFactory]: Interpolants [8229#true, 8230#false, 8231#(= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)), 8232#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 8233#(= 1 (select |#valid| |main_#t~mem15.base|)), 8234#(= 1 (select |#valid| main_~lItem~0.base))] [2018-02-04 02:14:05,200 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 02:14:05,200 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 02:14:05,200 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 02:14:05,200 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 02:14:05,201 INFO L87 Difference]: Start difference. First operand 182 states and 228 transitions. Second operand 6 states. [2018-02-04 02:14:05,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:05,354 INFO L93 Difference]: Finished difference Result 181 states and 226 transitions. [2018-02-04 02:14:05,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 02:14:05,357 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-02-04 02:14:05,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:05,358 INFO L225 Difference]: With dead ends: 181 [2018-02-04 02:14:05,358 INFO L226 Difference]: Without dead ends: 181 [2018-02-04 02:14:05,358 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-02-04 02:14:05,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-02-04 02:14:05,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-02-04 02:14:05,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-02-04 02:14:05,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 226 transitions. [2018-02-04 02:14:05,361 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 226 transitions. Word has length 57 [2018-02-04 02:14:05,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:05,361 INFO L432 AbstractCegarLoop]: Abstraction has 181 states and 226 transitions. [2018-02-04 02:14:05,361 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 02:14:05,361 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 226 transitions. [2018-02-04 02:14:05,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-02-04 02:14:05,361 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:05,362 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1] [2018-02-04 02:14:05,362 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:05,362 INFO L82 PathProgramCache]: Analyzing trace with hash 829324341, now seen corresponding path program 1 times [2018-02-04 02:14:05,362 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:05,377 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:05,503 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:05,503 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 02:14:05,503 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:05,504 INFO L182 omatonBuilderFactory]: Interpolants [8608#(= (select |#valid| main_~data~0.base) 1), 8609#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~data~0.base |main_#t~malloc5.base|))), 8610#(and (not (= main_~lItem~0.base main_~data~0.base)) (= 0 main_~lItem~0.offset)), 8611#(and (not (= main_~lItem~0.base main_~data~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset))), 8612#(= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)), 8613#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= |main_#t~mem13.offset| 0) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 8614#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 8615#(and (<= 0 |main_#t~mem15.offset|) (<= (+ |main_#t~mem15.offset| 8) (select |#length| |main_#t~mem15.base|))), 8616#(and (<= 0 main_~lItem~0.offset) (<= (+ main_~lItem~0.offset 8) (select |#length| main_~lItem~0.base))), 8604#true, 8605#false, 8606#(= (select |#valid| main_~lItem~0.base) 1), 8607#(and (= (select |#valid| main_~lItem~0.base) 1) (= main_~lItem~0.base main_~data~0.base))] [2018-02-04 02:14:05,504 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:05,504 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 02:14:05,504 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 02:14:05,504 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-02-04 02:14:05,504 INFO L87 Difference]: Start difference. First operand 181 states and 226 transitions. Second operand 13 states. [2018-02-04 02:14:05,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:05,971 INFO L93 Difference]: Finished difference Result 241 states and 268 transitions. [2018-02-04 02:14:05,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 02:14:05,971 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 57 [2018-02-04 02:14:05,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:05,971 INFO L225 Difference]: With dead ends: 241 [2018-02-04 02:14:05,971 INFO L226 Difference]: Without dead ends: 241 [2018-02-04 02:14:05,972 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2018-02-04 02:14:05,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-02-04 02:14:05,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 181. [2018-02-04 02:14:05,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-02-04 02:14:05,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 225 transitions. [2018-02-04 02:14:05,974 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 225 transitions. Word has length 57 [2018-02-04 02:14:05,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:05,974 INFO L432 AbstractCegarLoop]: Abstraction has 181 states and 225 transitions. [2018-02-04 02:14:05,974 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 02:14:05,974 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 225 transitions. [2018-02-04 02:14:05,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 02:14:05,974 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:05,974 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1] [2018-02-04 02:14:05,974 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:05,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1749588011, now seen corresponding path program 1 times [2018-02-04 02:14:05,975 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:05,985 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:06,158 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:06,158 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:06,158 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 02:14:06,158 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:06,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:06,159 INFO L182 omatonBuilderFactory]: Interpolants [9088#(and (<= main_~lItem~0.offset 0) (<= 0 main_~lItem~0.offset)), 9075#true, 9076#false, 9077#(= (select |#valid| main_~lItem~0.base) 1), 9078#(and (= (select |#valid| main_~lItem~0.base) 1) (= main_~lItem~0.base main_~data~0.base)), 9079#(= (select |#valid| main_~data~0.base) 1), 9080#(and (= 8 (select |#length| |main_#t~malloc5.base|)) (not (= main_~data~0.base |main_#t~malloc5.base|))), 9081#(and (not (= main_~lItem~0.base main_~data~0.base)) (= 8 (select |#length| main_~lItem~0.base))), 9082#(and (not (= main_~lItem~0.base main_~data~0.base)) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)))), 9083#(= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 9084#(and (= |main_#t~mem13.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 9085#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 9086#(and (<= (+ |main_#t~mem15.offset| 8) (select |#length| |main_#t~mem15.base|)) (= 8 (select |#length| |main_#t~mem15.base|))), 9087#(and (<= (+ main_~lItem~0.offset 8) (select |#length| main_~lItem~0.base)) (= (select |#length| main_~lItem~0.base) 8))] [2018-02-04 02:14:06,159 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:06,159 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 02:14:06,159 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 02:14:06,160 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-02-04 02:14:06,160 INFO L87 Difference]: Start difference. First operand 181 states and 225 transitions. Second operand 14 states. [2018-02-04 02:14:06,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:06,776 INFO L93 Difference]: Finished difference Result 240 states and 267 transitions. [2018-02-04 02:14:06,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 02:14:06,776 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 60 [2018-02-04 02:14:06,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:06,777 INFO L225 Difference]: With dead ends: 240 [2018-02-04 02:14:06,777 INFO L226 Difference]: Without dead ends: 240 [2018-02-04 02:14:06,777 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=852, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 02:14:06,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-02-04 02:14:06,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 181. [2018-02-04 02:14:06,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-02-04 02:14:06,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 224 transitions. [2018-02-04 02:14:06,780 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 224 transitions. Word has length 60 [2018-02-04 02:14:06,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:06,780 INFO L432 AbstractCegarLoop]: Abstraction has 181 states and 224 transitions. [2018-02-04 02:14:06,780 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 02:14:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 224 transitions. [2018-02-04 02:14:06,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 02:14:06,781 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:06,781 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:06,781 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:06,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1689977905, now seen corresponding path program 1 times [2018-02-04 02:14:06,782 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:06,807 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:07,527 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:07,527 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 02:14:07,527 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:07,527 INFO L182 omatonBuilderFactory]: Interpolants [9568#(and (= main_~data~0.offset 0) (= 0 |main_#t~mem12.offset|) (= 8 (select |#length| |main_#t~mem12.base|))), 9569#(and (= main_~data~0.offset 0) (= (select |#length| main_~item~0.base) 8) (= main_~item~0.offset 0)), 9570#(and (= (select |#length| main_~item~0.base) 8) (= main_~item~0.offset 0)), 9551#true, 9552#false, 9553#(and (= (select |#valid| |main_#t~malloc1.base|) 1) (= 0 |main_#t~malloc1.offset|) (= 8 (select |#length| |main_#t~malloc1.base|))), 9554#(and (= 8 (select |#length| main_~item~0.base)) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.offset 0)), 9555#(and (= 0 |main_#t~malloc5.offset|) (= 8 (select |#length| main_~item~0.base)) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.offset 0)), 9556#(and (= 8 (select |#length| main_~item~0.base)) (= main_~lItem~0.offset 0) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.offset 0)), 9557#(and (= 8 (select |#length| main_~item~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (= (select |#valid| main_~lItem~0.base) (select |#valid| main_~item~0.base)) (= main_~lItem~0.offset 0) (= main_~item~0.offset 0)), 9558#(and (= 8 (select |#length| main_~item~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (= (select |#valid| main_~lItem~0.base) (select |#valid| main_~item~0.base)) (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset) (= main_~item~0.offset 0) (= main_~data~0.base main_~lItem~0.base)), 9559#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 1) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= (select |#valid| main_~data~0.base) 1)), 9560#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))), 9561#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base))), 9562#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))), 9563#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= main_~data~0.offset |main_#t~malloc5.offset|)), 9564#(and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset)), 9565#(and (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) (+ main_~data~0.offset 4))) (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4))))) (= main_~lItem~0.base main_~data~0.base)) (or (not (= main_~lItem~0.base main_~data~0.base)) (and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~data~0.offset))))), 9566#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))) (and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))))), 9567#(and (= main_~data~0.offset 0) (or (and (= main_~data~0.base |main_#t~mem11.base|) (= main_~data~0.offset |main_#t~mem11.offset|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))))))] [2018-02-04 02:14:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:07,528 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 02:14:07,528 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 02:14:07,528 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2018-02-04 02:14:07,528 INFO L87 Difference]: Start difference. First operand 181 states and 224 transitions. Second operand 20 states. [2018-02-04 02:14:08,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:08,594 INFO L93 Difference]: Finished difference Result 301 states and 355 transitions. [2018-02-04 02:14:08,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 02:14:08,595 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 64 [2018-02-04 02:14:08,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:08,595 INFO L225 Difference]: With dead ends: 301 [2018-02-04 02:14:08,595 INFO L226 Difference]: Without dead ends: 301 [2018-02-04 02:14:08,596 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 10 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=369, Invalid=1191, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 02:14:08,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-02-04 02:14:08,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 193. [2018-02-04 02:14:08,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-02-04 02:14:08,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 246 transitions. [2018-02-04 02:14:08,598 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 246 transitions. Word has length 64 [2018-02-04 02:14:08,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:08,598 INFO L432 AbstractCegarLoop]: Abstraction has 193 states and 246 transitions. [2018-02-04 02:14:08,598 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 02:14:08,598 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 246 transitions. [2018-02-04 02:14:08,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 02:14:08,598 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:08,598 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:08,598 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:08,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1689977904, now seen corresponding path program 1 times [2018-02-04 02:14:08,599 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:08,613 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:09,327 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:09,327 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:09,327 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 02:14:09,327 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:09,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:09,328 INFO L182 omatonBuilderFactory]: Interpolants [10112#(and (= 1 (select |#valid| main_~item~0.base)) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 10113#(and (= (select |#valid| main_~lItem~0.base) 1) (= 1 (select |#valid| main_~item~0.base)) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 10114#(and (= (select |#valid| main_~lItem~0.base) 1) (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset) (= 1 (select |#valid| main_~item~0.base)) (= main_~item~0.offset 0) (= main_~data~0.base main_~lItem~0.base)), 10115#(and (= 0 main_~data~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= (select |#valid| main_~data~0.base) 1)), 10116#(and (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 10117#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4)))) (not (= main_~item~0.base main_~data~0.base)) (= 0 main_~data~0.offset)), 10118#(and (= (select |#valid| main_~item~0.base) 1) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 10119#(and (= 0 main_~data~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 10120#(and (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) |main_#t~malloc5.base|)) (= 0 main_~data~0.offset) (not (= 0 |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= main_~data~0.offset |main_#t~malloc5.offset|)), 10121#(and (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))) (= main_~lItem~0.base main_~data~0.base))), 10122#(and (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (or (and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4)) (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4))))) (= main_~lItem~0.base main_~data~0.base)) (or (not (= main_~lItem~0.base main_~data~0.base)) (and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~data~0.offset))))), 10123#(and (= main_~data~0.offset 0) (or (and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))))), 10124#(and (= main_~data~0.offset 0) (or (and (= main_~data~0.base |main_#t~mem11.base|) (= main_~data~0.offset |main_#t~mem11.offset|)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))))), 10125#(and (= main_~data~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 10126#(and (= 1 (select |#valid| |main_#t~mem12.base|)) (= main_~data~0.offset 0) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 10127#(and (= main_~data~0.offset 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 1 (select |#valid| main_~item~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 10128#(and (= main_~data~0.offset 0) (= 1 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base |main_#t~mem15.base|)) (not (= 0 |main_#t~mem15.base|))), 10129#(and (= main_~data~0.offset 0) (= 1 (select (store |#valid| main_~lItem~0.base 0) main_~item~0.base)) (not (= 0 main_~lItem~0.base))), 10130#(and (= main_~data~0.offset 0) (= 1 (select |#valid| main_~item~0.base))), 10131#(= 1 (select |#valid| main_~item~0.base)), 10107#true, 10108#false, 10109#(and (= 0 |main_#t~malloc1.offset|) (= 1 (select |#valid| |main_#t~malloc1.base|))), 10110#(and (= 1 (select |#valid| main_~item~0.base)) (= main_~item~0.offset 0)), 10111#(and (= 0 |main_#t~malloc5.offset|) (= 1 (select |#valid| main_~item~0.base)) (= main_~item~0.offset 0))] [2018-02-04 02:14:09,328 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:09,328 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 02:14:09,328 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 02:14:09,328 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2018-02-04 02:14:09,328 INFO L87 Difference]: Start difference. First operand 193 states and 246 transitions. Second operand 25 states. [2018-02-04 02:14:10,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:10,713 INFO L93 Difference]: Finished difference Result 266 states and 318 transitions. [2018-02-04 02:14:10,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 02:14:10,713 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 64 [2018-02-04 02:14:10,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:10,714 INFO L225 Difference]: With dead ends: 266 [2018-02-04 02:14:10,714 INFO L226 Difference]: Without dead ends: 266 [2018-02-04 02:14:10,715 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 4 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 484 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=503, Invalid=2149, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 02:14:10,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-02-04 02:14:10,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 190. [2018-02-04 02:14:10,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-02-04 02:14:10,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 241 transitions. [2018-02-04 02:14:10,718 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 241 transitions. Word has length 64 [2018-02-04 02:14:10,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:10,718 INFO L432 AbstractCegarLoop]: Abstraction has 190 states and 241 transitions. [2018-02-04 02:14:10,718 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 02:14:10,718 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 241 transitions. [2018-02-04 02:14:10,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-04 02:14:10,719 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:10,719 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:10,719 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:10,719 INFO L82 PathProgramCache]: Analyzing trace with hash 849706751, now seen corresponding path program 1 times [2018-02-04 02:14:10,720 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:10,733 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:10,876 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:10,876 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:10,877 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 02:14:10,877 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:10,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:10,877 INFO L182 omatonBuilderFactory]: Interpolants [10656#(= 1 (select |#valid| main_~dst~0.base)), 10644#true, 10645#false, 10646#(= 1 (select |#valid| main_~lItem~0.base)), 10647#(and (= 1 (select |#valid| main_~lItem~0.base)) (= main_~lItem~0.base main_~data~0.base)), 10648#(= 1 (select |#valid| main_~data~0.base)), 10649#(not (= main_~data~0.base |main_#t~malloc5.base|)), 10650#(not (= main_~data~0.base main_~lItem~0.base)), 10651#(and (not (= main_~data~0.base main_~lItem~0.base)) (= (select |#valid| main_~data~0.base) 1)), 10652#(and (not (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= main_~lItem~0.base main_~data~0.base)) (= (select |#valid| main_~data~0.base) 1)), 10653#(and (= (select |#valid| main_~data~0.base) 1) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 10654#(and (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= main_~data~0.base |main_#t~mem11.base|)) (= (select |#valid| main_~data~0.base) 1)), 10655#(and (= 1 (select |#valid| main_~data~0.base)) (not (= main_~data~0.base |main_#t~mem15.base|)))] [2018-02-04 02:14:10,877 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:10,877 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 02:14:10,878 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 02:14:10,878 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-02-04 02:14:10,878 INFO L87 Difference]: Start difference. First operand 190 states and 241 transitions. Second operand 13 states. [2018-02-04 02:14:11,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:11,145 INFO L93 Difference]: Finished difference Result 232 states and 267 transitions. [2018-02-04 02:14:11,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 02:14:11,145 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 65 [2018-02-04 02:14:11,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:11,146 INFO L225 Difference]: With dead ends: 232 [2018-02-04 02:14:11,146 INFO L226 Difference]: Without dead ends: 232 [2018-02-04 02:14:11,146 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2018-02-04 02:14:11,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-02-04 02:14:11,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 200. [2018-02-04 02:14:11,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-02-04 02:14:11,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 256 transitions. [2018-02-04 02:14:11,148 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 256 transitions. Word has length 65 [2018-02-04 02:14:11,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:11,149 INFO L432 AbstractCegarLoop]: Abstraction has 200 states and 256 transitions. [2018-02-04 02:14:11,149 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 02:14:11,149 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 256 transitions. [2018-02-04 02:14:11,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-04 02:14:11,149 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:11,149 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:11,149 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:11,150 INFO L82 PathProgramCache]: Analyzing trace with hash 849706752, now seen corresponding path program 1 times [2018-02-04 02:14:11,150 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:11,163 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:11,225 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-04 02:14:11,226 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:11,226 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-02-04 02:14:11,226 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:11,226 INFO L182 omatonBuilderFactory]: Interpolants [11111#true, 11112#false, 11113#(= 0 |main_#t~malloc5.offset|), 11114#(= 0 main_~lItem~0.offset), 11115#(= 0 main_~data~0.offset), 11116#(and (= main_~data~0.offset 0) (<= (+ main_~data~0.offset 8) (select |#length| main_~data~0.base))), 11117#(and (<= 4 main_~dst~0.offset) (<= (+ main_~dst~0.offset 4) (select |#length| main_~dst~0.base)))] [2018-02-04 02:14:11,227 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-04 02:14:11,227 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 02:14:11,227 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 02:14:11,227 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-02-04 02:14:11,227 INFO L87 Difference]: Start difference. First operand 200 states and 256 transitions. Second operand 7 states. [2018-02-04 02:14:11,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:11,365 INFO L93 Difference]: Finished difference Result 230 states and 265 transitions. [2018-02-04 02:14:11,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 02:14:11,365 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-02-04 02:14:11,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:11,366 INFO L225 Difference]: With dead ends: 230 [2018-02-04 02:14:11,366 INFO L226 Difference]: Without dead ends: 230 [2018-02-04 02:14:11,366 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2018-02-04 02:14:11,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-02-04 02:14:11,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 206. [2018-02-04 02:14:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-02-04 02:14:11,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 259 transitions. [2018-02-04 02:14:11,369 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 259 transitions. Word has length 65 [2018-02-04 02:14:11,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:11,369 INFO L432 AbstractCegarLoop]: Abstraction has 206 states and 259 transitions. [2018-02-04 02:14:11,370 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 02:14:11,370 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 259 transitions. [2018-02-04 02:14:11,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-04 02:14:11,370 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:11,370 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:11,370 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:11,370 INFO L82 PathProgramCache]: Analyzing trace with hash 849707555, now seen corresponding path program 1 times [2018-02-04 02:14:11,371 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:11,385 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:11,947 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:11,947 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 02:14:11,947 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:11,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:11,947 INFO L182 omatonBuilderFactory]: Interpolants [11584#(and (= 1 (select (store |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) 0) main_~item2~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 11585#(and (= 1 (select (store |#valid| |main_#t~mem15.base| 0) main_~item2~0.base)) (not (= 0 |main_#t~mem15.base|))), 11586#(and (not (= 0 main_~lItem~0.base)) (= 1 (select (store |#valid| main_~lItem~0.base 0) main_~item2~0.base))), 11587#(= 1 (select |#valid| main_~item2~0.base)), 11567#true, 11568#false, 11569#(= 0 |main_#t~malloc1.offset|), 11570#(= main_~item~0.offset 0), 11571#(and (= 0 |main_#t~malloc5.offset|) (= main_~item~0.offset 0)), 11572#(and (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 11573#(and (= 0 main_~data~0.offset) (= main_~item~0.offset 0)), 11574#(= 0 main_~data~0.offset), 11575#(and (= (select |#valid| main_~item~0.base) 1) (= 0 main_~data~0.offset)), 11576#(and (= 1 (select (store |#valid| |main_#t~malloc5.base| 0) main_~item~0.base)) (not (= 0 |main_#t~malloc5.base|)) (= 0 main_~data~0.offset) (= main_~data~0.offset |main_#t~malloc5.offset|)), 11577#(and (= 1 (select (store |#valid| main_~lItem~0.base 0) main_~item~0.base)) (not (= 0 main_~lItem~0.base)) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset)), 11578#(and (or (and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= 0 main_~data~0.offset) (= 1 (select (store |#valid| (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset) 0) main_~item~0.base))) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0) (or (not (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset)), 11579#(and (or (and (= 1 (select (store |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 11580#(and (or (= main_~data~0.base |main_#t~mem11.base|) (and (= 1 (select (store |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))))) (= main_~data~0.offset |main_#t~mem11.offset|)), 11581#(and (= 1 (select (store |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 11582#(and (= |main_#t~mem13.offset| 0) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 1 (select (store |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ |main_#t~mem13.offset| 4))))), 11583#(and (= 1 (select (store |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) 0) |main_#t~mem14.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))))] [2018-02-04 02:14:11,947 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:11,948 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 02:14:11,948 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 02:14:11,948 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2018-02-04 02:14:11,948 INFO L87 Difference]: Start difference. First operand 206 states and 259 transitions. Second operand 21 states. [2018-02-04 02:14:13,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:13,077 INFO L93 Difference]: Finished difference Result 338 states and 378 transitions. [2018-02-04 02:14:13,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 02:14:13,077 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 65 [2018-02-04 02:14:13,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:13,078 INFO L225 Difference]: With dead ends: 338 [2018-02-04 02:14:13,078 INFO L226 Difference]: Without dead ends: 338 [2018-02-04 02:14:13,079 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=411, Invalid=2139, Unknown=0, NotChecked=0, Total=2550 [2018-02-04 02:14:13,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-02-04 02:14:13,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 206. [2018-02-04 02:14:13,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-02-04 02:14:13,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 258 transitions. [2018-02-04 02:14:13,081 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 258 transitions. Word has length 65 [2018-02-04 02:14:13,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:13,081 INFO L432 AbstractCegarLoop]: Abstraction has 206 states and 258 transitions. [2018-02-04 02:14:13,081 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 02:14:13,081 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 258 transitions. [2018-02-04 02:14:13,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-04 02:14:13,082 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:13,082 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:13,082 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:13,082 INFO L82 PathProgramCache]: Analyzing trace with hash 849707556, now seen corresponding path program 1 times [2018-02-04 02:14:13,082 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:13,092 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:13,567 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:13,568 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:13,568 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 02:14:13,568 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:13,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:13,568 INFO L182 omatonBuilderFactory]: Interpolants [12194#true, 12195#false, 12196#(= 0 |main_#t~malloc1.offset|), 12197#(= main_~item~0.offset 0), 12198#(and (= 0 |main_#t~malloc5.offset|) (= main_~item~0.offset 0)), 12199#(and (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 12200#(and (= 0 main_~data~0.offset) (= main_~item~0.offset 0)), 12201#(= 0 main_~data~0.offset), 12202#(and (= 0 main_~data~0.offset) (= 0 |main_#t~malloc1.offset|) (= 8 (select |#length| |main_#t~malloc1.base|))), 12203#(and (= 8 (select |#length| main_~item~0.base)) (= 0 main_~item~0.offset) (= 0 main_~data~0.offset)), 12204#(and (= 8 (select |#length| main_~item~0.base)) (= 0 main_~item~0.offset) (= 0 main_~data~0.offset) (= main_~data~0.offset |main_#t~malloc5.offset|)), 12205#(and (= 8 (select |#length| main_~item~0.base)) (= 0 main_~item~0.offset) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset)), 12206#(and (or (and (= 8 (select |#length| main_~item~0.base)) (= 0 main_~item~0.offset) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (or (not (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset))) (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset))), 12207#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 12208#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))))) (= main_~data~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 12209#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))))), 12210#(and (= |main_#t~mem13.offset| 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4)))), 12211#(and (= 8 (select |#length| |main_#t~mem14.base|)) (= 0 |main_#t~mem14.offset|)), 12212#(and (= main_~item2~0.offset 0) (= (select |#length| main_~item2~0.base) 8))] [2018-02-04 02:14:13,568 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:13,569 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 02:14:13,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 02:14:13,569 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-02-04 02:14:13,569 INFO L87 Difference]: Start difference. First operand 206 states and 258 transitions. Second operand 19 states. [2018-02-04 02:14:14,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:14,259 INFO L93 Difference]: Finished difference Result 284 states and 324 transitions. [2018-02-04 02:14:14,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 02:14:14,259 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 65 [2018-02-04 02:14:14,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:14,260 INFO L225 Difference]: With dead ends: 284 [2018-02-04 02:14:14,260 INFO L226 Difference]: Without dead ends: 284 [2018-02-04 02:14:14,261 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=351, Invalid=1371, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 02:14:14,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-02-04 02:14:14,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 218. [2018-02-04 02:14:14,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-02-04 02:14:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 278 transitions. [2018-02-04 02:14:14,263 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 278 transitions. Word has length 65 [2018-02-04 02:14:14,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:14,263 INFO L432 AbstractCegarLoop]: Abstraction has 218 states and 278 transitions. [2018-02-04 02:14:14,264 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 02:14:14,264 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 278 transitions. [2018-02-04 02:14:14,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-04 02:14:14,264 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:14,264 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:14,264 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:14,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1089938622, now seen corresponding path program 1 times [2018-02-04 02:14:14,265 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:14,277 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:14,727 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:14,727 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:14,727 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 02:14:14,728 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:14,728 INFO L182 omatonBuilderFactory]: Interpolants [12768#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 12769#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 12770#(and (= main_~data~0.offset 0) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 12771#(and (= main_~data~0.offset 0) (not (= main_~item~0.base main_~data~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 12772#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 12773#(and (= 0 main_~data~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 12774#(and (or (= main_~lItem~0.base main_~data~0.base) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset main_~lItem~0.offset)), 12775#(and (or (= main_~lItem~0.base main_~data~0.base) (= main_~data~0.base |main_#t~mem7.base|)) (= main_~data~0.offset main_~lItem~0.offset)), 12776#(and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset main_~lItem~0.offset)), 12777#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset) (or (and (= main_~lItem~0.offset main_~data~0.offset) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base))), 12778#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 12779#(and (= main_~data~0.offset |main_#t~mem11.offset|) (or (= main_~data~0.base |main_#t~mem11.base|) (and (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)))), 12780#(= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 12781#(= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)), 12782#(= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)), 12783#(= main_~data~0.base |main_#t~mem17.base|), 12784#(= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)), 12785#(= 1 (select |#valid| |main_#t~mem27.base|)), 12786#(= 1 (select |#valid| main_~data~0.base)), 12763#true, 12764#false, 12765#(= |main_#t~malloc5.offset| 0), 12766#(= 0 main_~lItem~0.offset), 12767#(and (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)))] [2018-02-04 02:14:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:14,728 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 02:14:14,728 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 02:14:14,728 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2018-02-04 02:14:14,729 INFO L87 Difference]: Start difference. First operand 218 states and 278 transitions. Second operand 24 states. [2018-02-04 02:14:15,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:15,510 INFO L93 Difference]: Finished difference Result 274 states and 339 transitions. [2018-02-04 02:14:15,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 02:14:15,510 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 70 [2018-02-04 02:14:15,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:15,511 INFO L225 Difference]: With dead ends: 274 [2018-02-04 02:14:15,511 INFO L226 Difference]: Without dead ends: 274 [2018-02-04 02:14:15,511 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=304, Invalid=1676, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 02:14:15,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2018-02-04 02:14:15,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 262. [2018-02-04 02:14:15,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-02-04 02:14:15,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 327 transitions. [2018-02-04 02:14:15,515 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 327 transitions. Word has length 70 [2018-02-04 02:14:15,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:15,515 INFO L432 AbstractCegarLoop]: Abstraction has 262 states and 327 transitions. [2018-02-04 02:14:15,515 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 02:14:15,515 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 327 transitions. [2018-02-04 02:14:15,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-04 02:14:15,516 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:15,516 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:15,516 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:15,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1089938621, now seen corresponding path program 1 times [2018-02-04 02:14:15,517 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:15,530 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:16,201 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:16,201 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:16,201 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 02:14:16,201 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:16,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:16,201 INFO L182 omatonBuilderFactory]: Interpolants [13376#(and (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 13377#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (not (= main_~item~0.base main_~data~0.base)) (= 0 main_~data~0.offset) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 13378#(and (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 13379#(and (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 13380#(and (or (= main_~lItem~0.base main_~data~0.base) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset)), 13381#(and (= main_~data~0.offset 0) (or (and (= 0 |main_#t~mem7.offset|) (= main_~data~0.base |main_#t~mem7.base|)) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 13382#(and (= main_~data~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset main_~lItem~0.offset)), 13383#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset) (or (and (= main_~lItem~0.offset main_~data~0.offset) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~data~0.offset))), 13384#(and (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 13385#(and (= main_~data~0.offset 0) (or (= main_~data~0.base |main_#t~mem11.base|) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|))) (= main_~data~0.offset |main_#t~mem11.offset|)), 13386#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 13387#(and (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (<= (+ main_~data~0.offset 8) (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 13388#(and (= main_~data~0.offset 0) (<= (+ main_~data~0.offset 8) (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 13389#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset)) (<= (+ main_~data~0.offset 8) (select |#length| main_~data~0.base))), 13390#(and (= main_~data~0.base |main_#t~mem17.base|) (= main_~data~0.offset 0) (<= (+ main_~data~0.offset 8) (select |#length| main_~data~0.base)) (= 0 |main_#t~mem17.offset|)), 13391#(and (= main_~data~0.offset 0) (<= (+ main_~data~0.offset 8) (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 13392#(and (= 0 |main_#t~mem27.offset|) (<= 8 (select |#length| |main_#t~mem27.base|))), 13393#(and (= main_~data~0.offset 0) (<= 8 (select |#length| main_~data~0.base))), 13369#true, 13370#false, 13371#(= |main_#t~malloc5.offset| 0), 13372#(= 0 main_~lItem~0.offset), 13373#(and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))), 13374#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 13375#(and (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1))] [2018-02-04 02:14:16,201 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:16,202 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 02:14:16,202 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 02:14:16,202 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2018-02-04 02:14:16,202 INFO L87 Difference]: Start difference. First operand 262 states and 327 transitions. Second operand 25 states. [2018-02-04 02:14:17,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:17,282 INFO L93 Difference]: Finished difference Result 351 states and 428 transitions. [2018-02-04 02:14:17,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 02:14:17,283 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 70 [2018-02-04 02:14:17,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:17,284 INFO L225 Difference]: With dead ends: 351 [2018-02-04 02:14:17,284 INFO L226 Difference]: Without dead ends: 351 [2018-02-04 02:14:17,284 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=410, Invalid=1752, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 02:14:17,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2018-02-04 02:14:17,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 308. [2018-02-04 02:14:17,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-02-04 02:14:17,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 404 transitions. [2018-02-04 02:14:17,287 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 404 transitions. Word has length 70 [2018-02-04 02:14:17,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:17,288 INFO L432 AbstractCegarLoop]: Abstraction has 308 states and 404 transitions. [2018-02-04 02:14:17,288 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 02:14:17,288 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 404 transitions. [2018-02-04 02:14:17,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 02:14:17,288 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:17,288 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:17,288 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:17,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1208529839, now seen corresponding path program 1 times [2018-02-04 02:14:17,289 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:17,298 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:17,765 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:17,765 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:17,766 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 02:14:17,766 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:17,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:17,766 INFO L182 omatonBuilderFactory]: Interpolants [14101#true, 14102#false, 14103#(= |main_#t~malloc5.offset| 0), 14104#(= 0 main_~lItem~0.offset), 14105#(and (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))), 14106#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 14107#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 14108#(and (= main_~data~0.offset 0) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 14109#(and (= main_~data~0.offset 0) (not (= main_~item~0.base main_~data~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 14110#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 14111#(and (= 0 main_~data~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 14112#(and (or (= main_~lItem~0.base main_~data~0.base) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset main_~lItem~0.offset)), 14113#(and (or (= main_~lItem~0.base main_~data~0.base) (= main_~data~0.base |main_#t~mem7.base|)) (= main_~data~0.offset main_~lItem~0.offset)), 14114#(and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset main_~lItem~0.offset)), 14115#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset) (or (and (= main_~lItem~0.offset main_~data~0.offset) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base))), 14116#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 14117#(and (= main_~data~0.offset |main_#t~mem11.offset|) (or (= main_~data~0.base |main_#t~mem11.base|) (and (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)))), 14118#(= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 14119#(= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)), 14120#(= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)), 14121#(= main_~data~0.base |main_#t~mem17.base|), 14122#(= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)), 14123#(and (= main_~data~0.base main_~dst~0.base) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset))), 14124#(= 1 (select |#valid| |main_#t~mem27.base|)), 14125#(= 1 (select |#valid| main_~data~0.base))] [2018-02-04 02:14:17,766 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:17,766 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 02:14:17,767 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 02:14:17,767 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2018-02-04 02:14:17,767 INFO L87 Difference]: Start difference. First operand 308 states and 404 transitions. Second operand 25 states. [2018-02-04 02:14:18,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:18,610 INFO L93 Difference]: Finished difference Result 432 states and 567 transitions. [2018-02-04 02:14:18,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 02:14:18,610 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 71 [2018-02-04 02:14:18,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:18,611 INFO L225 Difference]: With dead ends: 432 [2018-02-04 02:14:18,611 INFO L226 Difference]: Without dead ends: 432 [2018-02-04 02:14:18,612 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 478 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=354, Invalid=2096, Unknown=0, NotChecked=0, Total=2450 [2018-02-04 02:14:18,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2018-02-04 02:14:18,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 336. [2018-02-04 02:14:18,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2018-02-04 02:14:18,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 438 transitions. [2018-02-04 02:14:18,615 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 438 transitions. Word has length 71 [2018-02-04 02:14:18,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:18,615 INFO L432 AbstractCegarLoop]: Abstraction has 336 states and 438 transitions. [2018-02-04 02:14:18,615 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 02:14:18,615 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 438 transitions. [2018-02-04 02:14:18,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 02:14:18,615 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:18,615 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:18,615 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:18,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1208529838, now seen corresponding path program 1 times [2018-02-04 02:14:18,616 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:18,625 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:19,347 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:19,347 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:19,347 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 02:14:19,348 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:19,348 INFO L182 omatonBuilderFactory]: Interpolants [14948#true, 14949#false, 14950#(and (= 8 (select |#length| |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0)), 14951#(and (= 8 (select |#length| main_~lItem~0.base)) (= 0 main_~lItem~0.offset)), 14952#(and (= 8 (select |#length| main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))), 14953#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= 8 (select |#length| main_~lItem~0.base)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 14954#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 14955#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 14956#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (not (= main_~item~0.base main_~data~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 14957#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 14958#(and (or (= main_~data~0.base |main_#t~malloc5.base|) (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= 0 main_~data~0.offset) (= main_~data~0.offset |main_#t~malloc5.offset|)), 14959#(and (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 14960#(and (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 |main_#t~mem7.offset|) (= main_~data~0.base |main_#t~mem7.base|)) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 14961#(and (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 14962#(and (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= main_~lItem~0.offset main_~data~0.offset) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset)), 14963#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 14964#(and (= main_~data~0.offset |main_#t~mem11.offset|) (or (= main_~data~0.base |main_#t~mem11.base|) (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)))), 14965#(and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 14966#(and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 14967#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset))), 14968#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base |main_#t~mem17.base|) (= 0 |main_#t~mem17.offset|)), 14969#(and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 14970#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base main_~dst~0.base) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset))), 14971#(and (= 8 (select |#length| |main_#t~mem27.base|)) (= 0 |main_#t~mem27.offset|)), 14972#(and (= main_~data~0.offset 0) (= (select |#length| main_~data~0.base) 8))] [2018-02-04 02:14:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:19,349 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 02:14:19,349 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 02:14:19,349 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=518, Unknown=0, NotChecked=0, Total=600 [2018-02-04 02:14:19,349 INFO L87 Difference]: Start difference. First operand 336 states and 438 transitions. Second operand 25 states. [2018-02-04 02:14:21,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:21,036 INFO L93 Difference]: Finished difference Result 443 states and 562 transitions. [2018-02-04 02:14:21,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 02:14:21,036 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 71 [2018-02-04 02:14:21,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:21,037 INFO L225 Difference]: With dead ends: 443 [2018-02-04 02:14:21,037 INFO L226 Difference]: Without dead ends: 443 [2018-02-04 02:14:21,038 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=451, Invalid=2099, Unknown=0, NotChecked=0, Total=2550 [2018-02-04 02:14:21,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-02-04 02:14:21,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 331. [2018-02-04 02:14:21,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-02-04 02:14:21,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 432 transitions. [2018-02-04 02:14:21,041 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 432 transitions. Word has length 71 [2018-02-04 02:14:21,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:21,042 INFO L432 AbstractCegarLoop]: Abstraction has 331 states and 432 transitions. [2018-02-04 02:14:21,042 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 02:14:21,042 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 432 transitions. [2018-02-04 02:14:21,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 02:14:21,042 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:21,043 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:21,043 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:21,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1747454273, now seen corresponding path program 1 times [2018-02-04 02:14:21,043 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:21,071 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:22,649 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:22,649 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:22,650 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 02:14:22,650 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:22,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:22,650 INFO L182 omatonBuilderFactory]: Interpolants [15808#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= |main_#t~malloc5.offset| 0) (= (select |#valid| main_~item~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base |main_#t~malloc5.base|)) (= main_~item~0.offset 0)), 15809#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~lItem~0.base)) (= (select |#valid| main_~item~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~lItem~0.offset 0) (= main_~item~0.offset 0)), 15810#(and (not (= main_~item~0.base main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (= (select |#valid| main_~lItem~0.base) (select |#valid| main_~item~0.base)) (= main_~lItem~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~item~0.base) main_~item~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset 0)), 15811#(and (= 1 (select |#valid| main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) (select |#valid| main_~item~0.base)) (= main_~lItem~0.offset 0) (not (= main_~item~0.base main_~data~0.base)) (= 0 main_~data~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~item~0.base) main_~item~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset 0) (= main_~data~0.base main_~lItem~0.base)), 15812#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= (select |#valid| main_~data~0.base) 1) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 15813#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) |main_#t~malloc1.base|)) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 15814#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4)) main_~data~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))))), 15815#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 15816#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (or (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) |main_#t~malloc5.base|)) (not (= 0 |main_#t~malloc5.base|))) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= main_~data~0.offset |main_#t~malloc5.offset|) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 15817#(and (or (and (or (and (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 main_~lItem~0.base))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (not (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset)), 15818#(and (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (or (= main_~lItem~0.base main_~data~0.base) (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset |main_#t~mem7.offset|)) main_~data~0.base) (+ main_~data~0.offset 4))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem7.offset|) (or (and (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 main_~lItem~0.base))) (and (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset |main_#t~mem7.base|)) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset |main_#t~mem7.offset|)) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (not (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))))))), 15819#(and (= main_~data~0.offset 0) (or (not (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset))) (= main_~lItem~0.offset 0) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (or (and (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (or (and (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4))))) (and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset) (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4))))) (= 0 (select (store (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (+ main_~data~0.offset 4)))) (= main_~lItem~0.base main_~data~0.base))), 15820#(and (= main_~data~0.offset 0) (or (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (+ main_~data~0.offset 4))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))) (and (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))))))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 15821#(and (or (and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (+ main_~data~0.offset 4))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))) (and (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)) (= main_~data~0.base |main_#t~mem11.base|)) (= main_~data~0.offset 0) (= main_~data~0.offset |main_#t~mem11.offset|)), 15822#(and (= main_~data~0.offset 0) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (+ main_~data~0.offset 4))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))) (and (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))))), 15823#(and (or (and (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) |main_#t~mem12.base|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem12.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem12.base|) 0)) (not (= main_~data~0.base |main_#t~mem12.base|)))) (= main_~data~0.offset 0) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (+ main_~data~0.offset 4))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) |main_#t~mem12.offset|)), 15824#(and (= main_~data~0.offset 0) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (+ main_~data~0.offset 4))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~data~0.base))) (and (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~item~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.offset)), 15825#(and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (+ main_~data~0.offset 4))) (= main_~data~0.offset 0) (or (and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~item~0.base) (not (= 0 |main_#t~mem15.base|))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~data~0.base)))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.offset)), 15826#(and (= main_~data~0.offset 0) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset)) (+ main_~data~0.offset 4))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~data~0.base))) (and (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= 0 main_~lItem~0.base)) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~item~0.base))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.offset)), 15827#(and (= main_~data~0.offset 0) (= main_~item~0.offset (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (+ main_~data~0.offset 4))) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (+ main_~data~0.offset 4))) (or (and (= main_~lItem~0.base main_~item~0.base) (not (= 0 main_~lItem~0.base))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~data~0.base))))), 15828#(and (= main_~data~0.offset 0) (= main_~item~0.offset (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (+ main_~data~0.offset 4))) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (+ main_~data~0.offset 4))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~data~0.base))) (not (= 1 (select |#valid| main_~item~0.base))))), 15829#(and (or (and (= 0 (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~item~0.base) main_~item~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~item~0.base) main_~item~0.offset))) (not (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~dst~0.offset))))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~dst~0.base) main_~dst~0.offset))), 15830#(or (and (= 0 (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~item~0.base) main_~item~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~item~0.base) main_~item~0.offset))) (not (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~dst~0.offset))))), 15831#(and (= 0 (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~item~0.base) main_~item~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~item~0.base) main_~item~0.offset))), 15832#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))), 15833#(and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|)), 15834#(and (= 0 main_~item~0.base) (= main_~item~0.offset 0)), 15803#true, 15804#false, 15805#(and (= (select |#valid| |main_#t~malloc1.base|) 1) (= 0 |main_#t~malloc1.offset|)), 15806#(and (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.offset 0)), 15807#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= (select |#valid| main_~item~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset 0))] [2018-02-04 02:14:22,650 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:22,650 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 02:14:22,651 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 02:14:22,651 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2018-02-04 02:14:22,651 INFO L87 Difference]: Start difference. First operand 331 states and 432 transitions. Second operand 32 states. [2018-02-04 02:14:23,655 WARN L146 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 145 DAG size of output 86 [2018-02-04 02:14:24,047 WARN L146 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 141 DAG size of output 79 [2018-02-04 02:14:24,227 WARN L146 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 152 DAG size of output 79 [2018-02-04 02:14:25,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:25,789 INFO L93 Difference]: Finished difference Result 403 states and 511 transitions. [2018-02-04 02:14:25,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 02:14:25,789 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 74 [2018-02-04 02:14:25,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:25,790 INFO L225 Difference]: With dead ends: 403 [2018-02-04 02:14:25,790 INFO L226 Difference]: Without dead ends: 403 [2018-02-04 02:14:25,791 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 5 SyntacticMatches, 6 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1130 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=587, Invalid=4105, Unknown=0, NotChecked=0, Total=4692 [2018-02-04 02:14:25,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-02-04 02:14:25,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 332. [2018-02-04 02:14:25,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2018-02-04 02:14:25,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 432 transitions. [2018-02-04 02:14:25,793 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 432 transitions. Word has length 74 [2018-02-04 02:14:25,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:25,794 INFO L432 AbstractCegarLoop]: Abstraction has 332 states and 432 transitions. [2018-02-04 02:14:25,794 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 02:14:25,794 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 432 transitions. [2018-02-04 02:14:25,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 02:14:25,794 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:25,794 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:25,795 INFO L371 AbstractCegarLoop]: === Iteration 36 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:25,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1906669713, now seen corresponding path program 1 times [2018-02-04 02:14:25,795 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:25,808 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:26,634 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:26,635 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:26,635 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 02:14:26,635 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:26,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:26,636 INFO L182 omatonBuilderFactory]: Interpolants [16647#true, 16648#false, 16649#(= |main_#t~malloc5.offset| 0), 16650#(= 0 main_~lItem~0.offset), 16651#(and (= (select |#valid| main_~lItem~0.base) 1) (= main_~lItem~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))), 16652#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 16653#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 16654#(and (= main_~data~0.offset 0) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 16655#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (not (= main_~item~0.base main_~data~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 16656#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 16657#(and (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 16658#(and (or (and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 16659#(and (or (and (= main_~data~0.offset |main_#t~mem7.offset|) (= main_~data~0.base |main_#t~mem7.base|)) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 16660#(and (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset main_~lItem~0.offset)), 16661#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset) (or (and (= main_~lItem~0.offset main_~data~0.offset) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~data~0.offset))), 16662#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 16663#(and (= main_~data~0.offset |main_#t~mem11.offset|) (or (and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)) (= main_~data~0.base |main_#t~mem11.base|))), 16664#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 16665#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 16666#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset))), 16667#(and (= main_~data~0.offset |main_#t~mem17.offset|) (= main_~data~0.base |main_#t~mem17.base|)), 16668#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 16669#(= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)), 16670#(= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)), 16671#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 16672#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 16673#(= 1 (select |#valid| |main_#t~mem13.base|))] [2018-02-04 02:14:26,636 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:26,636 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 02:14:26,636 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 02:14:26,636 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=600, Unknown=0, NotChecked=0, Total=702 [2018-02-04 02:14:26,637 INFO L87 Difference]: Start difference. First operand 332 states and 432 transitions. Second operand 27 states. [2018-02-04 02:14:27,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:27,674 INFO L93 Difference]: Finished difference Result 367 states and 468 transitions. [2018-02-04 02:14:27,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 02:14:27,674 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 75 [2018-02-04 02:14:27,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:27,675 INFO L225 Difference]: With dead ends: 367 [2018-02-04 02:14:27,675 INFO L226 Difference]: Without dead ends: 367 [2018-02-04 02:14:27,675 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=428, Invalid=2328, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 02:14:27,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2018-02-04 02:14:27,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 342. [2018-02-04 02:14:27,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-02-04 02:14:27,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 444 transitions. [2018-02-04 02:14:27,678 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 444 transitions. Word has length 75 [2018-02-04 02:14:27,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:27,678 INFO L432 AbstractCegarLoop]: Abstraction has 342 states and 444 transitions. [2018-02-04 02:14:27,678 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 02:14:27,678 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 444 transitions. [2018-02-04 02:14:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 02:14:27,678 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:27,678 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:27,679 INFO L371 AbstractCegarLoop]: === Iteration 37 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:27,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1906669712, now seen corresponding path program 1 times [2018-02-04 02:14:27,679 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:27,688 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:28,291 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:28,291 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:28,291 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 02:14:28,291 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:28,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:28,292 INFO L182 omatonBuilderFactory]: Interpolants [17440#false, 17441#(= |main_#t~malloc5.offset| 0), 17442#(= 0 main_~lItem~0.offset), 17443#(and (= (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset) main_~lItem~0.offset) (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~lItem~0.offset) (= (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset) main_~lItem~0.base)), 17444#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 17445#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 17446#(and (= main_~data~0.offset 0) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 17447#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (not (= main_~item~0.base main_~data~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 17448#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 17449#(and (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 17450#(and (or (and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 17451#(and (or (and (= main_~data~0.offset |main_#t~mem7.offset|) (= main_~data~0.base |main_#t~mem7.base|)) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 17452#(and (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset main_~lItem~0.offset)), 17453#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset) (or (and (= main_~lItem~0.offset main_~data~0.offset) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~data~0.offset))), 17454#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 17455#(and (= main_~data~0.offset |main_#t~mem11.offset|) (or (and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)) (= main_~data~0.base |main_#t~mem11.base|))), 17456#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 17457#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 17458#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset))), 17459#(and (= main_~data~0.offset |main_#t~mem17.offset|) (= main_~data~0.base |main_#t~mem17.base|)), 17460#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 17461#(and (= (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|) |main_#t~mem27.offset|) (= (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|) |main_#t~mem27.base|)), 17462#(and (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 17439#true] [2018-02-04 02:14:28,292 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:28,292 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 02:14:28,292 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 02:14:28,292 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2018-02-04 02:14:28,292 INFO L87 Difference]: Start difference. First operand 342 states and 444 transitions. Second operand 24 states. [2018-02-04 02:14:29,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:29,114 INFO L93 Difference]: Finished difference Result 356 states and 456 transitions. [2018-02-04 02:14:29,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 02:14:29,114 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 75 [2018-02-04 02:14:29,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:29,115 INFO L225 Difference]: With dead ends: 356 [2018-02-04 02:14:29,115 INFO L226 Difference]: Without dead ends: 356 [2018-02-04 02:14:29,115 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=347, Invalid=1723, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 02:14:29,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-02-04 02:14:29,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 338. [2018-02-04 02:14:29,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-02-04 02:14:29,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 438 transitions. [2018-02-04 02:14:29,118 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 438 transitions. Word has length 75 [2018-02-04 02:14:29,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:29,118 INFO L432 AbstractCegarLoop]: Abstraction has 338 states and 438 transitions. [2018-02-04 02:14:29,118 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 02:14:29,118 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 438 transitions. [2018-02-04 02:14:29,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 02:14:29,118 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:29,118 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:29,118 INFO L371 AbstractCegarLoop]: === Iteration 38 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:29,119 INFO L82 PathProgramCache]: Analyzing trace with hash -321346001, now seen corresponding path program 1 times [2018-02-04 02:14:29,119 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:29,124 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 02:14:29,149 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:14:29,149 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 02:14:29,149 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:29,149 INFO L182 omatonBuilderFactory]: Interpolants [18208#(and (= main_~item2~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)) (= 1 (select |#valid| main_~item2~0.base))), 18209#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))), 18210#(= 1 (select |#valid| |main_#t~mem24.base|)), 18211#(= 1 (select |#valid| main_~dst~0.base)), 18205#true, 18206#false, 18207#(= 1 (select |#valid| main_~item2~0.base))] [2018-02-04 02:14:29,150 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 02:14:29,150 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 02:14:29,150 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 02:14:29,150 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 02:14:29,150 INFO L87 Difference]: Start difference. First operand 338 states and 438 transitions. Second operand 7 states. [2018-02-04 02:14:29,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:29,318 INFO L93 Difference]: Finished difference Result 442 states and 568 transitions. [2018-02-04 02:14:29,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 02:14:29,318 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2018-02-04 02:14:29,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:29,319 INFO L225 Difference]: With dead ends: 442 [2018-02-04 02:14:29,319 INFO L226 Difference]: Without dead ends: 442 [2018-02-04 02:14:29,319 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-02-04 02:14:29,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2018-02-04 02:14:29,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 362. [2018-02-04 02:14:29,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2018-02-04 02:14:29,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 486 transitions. [2018-02-04 02:14:29,322 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 486 transitions. Word has length 75 [2018-02-04 02:14:29,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:29,323 INFO L432 AbstractCegarLoop]: Abstraction has 362 states and 486 transitions. [2018-02-04 02:14:29,323 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 02:14:29,323 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 486 transitions. [2018-02-04 02:14:29,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 02:14:29,323 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:29,323 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:29,324 INFO L371 AbstractCegarLoop]: === Iteration 39 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:29,324 INFO L82 PathProgramCache]: Analyzing trace with hash -321346000, now seen corresponding path program 1 times [2018-02-04 02:14:29,324 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:29,335 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 02:14:29,391 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:14:29,391 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 02:14:29,391 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:29,391 INFO L182 omatonBuilderFactory]: Interpolants [19024#true, 19025#false, 19026#(<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)), 19027#(and (= main_~item2~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)) (= main_~item2~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base))), 19028#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset))), 19029#(and (<= 0 |main_#t~mem24.offset|) (<= (+ |main_#t~mem24.offset| 8) (select |#length| |main_#t~mem24.base|))), 19030#(and (<= (+ main_~dst~0.offset 8) (select |#length| main_~dst~0.base)) (<= 0 main_~dst~0.offset))] [2018-02-04 02:14:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 02:14:29,392 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 02:14:29,392 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 02:14:29,392 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-02-04 02:14:29,392 INFO L87 Difference]: Start difference. First operand 362 states and 486 transitions. Second operand 7 states. [2018-02-04 02:14:29,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:29,625 INFO L93 Difference]: Finished difference Result 471 states and 590 transitions. [2018-02-04 02:14:29,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 02:14:29,625 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2018-02-04 02:14:29,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:29,626 INFO L225 Difference]: With dead ends: 471 [2018-02-04 02:14:29,626 INFO L226 Difference]: Without dead ends: 471 [2018-02-04 02:14:29,627 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-02-04 02:14:29,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2018-02-04 02:14:29,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 374. [2018-02-04 02:14:29,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2018-02-04 02:14:29,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 487 transitions. [2018-02-04 02:14:29,629 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 487 transitions. Word has length 75 [2018-02-04 02:14:29,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:29,630 INFO L432 AbstractCegarLoop]: Abstraction has 374 states and 487 transitions. [2018-02-04 02:14:29,630 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 02:14:29,630 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 487 transitions. [2018-02-04 02:14:29,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 02:14:29,630 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:29,630 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:29,630 INFO L371 AbstractCegarLoop]: === Iteration 40 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:29,630 INFO L82 PathProgramCache]: Analyzing trace with hash -321345197, now seen corresponding path program 1 times [2018-02-04 02:14:29,631 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:29,645 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:30,650 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:30,651 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:30,651 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 02:14:30,651 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:30,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:30,651 INFO L182 omatonBuilderFactory]: Interpolants [19904#(and (or (= main_~lItem~0.base main_~data~0.base) (and (= 0 main_~item~0.offset) (or (and (not (= main_~item~0.base main_~lItem~0.base)) (not (= main_~item~0.base main_~data~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~item~0.base) main_~item~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~item~0.base) main_~item~0.offset))) (and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset) main_~item~0.base))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)))) (= main_~lItem~0.offset 0) (or (not (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset))) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset))), 19905#(and (= 0 main_~data~0.offset) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (or (and (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) 0)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))))))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 19906#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (or (and (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) 0)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))))))) (= main_~data~0.base |main_#t~mem11.base|)) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 19907#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (or (and (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) 0)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 19908#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4))) 0)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4)) main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4))) 0))) (and (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ |main_#t~mem13.offset| 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))))) (= |main_#t~mem13.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4)))), 19909#(and (= 0 |main_#t~mem14.offset|) (or (and (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) |main_#t~mem14.base|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) 0)) (not (= main_~data~0.base |main_#t~mem14.base|))))), 19910#(and (= main_~item2~0.offset 0) (or (and (= main_~item2~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item2~0.base) main_~item2~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item2~0.base) main_~item2~0.offset)) (not (= main_~data~0.base main_~item2~0.base))))), 19911#(and (= main_~item2~0.offset 0) (or (and (= main_~item2~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= 0 |main_#t~mem15.base|))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item2~0.base) main_~item2~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item2~0.base) main_~item2~0.offset)) (not (= main_~data~0.base main_~item2~0.base))))), 19912#(and (= main_~item2~0.offset 0) (or (and (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~item2~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= 0 main_~lItem~0.base))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item2~0.base) main_~item2~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item2~0.base) main_~item2~0.offset)) (not (= main_~data~0.base main_~item2~0.base))))), 19913#(and (= main_~item2~0.offset 0) (or (and (= main_~lItem~0.base main_~item2~0.base) (not (= 0 main_~lItem~0.base))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item2~0.base) main_~item2~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item2~0.base) main_~item2~0.offset)) (not (= main_~item2~0.base main_~data~0.base))))), 19914#(and (or (not (= 1 (select |#valid| main_~item2~0.base))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item2~0.base) main_~item2~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item2~0.base) main_~item2~0.offset)) (not (= main_~item2~0.base main_~data~0.base)))) (= main_~item2~0.offset 0)), 19915#(and (= main_~item2~0.offset 0) (or (not (= 1 (select |#valid| main_~item2~0.base))) (and (= 0 (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~item2~0.base) main_~item2~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~item2~0.base) main_~item2~0.offset))))), 19916#(or (not (= 1 (select |#valid| main_~item2~0.base))) (and (= 0 (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~item2~0.base) main_~item2~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~item2~0.base) main_~item2~0.offset)))), 19917#(and (= 0 (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~item2~0.base) main_~item2~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~item2~0.base) main_~item2~0.offset))), 19918#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item2~0.base) main_~item2~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item2~0.base) main_~item2~0.offset))), 19919#(and (= 0 |main_#t~mem23.offset|) (= 0 |main_#t~mem23.base|)), 19920#(and (= main_~item2~0.offset 0) (= main_~item2~0.base 0)), 19890#true, 19891#false, 19892#(= 0 |main_#t~malloc1.offset|), 19893#(= main_~item~0.offset 0), 19894#(and (= 0 |main_#t~malloc5.offset|) (= main_~item~0.offset 0)), 19895#(and (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 19896#(and (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 19897#(and (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~data~0.offset) (= main_~lItem~0.base main_~data~0.base) (= main_~item~0.offset 0)), 19898#(and (= 0 main_~data~0.offset) (= (select |#valid| main_~data~0.base) 1)), 19899#(and (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (= 0 |main_#t~malloc1.offset|)), 19900#(and (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (= main_~item~0.offset 0)), 19901#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (= main_~item~0.offset 0)), 19902#(and (= 0 main_~item~0.offset) (= 0 main_~data~0.offset) (or (and (not (= 0 |main_#t~malloc5.base|)) (= |main_#t~malloc5.base| main_~item~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~data~0.base)) (not (= main_~item~0.base |main_#t~malloc5.base|)))) (= main_~data~0.offset |main_#t~malloc5.offset|)), 19903#(and (= 0 main_~item~0.offset) (or (and (= main_~lItem~0.base main_~item~0.base) (not (= 0 main_~lItem~0.base))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~lItem~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~data~0.base)))) (= main_~lItem~0.offset 0) (= main_~data~0.offset main_~lItem~0.offset))] [2018-02-04 02:14:30,651 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:30,651 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 02:14:30,651 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 02:14:30,652 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=852, Unknown=0, NotChecked=0, Total=930 [2018-02-04 02:14:30,652 INFO L87 Difference]: Start difference. First operand 374 states and 487 transitions. Second operand 31 states. [2018-02-04 02:14:33,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:33,262 INFO L93 Difference]: Finished difference Result 499 states and 600 transitions. [2018-02-04 02:14:33,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-02-04 02:14:33,263 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 75 [2018-02-04 02:14:33,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:33,264 INFO L225 Difference]: With dead ends: 499 [2018-02-04 02:14:33,264 INFO L226 Difference]: Without dead ends: 499 [2018-02-04 02:14:33,265 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1852 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=830, Invalid=5976, Unknown=0, NotChecked=0, Total=6806 [2018-02-04 02:14:33,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2018-02-04 02:14:33,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 369. [2018-02-04 02:14:33,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-02-04 02:14:33,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 476 transitions. [2018-02-04 02:14:33,267 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 476 transitions. Word has length 75 [2018-02-04 02:14:33,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:33,267 INFO L432 AbstractCegarLoop]: Abstraction has 369 states and 476 transitions. [2018-02-04 02:14:33,267 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 02:14:33,267 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 476 transitions. [2018-02-04 02:14:33,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 02:14:33,268 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:33,268 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:33,268 INFO L371 AbstractCegarLoop]: === Iteration 41 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:33,268 INFO L82 PathProgramCache]: Analyzing trace with hash -412915776, now seen corresponding path program 1 times [2018-02-04 02:14:33,268 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:33,279 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:33,963 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:33,963 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:33,963 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 02:14:33,963 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:33,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:33,963 INFO L182 omatonBuilderFactory]: Interpolants [20895#true, 20896#false, 20897#(= |main_#t~malloc5.offset| 0), 20898#(= 0 main_~lItem~0.offset), 20899#(and (= (select |#valid| main_~lItem~0.base) 1) (= main_~lItem~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))), 20900#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 20901#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 20902#(and (= main_~data~0.offset 0) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 20903#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (not (= main_~item~0.base main_~data~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 20904#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 20905#(and (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 20906#(and (or (and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 20907#(and (or (and (= main_~data~0.offset |main_#t~mem7.offset|) (= main_~data~0.base |main_#t~mem7.base|)) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 20908#(and (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset main_~lItem~0.offset)), 20909#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset) (or (and (= main_~lItem~0.offset main_~data~0.offset) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~data~0.offset))), 20910#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 20911#(and (= main_~data~0.offset |main_#t~mem11.offset|) (or (and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)) (= main_~data~0.base |main_#t~mem11.base|))), 20912#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 20913#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 20914#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset))), 20915#(and (= main_~data~0.offset |main_#t~mem17.offset|) (= main_~data~0.base |main_#t~mem17.base|)), 20916#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 20917#(and (= main_~data~0.base main_~dst~0.base) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset) main_~data~0.offset))), 20918#(= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)), 20919#(= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)), 20920#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 20921#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 20922#(= 1 (select |#valid| |main_#t~mem13.base|))] [2018-02-04 02:14:33,963 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:33,963 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 02:14:33,964 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 02:14:33,964 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=648, Unknown=0, NotChecked=0, Total=756 [2018-02-04 02:14:33,964 INFO L87 Difference]: Start difference. First operand 369 states and 476 transitions. Second operand 28 states. [2018-02-04 02:14:35,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:35,106 INFO L93 Difference]: Finished difference Result 391 states and 495 transitions. [2018-02-04 02:14:35,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 02:14:35,106 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 76 [2018-02-04 02:14:35,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:35,107 INFO L225 Difference]: With dead ends: 391 [2018-02-04 02:14:35,107 INFO L226 Difference]: Without dead ends: 391 [2018-02-04 02:14:35,108 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 679 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=503, Invalid=2803, Unknown=0, NotChecked=0, Total=3306 [2018-02-04 02:14:35,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-02-04 02:14:35,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 369. [2018-02-04 02:14:35,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-02-04 02:14:35,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 475 transitions. [2018-02-04 02:14:35,110 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 475 transitions. Word has length 76 [2018-02-04 02:14:35,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:35,110 INFO L432 AbstractCegarLoop]: Abstraction has 369 states and 475 transitions. [2018-02-04 02:14:35,110 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 02:14:35,110 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 475 transitions. [2018-02-04 02:14:35,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 02:14:35,111 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:35,111 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:35,111 INFO L371 AbstractCegarLoop]: === Iteration 42 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:35,111 INFO L82 PathProgramCache]: Analyzing trace with hash -412915775, now seen corresponding path program 1 times [2018-02-04 02:14:35,111 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:35,122 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:35,785 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:35,785 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:35,785 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 02:14:35,785 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:35,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:35,785 INFO L182 omatonBuilderFactory]: Interpolants [21760#(and (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset main_~lItem~0.offset)), 21761#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset) (or (and (= main_~lItem~0.offset main_~data~0.offset) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~data~0.offset))), 21762#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 21763#(and (= main_~data~0.offset |main_#t~mem11.offset|) (or (and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)) (= main_~data~0.base |main_#t~mem11.base|))), 21764#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 21765#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 21766#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset))), 21767#(and (= main_~data~0.offset |main_#t~mem17.offset|) (= main_~data~0.base |main_#t~mem17.base|)), 21768#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 21769#(and (= main_~data~0.base main_~dst~0.base) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset) main_~data~0.offset))), 21770#(and (= (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|) |main_#t~mem27.offset|) (= (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|) |main_#t~mem27.base|)), 21771#(and (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 21747#true, 21748#false, 21749#(= |main_#t~malloc5.offset| 0), 21750#(= 0 main_~lItem~0.offset), 21751#(and (= (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset) main_~lItem~0.offset) (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~lItem~0.offset) (= (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset) main_~lItem~0.base)), 21752#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 21753#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 21754#(and (= main_~data~0.offset 0) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 21755#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (not (= main_~item~0.base main_~data~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 21756#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 21757#(and (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 21758#(and (or (and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 21759#(and (or (and (= main_~data~0.offset |main_#t~mem7.offset|) (= main_~data~0.base |main_#t~mem7.base|)) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset))] [2018-02-04 02:14:35,786 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:35,786 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 02:14:35,786 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 02:14:35,786 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2018-02-04 02:14:35,786 INFO L87 Difference]: Start difference. First operand 369 states and 475 transitions. Second operand 25 states. [2018-02-04 02:14:36,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:36,606 INFO L93 Difference]: Finished difference Result 333 states and 401 transitions. [2018-02-04 02:14:36,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 02:14:36,606 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 76 [2018-02-04 02:14:36,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:36,607 INFO L225 Difference]: With dead ends: 333 [2018-02-04 02:14:36,607 INFO L226 Difference]: Without dead ends: 333 [2018-02-04 02:14:36,607 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=391, Invalid=2059, Unknown=0, NotChecked=0, Total=2450 [2018-02-04 02:14:36,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2018-02-04 02:14:36,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 307. [2018-02-04 02:14:36,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-02-04 02:14:36,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 375 transitions. [2018-02-04 02:14:36,610 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 375 transitions. Word has length 76 [2018-02-04 02:14:36,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:36,610 INFO L432 AbstractCegarLoop]: Abstraction has 307 states and 375 transitions. [2018-02-04 02:14:36,610 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 02:14:36,610 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 375 transitions. [2018-02-04 02:14:36,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 02:14:36,610 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:36,610 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:36,610 INFO L371 AbstractCegarLoop]: === Iteration 43 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:36,610 INFO L82 PathProgramCache]: Analyzing trace with hash -28673556, now seen corresponding path program 1 times [2018-02-04 02:14:36,611 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:36,616 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:36,644 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 02:14:36,644 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:14:36,644 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 02:14:36,644 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:36,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:36,644 INFO L182 omatonBuilderFactory]: Interpolants [22466#true, 22467#false, 22468#(= (select |#valid| main_~item~0.base) 1), 22469#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)) (= (select |#valid| main_~item~0.base) 1)), 22470#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))), 22471#(= 1 (select |#valid| |main_#t~mem24.base|)), 22472#(= 1 (select |#valid| main_~dst~0.base))] [2018-02-04 02:14:36,644 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 02:14:36,645 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 02:14:36,645 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 02:14:36,645 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 02:14:36,645 INFO L87 Difference]: Start difference. First operand 307 states and 375 transitions. Second operand 7 states. [2018-02-04 02:14:36,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:36,774 INFO L93 Difference]: Finished difference Result 364 states and 427 transitions. [2018-02-04 02:14:36,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 02:14:36,774 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2018-02-04 02:14:36,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:36,775 INFO L225 Difference]: With dead ends: 364 [2018-02-04 02:14:36,775 INFO L226 Difference]: Without dead ends: 364 [2018-02-04 02:14:36,775 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-02-04 02:14:36,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-02-04 02:14:36,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 314. [2018-02-04 02:14:36,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2018-02-04 02:14:36,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 383 transitions. [2018-02-04 02:14:36,778 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 383 transitions. Word has length 76 [2018-02-04 02:14:36,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:36,778 INFO L432 AbstractCegarLoop]: Abstraction has 314 states and 383 transitions. [2018-02-04 02:14:36,778 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 02:14:36,778 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 383 transitions. [2018-02-04 02:14:36,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 02:14:36,779 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:36,779 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:36,779 INFO L371 AbstractCegarLoop]: === Iteration 44 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:36,779 INFO L82 PathProgramCache]: Analyzing trace with hash -28673555, now seen corresponding path program 1 times [2018-02-04 02:14:36,779 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:36,788 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:36,868 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 02:14:36,869 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 02:14:36,869 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 02:14:36,869 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:36,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:36,869 INFO L182 omatonBuilderFactory]: Interpolants [23159#true, 23160#false, 23161#(<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)), 23162#(and (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base))), 23163#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset))), 23164#(and (<= 0 |main_#t~mem24.offset|) (<= (+ |main_#t~mem24.offset| 8) (select |#length| |main_#t~mem24.base|))), 23165#(and (<= (+ main_~dst~0.offset 8) (select |#length| main_~dst~0.base)) (<= 0 main_~dst~0.offset))] [2018-02-04 02:14:36,869 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-04 02:14:36,869 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 02:14:36,869 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 02:14:36,869 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-02-04 02:14:36,870 INFO L87 Difference]: Start difference. First operand 314 states and 383 transitions. Second operand 7 states. [2018-02-04 02:14:37,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:37,146 INFO L93 Difference]: Finished difference Result 373 states and 427 transitions. [2018-02-04 02:14:37,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 02:14:37,146 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2018-02-04 02:14:37,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:37,147 INFO L225 Difference]: With dead ends: 373 [2018-02-04 02:14:37,147 INFO L226 Difference]: Without dead ends: 373 [2018-02-04 02:14:37,147 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-02-04 02:14:37,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2018-02-04 02:14:37,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 292. [2018-02-04 02:14:37,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-02-04 02:14:37,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 340 transitions. [2018-02-04 02:14:37,149 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 340 transitions. Word has length 76 [2018-02-04 02:14:37,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:37,149 INFO L432 AbstractCegarLoop]: Abstraction has 292 states and 340 transitions. [2018-02-04 02:14:37,149 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 02:14:37,149 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 340 transitions. [2018-02-04 02:14:37,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 02:14:37,150 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:37,150 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:37,150 INFO L371 AbstractCegarLoop]: === Iteration 45 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:37,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1588516879, now seen corresponding path program 1 times [2018-02-04 02:14:37,150 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:37,159 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:37,444 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:37,462 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:37,462 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 02:14:37,462 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:37,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:37,463 INFO L182 omatonBuilderFactory]: Interpolants [23845#true, 23846#false, 23847#(= 0 |main_#t~malloc1.offset|), 23848#(= main_~item~0.offset 0), 23849#(and (= 0 |main_#t~malloc5.offset|) (= main_~item~0.offset 0)), 23850#(and (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 23851#(and (= 0 main_~data~0.offset) (= main_~item~0.offset 0)), 23852#(= 0 main_~data~0.offset), 23853#(and (= 0 main_~data~0.offset) (not (= 0 |main_#t~malloc1.base|))), 23854#(and (= 0 main_~data~0.offset) (not (= 0 main_~item~0.base))), 23855#(and (= 0 main_~data~0.offset) (= main_~data~0.offset |main_#t~malloc5.offset|) (not (= 0 main_~item~0.base))), 23856#(and (= main_~lItem~0.offset 0) (= main_~data~0.offset main_~lItem~0.offset) (not (= 0 main_~item~0.base))), 23857#(and (= main_~lItem~0.offset 0) (or (not (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset))) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (or (= main_~lItem~0.base main_~data~0.base) (and (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= 0 main_~item~0.base))))), 23858#(and (or (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))))) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 23859#(and (or (= main_~data~0.base |main_#t~mem11.base|) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))))) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 23860#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))))), 23861#(and (= |main_#t~mem13.offset| 0) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ |main_#t~mem13.offset| 4))))), 23862#(not (= 0 |main_#t~mem14.base|)), 23863#(not (= 0 main_~item2~0.base))] [2018-02-04 02:14:37,463 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:37,463 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 02:14:37,463 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 02:14:37,463 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-02-04 02:14:37,463 INFO L87 Difference]: Start difference. First operand 292 states and 340 transitions. Second operand 19 states. [2018-02-04 02:14:38,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:38,066 INFO L93 Difference]: Finished difference Result 345 states and 384 transitions. [2018-02-04 02:14:38,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 02:14:38,066 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 77 [2018-02-04 02:14:38,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:38,067 INFO L225 Difference]: With dead ends: 345 [2018-02-04 02:14:38,067 INFO L226 Difference]: Without dead ends: 345 [2018-02-04 02:14:38,068 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=384, Invalid=1508, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 02:14:38,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-02-04 02:14:38,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 293. [2018-02-04 02:14:38,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-02-04 02:14:38,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 340 transitions. [2018-02-04 02:14:38,070 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 340 transitions. Word has length 77 [2018-02-04 02:14:38,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:38,070 INFO L432 AbstractCegarLoop]: Abstraction has 293 states and 340 transitions. [2018-02-04 02:14:38,070 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 02:14:38,070 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 340 transitions. [2018-02-04 02:14:38,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-02-04 02:14:38,070 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:38,070 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:38,070 INFO L371 AbstractCegarLoop]: === Iteration 46 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:38,071 INFO L82 PathProgramCache]: Analyzing trace with hash -610060286, now seen corresponding path program 1 times [2018-02-04 02:14:38,071 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:38,080 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:38,531 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:38,531 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:38,531 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 02:14:38,531 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:38,532 INFO L182 omatonBuilderFactory]: Interpolants [24554#true, 24555#false, 24556#(= 0 |main_#t~malloc1.offset|), 24557#(= main_~item~0.offset 0), 24558#(and (= 0 |main_#t~malloc5.offset|) (= main_~item~0.offset 0)), 24559#(and (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 24560#(and (= 0 main_~data~0.offset) (= main_~item~0.offset 0)), 24561#(= 0 main_~data~0.offset), 24562#(and (= 0 main_~data~0.offset) (not (= 0 |main_#t~malloc1.base|))), 24563#(and (= 0 main_~data~0.offset) (not (= 0 main_~item~0.base))), 24564#(and (= 0 main_~data~0.offset) (= main_~data~0.offset |main_#t~malloc5.offset|) (not (= 0 main_~item~0.base))), 24565#(and (= main_~lItem~0.offset 0) (= main_~data~0.offset main_~lItem~0.offset) (not (= 0 main_~item~0.base))), 24566#(and (= main_~lItem~0.offset 0) (or (not (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset))) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (or (= main_~lItem~0.base main_~data~0.base) (and (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= 0 main_~item~0.base))))), 24567#(and (or (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))))) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 24568#(and (or (= main_~data~0.base |main_#t~mem11.base|) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))))) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 24569#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))))), 24570#(and (= |main_#t~mem13.offset| 0) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ |main_#t~mem13.offset| 4))))), 24571#(not (= 0 |main_#t~mem14.base|)), 24572#(not (= 0 main_~item2~0.base)), 24573#(and (= 0 main_~item~0.base) (= main_~item~0.offset 0))] [2018-02-04 02:14:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:38,532 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 02:14:38,532 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 02:14:38,532 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2018-02-04 02:14:38,533 INFO L87 Difference]: Start difference. First operand 293 states and 340 transitions. Second operand 20 states. [2018-02-04 02:14:39,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:39,246 INFO L93 Difference]: Finished difference Result 304 states and 340 transitions. [2018-02-04 02:14:39,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 02:14:39,247 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 78 [2018-02-04 02:14:39,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:39,248 INFO L225 Difference]: With dead ends: 304 [2018-02-04 02:14:39,248 INFO L226 Difference]: Without dead ends: 304 [2018-02-04 02:14:39,248 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=310, Invalid=1250, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 02:14:39,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2018-02-04 02:14:39,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 290. [2018-02-04 02:14:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-02-04 02:14:39,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 335 transitions. [2018-02-04 02:14:39,250 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 335 transitions. Word has length 78 [2018-02-04 02:14:39,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:39,251 INFO L432 AbstractCegarLoop]: Abstraction has 290 states and 335 transitions. [2018-02-04 02:14:39,251 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 02:14:39,251 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 335 transitions. [2018-02-04 02:14:39,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 02:14:39,251 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:39,251 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:39,251 INFO L371 AbstractCegarLoop]: === Iteration 47 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:39,251 INFO L82 PathProgramCache]: Analyzing trace with hash 653076430, now seen corresponding path program 1 times [2018-02-04 02:14:39,252 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:39,262 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:40,391 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:40,392 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:40,392 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 02:14:40,392 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:40,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:40,392 INFO L182 omatonBuilderFactory]: Interpolants [25216#(and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= main_~item~0.offset 0)), 25217#(and (= (select |#valid| main_~lItem~0.base) 1) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= 0 main_~data~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= main_~data~0.offset main_~lItem~0.offset) (= main_~item~0.offset 0) (= main_~data~0.base main_~lItem~0.base)), 25218#(and (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 25219#(and (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= 1 (select |#valid| |main_#t~malloc1.base|))), 25220#(and (= 0 main_~data~0.offset) (= 1 (select |#valid| main_~item~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset) main_~item~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 25221#(and (= 0 main_~data~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~item~0.base)) (not (= 0 |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~item~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|) (not (= main_~item~0.base |main_#t~malloc5.base|))), 25222#(and (or (and (not (= main_~item~0.base main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~item~0.base)) (= 1 (select |#valid| main_~item~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset)), 25223#(and (= main_~data~0.offset 0) (or (and (not (= main_~item~0.base main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (not (= 0 |main_#t~mem7.base|)) (= 1 (select |#valid| main_~item~0.base)) (= main_~data~0.base |main_#t~mem7.base|) (not (= |main_#t~mem7.base| main_~item~0.base))) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0)), 25224#(and (= main_~data~0.offset 0) (or (and (not (= main_~item~0.base main_~lItem~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset) main_~item~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (not (= 0 main_~lItem~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (= 1 (select |#valid| main_~item~0.base))) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0)), 25225#(and (or (and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= 1 (select |#valid| main_~item~0.base)) (not (= (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset) main_~item~0.base))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset))), 25226#(and (= main_~data~0.offset 0) (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 25227#(and (= main_~data~0.offset 0) (or (= main_~data~0.base |main_#t~mem11.base|) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|))) (= main_~data~0.offset |main_#t~mem11.offset|)), 25228#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)) (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 25229#(and (= main_~data~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4)) (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= |main_#t~mem13.offset| 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 25230#(and (= main_~data~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) |main_#t~mem14.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 1 (select |#valid| |main_#t~mem14.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 25231#(and (not (= main_~item2~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset 0) (= 1 (select |#valid| main_~item2~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) main_~item2~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 25232#(and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|) main_~item2~0.base)) (not (= main_~item2~0.base |main_#t~mem15.base|)) (= main_~data~0.offset 0) (= 1 (select |#valid| main_~item2~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (not (= 0 |main_#t~mem15.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 25233#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset) main_~item2~0.base)) (= main_~data~0.offset 0) (not (= 0 main_~lItem~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset))) (= 1 (select (store |#valid| main_~lItem~0.base 0) main_~item2~0.base))), 25234#(and (not (= 0 |main_#t~mem17.base|)) (= main_~data~0.base |main_#t~mem17.base|) (= main_~data~0.offset 0) (not (= |main_#t~mem17.base| main_~item2~0.base)) (not (= 0 main_~lItem~0.base)) (= 1 (select (store |#valid| main_~lItem~0.base 0) main_~item2~0.base))), 25235#(and (= main_~data~0.offset 0) (not (= 0 main_~lItem~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~item2~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 1 (select (store |#valid| main_~lItem~0.base 0) main_~item2~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 25236#(and (= main_~data~0.offset 0) (= 1 (select |#valid| main_~item2~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~item2~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 25237#(and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (= main_~data~0.base main_~dst~0.base) (= main_~data~0.offset 0) (= main_~dst~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (= 1 (select |#valid| main_~item2~0.base)) (not (= (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset) main_~item2~0.base)) (= main_~dst~0.offset 4)), 25238#(and (= main_~data~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))))), 25239#(and (not (= 0 |main_#t~mem27.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4)))) (not (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))))), 25240#(or (<= (+ main_~data~0.offset 1) 0) (<= 1 main_~data~0.offset) (and (not (= 0 main_~data~0.base)) (= 1 (select (store |#valid| main_~data~0.base 0) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))))), 25241#(or (and (not (= 0 main_~data~0.base)) (= 1 (select (store |#valid| main_~data~0.base 0) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= (select |#valid| main_~data~0.base) 1)) (<= 1 main_~data~0.offset)), 25242#(or (and (not (= 0 main_~data~0.base)) (= (select |#valid| main_~data~0.base) 1) (= 1 (select (store |#valid| main_~data~0.base 0) |main_#t~mem28.base|))) (<= 1 main_~data~0.offset)), 25243#(or (and (= 1 (select (store |#valid| main_~data~0.base 0) main_~item~0.base)) (not (= 0 main_~data~0.base)) (= (select |#valid| main_~data~0.base) 1)) (<= 1 main_~data~0.offset)), 25244#(= 1 (select |#valid| main_~item~0.base)), 25210#true, 25211#false, 25212#(= 0 |main_#t~malloc1.offset|), 25213#(= main_~item~0.offset 0), 25214#(and (= |main_#t~malloc5.offset| 0) (not (= 0 |main_#t~malloc5.base|)) (= main_~item~0.offset 0)), 25215#(and (not (= 0 main_~lItem~0.base)) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0))] [2018-02-04 02:14:40,392 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:40,392 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 02:14:40,392 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 02:14:40,393 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1103, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 02:14:40,393 INFO L87 Difference]: Start difference. First operand 290 states and 335 transitions. Second operand 35 states. [2018-02-04 02:14:43,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:43,230 INFO L93 Difference]: Finished difference Result 348 states and 396 transitions. [2018-02-04 02:14:43,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-02-04 02:14:43,230 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 79 [2018-02-04 02:14:43,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:43,231 INFO L225 Difference]: With dead ends: 348 [2018-02-04 02:14:43,231 INFO L226 Difference]: Without dead ends: 348 [2018-02-04 02:14:43,232 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1935 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=730, Invalid=6926, Unknown=0, NotChecked=0, Total=7656 [2018-02-04 02:14:43,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2018-02-04 02:14:43,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 293. [2018-02-04 02:14:43,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-02-04 02:14:43,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 340 transitions. [2018-02-04 02:14:43,234 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 340 transitions. Word has length 79 [2018-02-04 02:14:43,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:43,234 INFO L432 AbstractCegarLoop]: Abstraction has 293 states and 340 transitions. [2018-02-04 02:14:43,234 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 02:14:43,234 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 340 transitions. [2018-02-04 02:14:43,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 02:14:43,234 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:43,234 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:43,234 INFO L371 AbstractCegarLoop]: === Iteration 48 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:43,234 INFO L82 PathProgramCache]: Analyzing trace with hash 653076431, now seen corresponding path program 1 times [2018-02-04 02:14:43,235 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:43,247 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:44,218 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:44,218 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:44,218 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 02:14:44,218 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:44,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:44,219 INFO L182 omatonBuilderFactory]: Interpolants [25995#true, 25996#false, 25997#(= 0 |main_#t~malloc1.offset|), 25998#(= main_~item~0.offset 0), 25999#(and (= |main_#t~malloc5.offset| 0) (= main_~item~0.offset 0)), 26000#(and (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 26001#(and (= 1 (select |#valid| main_~lItem~0.base)) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= main_~item~0.offset 0)), 26002#(and (= 1 (select |#valid| main_~lItem~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base) (= main_~item~0.offset 0)), 26003#(and (= 1 (select |#valid| main_~data~0.base)) (= 0 main_~data~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 26004#(and (not (= |main_#t~malloc1.base| main_~data~0.base)) (= 0 main_~data~0.offset) (= 0 |main_#t~malloc1.offset|) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= 8 (select |#length| |main_#t~malloc1.base|))), 26005#(and (= 8 (select |#length| main_~item~0.base)) (= 0 main_~item~0.offset) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 26006#(and (= 8 (select |#length| main_~item~0.base)) (= 0 main_~item~0.offset) (= (select |#valid| main_~item~0.base) 1) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 26007#(and (= 8 (select |#length| main_~item~0.base)) (= 0 main_~item~0.offset) (= 0 main_~data~0.offset) (= 1 (select |#valid| main_~item~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 26008#(and (= 8 (select |#length| main_~item~0.base)) (= 0 main_~item~0.offset) (= 0 main_~data~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 26009#(and (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset) (or (and (= 8 (select |#length| main_~item~0.base)) (= 0 main_~item~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base))), 26010#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~item~0.base)) (= 0 main_~item~0.offset) (= main_~data~0.base |main_#t~mem7.base|)) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0)), 26011#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~item~0.base)) (= 0 main_~item~0.offset) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0)), 26012#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~item~0.base)) (= 0 main_~item~0.offset) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset))), 26013#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (or (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))))))), 26014#(and (= main_~data~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)) (= main_~data~0.base |main_#t~mem11.base|)) (= main_~data~0.offset |main_#t~mem11.offset|)), 26015#(and (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 26016#(and (= main_~data~0.offset 0) (= |main_#t~mem13.offset| 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 26017#(and (= 8 (select |#length| |main_#t~mem14.base|)) (= main_~data~0.offset 0) (= 0 |main_#t~mem14.offset|) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 26018#(and (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= 8 (select |#length| main_~item2~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 26019#(and (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= 8 (select |#length| main_~item2~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 26020#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= 8 (select |#length| main_~item2~0.base))), 26021#(and (= main_~data~0.base |main_#t~mem17.base|) (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= 8 (select |#length| main_~item2~0.base))), 26022#(and (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= 8 (select |#length| main_~item2~0.base))), 26023#(and (= main_~data~0.base main_~dst~0.base) (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= main_~dst~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (= main_~dst~0.offset 4) (= 8 (select |#length| main_~item2~0.base))), 26024#(and (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))))), 26025#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) (+ 0 4)))), 26026#(or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))) (not (= 1 (select |#valid| main_~data~0.base))) (<= (+ main_~data~0.offset 1) 0) (<= 1 main_~data~0.offset)), 26027#(or (<= 1 main_~data~0.offset) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= (select |#valid| main_~data~0.base) 1))), 26028#(or (and (= 8 (select |#length| |main_#t~mem28.base|)) (= 0 |main_#t~mem28.offset|) (= (select |#valid| main_~data~0.base) 1)) (<= 1 main_~data~0.offset)), 26029#(or (and (= (select |#length| main_~item~0.base) 8) (= (select |#valid| main_~data~0.base) 1) (= main_~item~0.offset 0)) (<= 1 main_~data~0.offset)), 26030#(and (= (select |#length| main_~item~0.base) 8) (= main_~item~0.offset 0))] [2018-02-04 02:14:44,219 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:44,219 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 02:14:44,219 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 02:14:44,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1162, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 02:14:44,219 INFO L87 Difference]: Start difference. First operand 293 states and 340 transitions. Second operand 36 states. [2018-02-04 02:14:46,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:46,166 INFO L93 Difference]: Finished difference Result 316 states and 361 transitions. [2018-02-04 02:14:46,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-02-04 02:14:46,166 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 79 [2018-02-04 02:14:46,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:46,167 INFO L225 Difference]: With dead ends: 316 [2018-02-04 02:14:46,167 INFO L226 Difference]: Without dead ends: 316 [2018-02-04 02:14:46,168 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1531 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=555, Invalid=5451, Unknown=0, NotChecked=0, Total=6006 [2018-02-04 02:14:46,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-02-04 02:14:46,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 293. [2018-02-04 02:14:46,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-02-04 02:14:46,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 339 transitions. [2018-02-04 02:14:46,170 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 339 transitions. Word has length 79 [2018-02-04 02:14:46,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:46,170 INFO L432 AbstractCegarLoop]: Abstraction has 293 states and 339 transitions. [2018-02-04 02:14:46,170 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 02:14:46,170 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 339 transitions. [2018-02-04 02:14:46,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-02-04 02:14:46,170 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:46,170 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:46,170 INFO L371 AbstractCegarLoop]: === Iteration 49 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:46,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1229468594, now seen corresponding path program 1 times [2018-02-04 02:14:46,171 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:46,180 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:47,141 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:47,142 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:47,142 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 02:14:47,142 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:47,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:47,142 INFO L182 omatonBuilderFactory]: Interpolants [26752#(and (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= |main_#t~mem17.base| main_~data~0.base)), 26753#(and (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base)), 26754#(and (= main_~data~0.base main_~dst~0.base) (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= main_~dst~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (= (+ main_~data~0.offset 4) main_~dst~0.offset)), 26755#(and (= main_~data~0.offset 0) (or (= main_~item2~0.base 0) (and (= main_~data~0.base main_~dst~0.base) (= main_~dst~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)))) (or (not (= main_~item2~0.base 0)) (= main_~item2~0.offset 0)) (= (+ main_~data~0.offset 4) main_~dst~0.offset)), 26756#(and (= main_~data~0.base main_~dst~0.base) (not (= main_~item2~0.base 0)) (= main_~data~0.offset 0) (= main_~dst~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (= (+ main_~data~0.offset 4) main_~dst~0.offset)), 26757#(and (= main_~data~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)) 0))), 26758#(not (= (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4)) 0)), 26759#(or (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) 0)) (<= (+ main_~data~0.offset 1) 0) (<= 1 main_~data~0.offset)), 26760#(or (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) 0)) (<= 1 main_~data~0.offset)), 26761#(or (not (= |main_#t~mem28.base| 0)) (<= 1 main_~data~0.offset)), 26762#(or (not (= main_~item~0.base 0)) (<= 1 main_~data~0.offset)), 26763#(not (= main_~item~0.base 0)), 26727#true, 26728#false, 26729#(= 0 |main_#t~malloc1.offset|), 26730#(= main_~item~0.offset 0), 26731#(and (= |main_#t~malloc5.offset| 0) (= main_~item~0.offset 0)), 26732#(and (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 26733#(and (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~lItem~0.offset) (= (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset) main_~lItem~0.base) (= main_~item~0.offset 0)), 26734#(and (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (= main_~item~0.offset 0) (= main_~data~0.base main_~lItem~0.base) (= (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset) main_~data~0.base)), 26735#(and (= 0 main_~data~0.offset) (= (select |#valid| main_~data~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base)), 26736#(and (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (= 0 |main_#t~malloc1.offset|) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base)), 26737#(and (= 0 main_~item~0.offset) (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset) main_~data~0.base) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base))), 26738#(and (= 0 main_~item~0.offset) (= 0 main_~data~0.offset) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base)), 26739#(and (= 0 main_~item~0.offset) (= 0 main_~data~0.offset) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base) (= main_~data~0.offset |main_#t~malloc5.offset|)), 26740#(and (or (and (= 0 main_~item~0.offset) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base)) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset)), 26741#(and (or (= main_~lItem~0.base main_~data~0.base) (and (= |main_#t~mem7.base| main_~data~0.base) (= 0 main_~item~0.offset))) (= main_~data~0.offset 0) (= main_~lItem~0.offset 0)), 26742#(and (= main_~data~0.offset 0) (or (and (= 0 main_~item~0.offset) (= (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset) main_~data~0.base)) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0)), 26743#(and (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (or (and (= 0 main_~item~0.offset) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base))), 26744#(and (= main_~data~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset) main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 26745#(and (= main_~data~0.offset 0) (or (= main_~data~0.base |main_#t~mem11.base|) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset) main_~data~0.base) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|))) (= main_~data~0.offset |main_#t~mem11.offset|)), 26746#(and (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) main_~data~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 26747#(and (= main_~data~0.offset 0) (= |main_#t~mem13.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) main_~data~0.base) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4)))), 26748#(and (= main_~data~0.offset 0) (= 0 |main_#t~mem14.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) main_~data~0.base)), 26749#(and (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) main_~data~0.base)), 26750#(and (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|) main_~data~0.base)), 26751#(and (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset) main_~data~0.base))] [2018-02-04 02:14:47,142 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:47,142 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 02:14:47,143 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 02:14:47,143 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1235, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 02:14:47,143 INFO L87 Difference]: Start difference. First operand 293 states and 339 transitions. Second operand 37 states. [2018-02-04 02:14:49,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:49,114 INFO L93 Difference]: Finished difference Result 316 states and 361 transitions. [2018-02-04 02:14:49,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-02-04 02:14:49,114 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 80 [2018-02-04 02:14:49,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:49,115 INFO L225 Difference]: With dead ends: 316 [2018-02-04 02:14:49,115 INFO L226 Difference]: Without dead ends: 316 [2018-02-04 02:14:49,116 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2129 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=949, Invalid=6883, Unknown=0, NotChecked=0, Total=7832 [2018-02-04 02:14:49,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-02-04 02:14:49,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 293. [2018-02-04 02:14:49,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-02-04 02:14:49,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 338 transitions. [2018-02-04 02:14:49,118 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 338 transitions. Word has length 80 [2018-02-04 02:14:49,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:49,118 INFO L432 AbstractCegarLoop]: Abstraction has 293 states and 338 transitions. [2018-02-04 02:14:49,118 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 02:14:49,118 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 338 transitions. [2018-02-04 02:14:49,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 02:14:49,118 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:49,119 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:49,119 INFO L371 AbstractCegarLoop]: === Iteration 50 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:49,119 INFO L82 PathProgramCache]: Analyzing trace with hash 541229135, now seen corresponding path program 1 times [2018-02-04 02:14:49,119 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:49,130 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:49,977 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:49,977 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:49,977 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 02:14:49,977 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:49,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:49,977 INFO L182 omatonBuilderFactory]: Interpolants [27480#true, 27481#false, 27482#(= 0 |main_#t~malloc1.offset|), 27483#(= main_~item~0.offset 0), 27484#(and (= |main_#t~malloc5.offset| 0) (= main_~item~0.offset 0)), 27485#(and (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 27486#(and (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= main_~item~0.offset 0)), 27487#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset) (= main_~item~0.offset 0) (= main_~data~0.base main_~lItem~0.base)), 27488#(and (= 0 main_~data~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 27489#(and (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (= 0 |main_#t~malloc1.offset|) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 27490#(and (= 0 main_~item~0.offset) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 27491#(and (= 0 main_~item~0.offset) (= 0 main_~data~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 27492#(and (= 0 main_~item~0.offset) (= 0 main_~data~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 27493#(and (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset) (or (and (= 0 main_~item~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base))), 27494#(and (= main_~data~0.offset 0) (or (= main_~lItem~0.base main_~data~0.base) (and (= 0 main_~item~0.offset) (= main_~data~0.base |main_#t~mem7.base|))) (= main_~lItem~0.offset 0)), 27495#(and (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (or (and (= 0 main_~item~0.offset) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base main_~data~0.base))), 27496#(and (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (or (and (= 0 main_~item~0.offset) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base))), 27497#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 27498#(and (= main_~data~0.offset 0) (= main_~data~0.offset |main_#t~mem11.offset|) (or (= main_~data~0.base |main_#t~mem11.base|) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)))), 27499#(and (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 27500#(and (= main_~data~0.offset 0) (= |main_#t~mem13.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 27501#(and (= main_~data~0.offset 0) (= 0 |main_#t~mem14.offset|) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 27502#(and (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 27503#(and (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 27504#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~item2~0.offset 0) (= main_~data~0.offset 0)), 27505#(and (= main_~data~0.base |main_#t~mem17.base|) (= main_~item2~0.offset 0) (= main_~data~0.offset 0)), 27506#(and (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 27507#(and (= main_~data~0.base main_~dst~0.base) (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= main_~dst~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (= (+ main_~data~0.offset 4) main_~dst~0.offset)), 27508#(and (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))), 27509#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) (+ 0 4))), 27510#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (<= (+ main_~data~0.offset 1) 0) (<= 1 main_~data~0.offset)), 27511#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (<= 1 main_~data~0.offset)), 27512#(or (and (= |main_#t~mem28.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))) (<= 1 main_~data~0.offset)), 27513#(or (<= 1 main_~data~0.offset) (and (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))))), 27514#(= 0 main_~item2~0.offset)] [2018-02-04 02:14:49,978 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:49,978 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 02:14:49,978 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 02:14:49,978 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1089, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 02:14:49,978 INFO L87 Difference]: Start difference. First operand 293 states and 338 transitions. Second operand 35 states. [2018-02-04 02:14:51,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:51,786 INFO L93 Difference]: Finished difference Result 349 states and 395 transitions. [2018-02-04 02:14:51,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-02-04 02:14:51,786 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 81 [2018-02-04 02:14:51,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:51,787 INFO L225 Difference]: With dead ends: 349 [2018-02-04 02:14:51,787 INFO L226 Difference]: Without dead ends: 349 [2018-02-04 02:14:51,787 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1858 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=859, Invalid=5947, Unknown=0, NotChecked=0, Total=6806 [2018-02-04 02:14:51,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2018-02-04 02:14:51,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 295. [2018-02-04 02:14:51,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-02-04 02:14:51,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 340 transitions. [2018-02-04 02:14:51,790 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 340 transitions. Word has length 81 [2018-02-04 02:14:51,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:51,790 INFO L432 AbstractCegarLoop]: Abstraction has 295 states and 340 transitions. [2018-02-04 02:14:51,790 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 02:14:51,790 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 340 transitions. [2018-02-04 02:14:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 02:14:51,790 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:51,790 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:51,790 INFO L371 AbstractCegarLoop]: === Iteration 51 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:51,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1105440895, now seen corresponding path program 1 times [2018-02-04 02:14:51,791 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:51,800 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:52,355 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:52,355 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:52,355 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 02:14:52,355 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:52,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:52,356 INFO L182 omatonBuilderFactory]: Interpolants [28258#true, 28259#false, 28260#(= |main_#t~malloc5.offset| 0), 28261#(= 0 main_~lItem~0.offset), 28262#(and (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))), 28263#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 28264#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 28265#(and (= main_~data~0.offset 0) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 28266#(and (= main_~data~0.offset 0) (not (= main_~item~0.base main_~data~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 28267#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 28268#(and (= 0 main_~data~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 28269#(and (or (= main_~lItem~0.base main_~data~0.base) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset main_~lItem~0.offset)), 28270#(and (or (= main_~lItem~0.base main_~data~0.base) (= main_~data~0.base |main_#t~mem7.base|)) (= main_~data~0.offset main_~lItem~0.offset)), 28271#(and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset main_~lItem~0.offset)), 28272#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset) (or (and (= main_~lItem~0.offset main_~data~0.offset) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base))), 28273#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 28274#(and (= main_~data~0.offset |main_#t~mem11.offset|) (or (= main_~data~0.base |main_#t~mem11.base|) (and (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)))), 28275#(= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 28276#(= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)), 28277#(= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)), 28278#(= main_~data~0.base |main_#t~mem17.base|), 28279#(= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)), 28280#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~dst~0.base main_~data~0.base)), 28281#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (= 1 (select |#valid| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base)), 28282#(and (= 1 (select |#valid| main_~item~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 28283#(or (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (and (= 1 (select |#valid| main_~item~0.base)) (= main_~data~0.offset main_~dst~0.offset) (= main_~dst~0.base main_~data~0.base))), 28284#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 28285#(= 1 (select |#valid| |main_#t~mem27.base|)), 28286#(= 1 (select |#valid| main_~data~0.base))] [2018-02-04 02:14:52,356 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:52,356 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 02:14:52,357 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 02:14:52,357 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=714, Unknown=0, NotChecked=0, Total=812 [2018-02-04 02:14:52,357 INFO L87 Difference]: Start difference. First operand 295 states and 340 transitions. Second operand 29 states. [2018-02-04 02:14:53,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:53,501 INFO L93 Difference]: Finished difference Result 316 states and 361 transitions. [2018-02-04 02:14:53,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 02:14:53,501 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 81 [2018-02-04 02:14:53,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:53,502 INFO L225 Difference]: With dead ends: 316 [2018-02-04 02:14:53,502 INFO L226 Difference]: Without dead ends: 316 [2018-02-04 02:14:53,502 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 836 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=540, Invalid=3242, Unknown=0, NotChecked=0, Total=3782 [2018-02-04 02:14:53,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-02-04 02:14:53,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 302. [2018-02-04 02:14:53,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2018-02-04 02:14:53,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 348 transitions. [2018-02-04 02:14:53,506 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 348 transitions. Word has length 81 [2018-02-04 02:14:53,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:53,506 INFO L432 AbstractCegarLoop]: Abstraction has 302 states and 348 transitions. [2018-02-04 02:14:53,506 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 02:14:53,506 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 348 transitions. [2018-02-04 02:14:53,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 02:14:53,507 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:53,507 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:53,507 INFO L371 AbstractCegarLoop]: === Iteration 52 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:53,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1105440894, now seen corresponding path program 1 times [2018-02-04 02:14:53,507 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:53,522 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:55,105 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:55,105 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:55,105 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 02:14:55,105 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:55,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:55,106 INFO L182 omatonBuilderFactory]: Interpolants [28992#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 28993#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 28994#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)))), 28995#(and (= 8 (select |#length| main_~data~0.base)) (not (= 0 |main_#t~mem17.base|)) (= main_~data~0.base |main_#t~mem17.base|) (= main_~data~0.offset 0) (= 0 |main_#t~mem17.offset|)), 28996#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (or (not (= main_~data~0.offset main_~item2~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 28997#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item2~0.offset)) (not (= main_~dst~0.base main_~item2~0.base))) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset) main_~data~0.offset)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~dst~0.base main_~data~0.base)), 28998#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item2~0.offset)) (not (= main_~dst~0.base main_~item2~0.base))) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset) main_~data~0.offset)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base)), 28999#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item2~0.offset)) (not (= main_~dst~0.base main_~item2~0.base))) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset) main_~data~0.offset)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base)), 29000#(and (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~data~0.offset 0) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~item2~0.base) main_~item2~0.offset))) (not (= main_~data~0.offset main_~item2~0.offset)) (not (= main_~dst~0.base main_~item2~0.base))) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~item2~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~data~0.offset))), 29001#(and (= 8 (select |#length| main_~data~0.base)) (or (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (<= 9 (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~data~0.offset 0) (or (not (= 0 |main_#t~mem23.base|)) (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))) (not (= main_~data~0.offset main_~dst~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~data~0.offset))), 29002#(and (= 8 (select |#length| main_~data~0.base)) (or (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (<= 9 (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~data~0.offset 0) (not (= main_~data~0.offset main_~dst~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~data~0.offset)) (or (not (= 0 main_~item2~0.base)) (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))))), 29003#(and (= 8 (select |#length| main_~data~0.base)) (or (= main_~data~0.offset |main_#t~mem24.offset|) (<= 9 (select |#length| |main_#t~mem24.base|))) (= main_~data~0.offset 0) (or (not (= 0 main_~item2~0.base)) (not (= main_~data~0.base |main_#t~mem24.base|))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (<= (+ |main_#t~mem24.offset| 8) (select |#length| |main_#t~mem24.base|)) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base))), 29004#(and (or (not (= 0 main_~item2~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~data~0.base) main_~data~0.offset))) (and (= (select |#length| main_~dst~0.base) 8) (= main_~data~0.offset main_~dst~0.offset) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base)))), 29005#(and (= main_~data~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (or (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (and (= (select |#length| main_~dst~0.base) 8) (= main_~data~0.offset main_~dst~0.offset) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base)))), 29006#(and (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 29007#(and (= 0 |main_#t~mem27.offset|) (<= (+ |main_#t~mem27.offset| 8) (select |#length| |main_#t~mem27.base|))), 29008#(and (= main_~data~0.offset 0) (<= (+ main_~data~0.offset 8) (select |#length| main_~data~0.base))), 28975#true, 28976#false, 28977#(and (= 8 (select |#length| |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (not (= 0 |main_#t~malloc5.base|))), 28978#(and (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (= 0 main_~lItem~0.offset)), 28979#(and (= 8 (select |#length| main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))), 28980#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= 8 (select |#length| main_~lItem~0.base)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 28981#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 28982#(and (= 8 (select |#length| main_~data~0.base)) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 28983#(and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 28984#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 28985#(and (or (= main_~data~0.base |main_#t~malloc5.base|) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= 0 main_~data~0.offset) (= main_~data~0.offset |main_#t~malloc5.offset|)), 28986#(and (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset)), 28987#(and (= main_~data~0.offset 0) (or (= main_~lItem~0.base main_~data~0.base) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|) (= main_~data~0.base |main_#t~mem7.base|))) (= main_~data~0.offset main_~lItem~0.offset)), 28988#(and (or (= main_~lItem~0.base main_~data~0.base) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)))) (= main_~data~0.offset 0) (= main_~data~0.offset main_~lItem~0.offset)), 28989#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (= main_~lItem~0.offset main_~data~0.offset) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset)), 28990#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 28991#(and (= main_~data~0.offset 0) (= main_~data~0.offset |main_#t~mem11.offset|) (or (= main_~data~0.base |main_#t~mem11.base|) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|))))] [2018-02-04 02:14:55,106 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:55,106 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 02:14:55,106 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 02:14:55,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=969, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 02:14:55,106 INFO L87 Difference]: Start difference. First operand 302 states and 348 transitions. Second operand 34 states. [2018-02-04 02:14:58,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:58,177 INFO L93 Difference]: Finished difference Result 402 states and 466 transitions. [2018-02-04 02:14:58,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 02:14:58,178 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 81 [2018-02-04 02:14:58,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:58,179 INFO L225 Difference]: With dead ends: 402 [2018-02-04 02:14:58,179 INFO L226 Difference]: Without dead ends: 402 [2018-02-04 02:14:58,179 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1288 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=951, Invalid=4599, Unknown=0, NotChecked=0, Total=5550 [2018-02-04 02:14:58,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2018-02-04 02:14:58,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 362. [2018-02-04 02:14:58,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2018-02-04 02:14:58,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 446 transitions. [2018-02-04 02:14:58,183 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 446 transitions. Word has length 81 [2018-02-04 02:14:58,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:58,183 INFO L432 AbstractCegarLoop]: Abstraction has 362 states and 446 transitions. [2018-02-04 02:14:58,183 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 02:14:58,183 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 446 transitions. [2018-02-04 02:14:58,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 02:14:58,184 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:58,184 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:58,184 INFO L371 AbstractCegarLoop]: === Iteration 53 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:58,184 INFO L82 PathProgramCache]: Analyzing trace with hash 385433365, now seen corresponding path program 1 times [2018-02-04 02:14:58,184 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:58,193 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:14:58,735 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:58,735 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:14:58,736 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 02:14:58,736 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:14:58,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:58,736 INFO L182 omatonBuilderFactory]: Interpolants [29888#(= 1 (select |#valid| main_~data~0.base)), 29860#true, 29861#false, 29862#(= |main_#t~malloc5.offset| 0), 29863#(= 0 main_~lItem~0.offset), 29864#(and (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))), 29865#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 29866#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 29867#(and (= main_~data~0.offset 0) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 29868#(and (= main_~data~0.offset 0) (not (= main_~item~0.base main_~data~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 29869#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 29870#(and (= 0 main_~data~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 29871#(and (or (= main_~lItem~0.base main_~data~0.base) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset main_~lItem~0.offset)), 29872#(and (or (= main_~lItem~0.base main_~data~0.base) (= main_~data~0.base |main_#t~mem7.base|)) (= main_~data~0.offset main_~lItem~0.offset)), 29873#(and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset main_~lItem~0.offset)), 29874#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset) (or (and (= main_~lItem~0.offset main_~data~0.offset) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base))), 29875#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 29876#(and (= main_~data~0.offset |main_#t~mem11.offset|) (or (= main_~data~0.base |main_#t~mem11.base|) (and (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)))), 29877#(= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 29878#(= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)), 29879#(= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)), 29880#(= main_~data~0.base |main_#t~mem17.base|), 29881#(= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)), 29882#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~dst~0.base main_~data~0.base)), 29883#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= 1 (select |#valid| main_~item2~0.base)) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~dst~0.base main_~data~0.base)), 29884#(and (= 1 (select |#valid| main_~item2~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 29885#(or (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset)) (and (= 1 (select |#valid| main_~item2~0.base)) (= main_~data~0.offset main_~dst~0.offset) (= main_~dst~0.base main_~data~0.base))), 29886#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 29887#(= 1 (select |#valid| |main_#t~mem27.base|))] [2018-02-04 02:14:58,736 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:14:58,736 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 02:14:58,737 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 02:14:58,737 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=714, Unknown=0, NotChecked=0, Total=812 [2018-02-04 02:14:58,737 INFO L87 Difference]: Start difference. First operand 362 states and 446 transitions. Second operand 29 states. [2018-02-04 02:14:59,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:14:59,818 INFO L93 Difference]: Finished difference Result 377 states and 461 transitions. [2018-02-04 02:14:59,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 02:14:59,818 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 82 [2018-02-04 02:14:59,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:14:59,819 INFO L225 Difference]: With dead ends: 377 [2018-02-04 02:14:59,819 INFO L226 Difference]: Without dead ends: 377 [2018-02-04 02:14:59,820 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=491, Invalid=3049, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 02:14:59,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-02-04 02:14:59,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 371. [2018-02-04 02:14:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-02-04 02:14:59,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 456 transitions. [2018-02-04 02:14:59,822 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 456 transitions. Word has length 82 [2018-02-04 02:14:59,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:14:59,822 INFO L432 AbstractCegarLoop]: Abstraction has 371 states and 456 transitions. [2018-02-04 02:14:59,822 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 02:14:59,822 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 456 transitions. [2018-02-04 02:14:59,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 02:14:59,822 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:14:59,822 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:14:59,822 INFO L371 AbstractCegarLoop]: === Iteration 54 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:14:59,822 INFO L82 PathProgramCache]: Analyzing trace with hash 385433366, now seen corresponding path program 1 times [2018-02-04 02:14:59,823 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:14:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:14:59,833 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:15:01,197 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:01,198 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:15:01,198 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 02:15:01,198 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:15:01,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:01,198 INFO L182 omatonBuilderFactory]: Interpolants [30720#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 30721#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 30722#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)))), 30723#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base |main_#t~mem17.base|) (not (= 0 |main_#t~mem17.base|)) (= main_~data~0.offset 0) (= 0 |main_#t~mem17.offset|)), 30724#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (or (not (= main_~data~0.offset main_~item~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 30725#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item~0.offset)) (not (= main_~item~0.base main_~dst~0.base))) (= main_~dst~0.base main_~data~0.base)), 30726#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (not (= main_~item~0.base main_~dst~0.base)) (not (= main_~item~0.offset main_~data~0.offset))) (not (= main_~data~0.offset main_~dst~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset) main_~data~0.offset)) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base)), 30727#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (= (select |#length| main_~dst~0.base) 8) (= main_~dst~0.base main_~data~0.base) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~data~0.offset)) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) main_~data~0.offset)) (not (= main_~item~0.base main_~dst~0.base)))), 30728#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~data~0.offset 0) (not (= main_~data~0.offset main_~dst~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= (select |#length| main_~dst~0.base) 8) (= main_~dst~0.base main_~data~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~data~0.offset)) (or (not (= (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) main_~data~0.offset)) (not (= 0 |main_#t~mem21.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base)))), 30729#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= (select |#length| main_~dst~0.base) 8) (= main_~dst~0.base main_~data~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~data~0.offset)) (or (not (= (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) main_~data~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base)) (not (= 0 main_~item~0.base)))), 30730#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (<= (+ |main_#t~mem24.offset| (select |#length| main_~data~0.base)) (select |#length| |main_#t~mem24.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (or (not (= |main_#t~mem24.base| main_~data~0.base)) (not (= |main_#t~mem24.offset| main_~data~0.offset)) (not (= 0 main_~item~0.base)))), 30731#(and (= main_~data~0.offset 0) (or (and (or (not (= main_~data~0.offset main_~dst~0.offset)) (not (= 0 main_~item~0.base))) (<= main_~dst~0.offset 0)) (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))))), 30732#(and (= main_~data~0.offset 0) (or (and (or (not (= main_~item~0.offset 0)) (not (= main_~data~0.offset main_~dst~0.offset)) (not (= 0 main_~item~0.base))) (<= main_~dst~0.offset 0)) (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))))), 30733#(and (= main_~data~0.offset 0) (or (and (not (= main_~data~0.offset main_~dst~0.offset)) (<= main_~dst~0.offset 0)) (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))))), 30734#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 30735#(and (= 8 (select |#length| |main_#t~mem27.base|)) (= 0 |main_#t~mem27.offset|)), 30736#(and (= main_~data~0.offset 0) (= (select |#length| main_~data~0.base) 8)), 30703#true, 30704#false, 30705#(and (= 8 (select |#length| |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (not (= 0 |main_#t~malloc5.base|))), 30706#(and (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (= 0 main_~lItem~0.offset)), 30707#(and (= 8 (select |#length| main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))), 30708#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= 8 (select |#length| main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 30709#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 30710#(and (= 8 (select |#length| main_~data~0.base)) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 30711#(and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 30712#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 30713#(and (or (= main_~data~0.base |main_#t~malloc5.base|) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= 0 main_~data~0.offset) (= main_~data~0.offset |main_#t~malloc5.offset|)), 30714#(and (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset)), 30715#(and (= main_~data~0.offset 0) (or (= main_~lItem~0.base main_~data~0.base) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|) (= main_~data~0.base |main_#t~mem7.base|))) (= main_~data~0.offset main_~lItem~0.offset)), 30716#(and (or (= main_~lItem~0.base main_~data~0.base) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)))) (= main_~data~0.offset 0) (= main_~data~0.offset main_~lItem~0.offset)), 30717#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (= main_~lItem~0.offset main_~data~0.offset) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset)), 30718#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 30719#(and (= main_~data~0.offset 0) (= main_~data~0.offset |main_#t~mem11.offset|) (or (= main_~data~0.base |main_#t~mem11.base|) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|))))] [2018-02-04 02:15:01,198 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:01,199 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 02:15:01,199 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 02:15:01,199 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=969, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 02:15:01,199 INFO L87 Difference]: Start difference. First operand 371 states and 456 transitions. Second operand 34 states. [2018-02-04 02:15:04,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:15:04,645 INFO L93 Difference]: Finished difference Result 468 states and 571 transitions. [2018-02-04 02:15:04,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 02:15:04,645 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 82 [2018-02-04 02:15:04,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:15:04,646 INFO L225 Difference]: With dead ends: 468 [2018-02-04 02:15:04,646 INFO L226 Difference]: Without dead ends: 468 [2018-02-04 02:15:04,646 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1145 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=900, Invalid=4356, Unknown=0, NotChecked=0, Total=5256 [2018-02-04 02:15:04,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2018-02-04 02:15:04,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 366. [2018-02-04 02:15:04,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-02-04 02:15:04,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 450 transitions. [2018-02-04 02:15:04,649 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 450 transitions. Word has length 82 [2018-02-04 02:15:04,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:15:04,649 INFO L432 AbstractCegarLoop]: Abstraction has 366 states and 450 transitions. [2018-02-04 02:15:04,649 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 02:15:04,649 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 450 transitions. [2018-02-04 02:15:04,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 02:15:04,649 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:15:04,649 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:15:04,649 INFO L371 AbstractCegarLoop]: === Iteration 55 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:15:04,649 INFO L82 PathProgramCache]: Analyzing trace with hash 450080744, now seen corresponding path program 1 times [2018-02-04 02:15:04,650 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:15:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:15:04,659 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:15:05,541 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 02:15:05,541 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:15:05,541 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 02:15:05,541 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:15:05,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:05,542 INFO L182 omatonBuilderFactory]: Interpolants [31680#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)))), 31681#(not (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))), 31682#(not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 31683#(not (= main_~data~0.base |main_#t~mem11.base|)), 31653#true, 31654#false, 31655#(not (= 0 |main_#t~malloc1.base|)), 31656#(not (= 0 main_~item~0.base)), 31657#(and (= |main_#t~malloc5.offset| 0) (not (= 0 main_~item~0.base))), 31658#(and (= 0 main_~lItem~0.offset) (not (= 0 main_~item~0.base))), 31659#(and (= (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset) main_~lItem~0.offset) (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (not (= 0 main_~item~0.base))), 31660#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (not (= 0 main_~item~0.base)) (= main_~data~0.base main_~lItem~0.base)), 31661#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 31662#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 31663#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4)))) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 31664#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 31665#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 31666#(and (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset)), 31667#(and (= main_~data~0.offset 0) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= main_~data~0.offset |main_#t~mem7.offset|) (= main_~data~0.base |main_#t~mem7.base|) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) |main_#t~mem7.base|)) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 31668#(and (= main_~data~0.offset 0) (or (and (not (= 0 (select (store (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base) main_~data~0.offset (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (+ main_~data~0.offset 4)))) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 31669#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (or (and (not (= 0 (select (store (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (+ main_~data~0.offset 4)))) (= main_~lItem~0.offset main_~data~0.offset) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (<= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~data~0.offset))), 31670#(and (= main_~data~0.offset 0) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 31671#(and (= main_~data~0.offset 0) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)) (= main_~data~0.base |main_#t~mem11.base|)) (= main_~data~0.offset |main_#t~mem11.offset|)), 31672#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 31673#(and (= main_~data~0.offset 0) (not (= 0 |main_#t~mem12.base|)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 31674#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (not (= 0 main_~item~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 31675#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (not (= 0 main_~item~0.base))), 31676#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset)) (not (= 0 main_~item~0.base))), 31677#(and (= main_~data~0.offset 0) (not (= 0 main_~item~0.base))), 31678#(and (= main_~data~0.offset 0) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (not (= 0 main_~item~0.base))), 31679#(and (= main_~data~0.offset 0) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (= (+ main_~data~0.offset 4) main_~dst~0.offset))] [2018-02-04 02:15:05,542 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 02:15:05,542 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 02:15:05,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 02:15:05,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=830, Unknown=0, NotChecked=0, Total=930 [2018-02-04 02:15:05,542 INFO L87 Difference]: Start difference. First operand 366 states and 450 transitions. Second operand 31 states. [2018-02-04 02:15:06,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:15:06,753 INFO L93 Difference]: Finished difference Result 364 states and 446 transitions. [2018-02-04 02:15:06,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 02:15:06,753 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 84 [2018-02-04 02:15:06,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:15:06,754 INFO L225 Difference]: With dead ends: 364 [2018-02-04 02:15:06,754 INFO L226 Difference]: Without dead ends: 363 [2018-02-04 02:15:06,754 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 4 SyntacticMatches, 5 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 603 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=455, Invalid=2625, Unknown=0, NotChecked=0, Total=3080 [2018-02-04 02:15:06,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-02-04 02:15:06,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 347. [2018-02-04 02:15:06,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2018-02-04 02:15:06,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 429 transitions. [2018-02-04 02:15:06,756 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 429 transitions. Word has length 84 [2018-02-04 02:15:06,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:15:06,756 INFO L432 AbstractCegarLoop]: Abstraction has 347 states and 429 transitions. [2018-02-04 02:15:06,756 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 02:15:06,756 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 429 transitions. [2018-02-04 02:15:06,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-04 02:15:06,757 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:15:06,757 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:15:06,757 INFO L371 AbstractCegarLoop]: === Iteration 56 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:15:06,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1624302224, now seen corresponding path program 1 times [2018-02-04 02:15:06,757 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:15:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:15:06,768 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:15:08,043 WARN L146 SmtUtils]: Spent 122ms on a formula simplification. DAG size of input: 85 DAG size of output 63 [2018-02-04 02:15:08,194 WARN L146 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 74 DAG size of output 53 [2018-02-04 02:15:08,866 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:08,866 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:15:08,866 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 02:15:08,866 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:15:08,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:08,866 INFO L182 omatonBuilderFactory]: Interpolants [32448#false, 32449#(and (= 8 (select |#length| |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (not (= 0 |main_#t~malloc5.base|))), 32450#(and (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (= 0 main_~lItem~0.offset)), 32451#(and (= 8 (select |#length| main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset) main_~lItem~0.offset) (= main_~lItem~0.offset 0) (= (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset) main_~lItem~0.base)), 32452#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= 8 (select |#length| main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 32453#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 32454#(and (= 8 (select |#length| main_~data~0.base)) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 32455#(and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (not (= main_~item~0.base main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 32456#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 32457#(and (or (= main_~data~0.base |main_#t~malloc5.base|) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= 0 main_~data~0.offset) (= main_~data~0.offset |main_#t~malloc5.offset|)), 32458#(and (or (= main_~lItem~0.base main_~data~0.base) (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset main_~lItem~0.offset)), 32459#(and (or (= main_~lItem~0.base main_~data~0.base) (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset |main_#t~mem7.offset|) (not (= 0 |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|) (= main_~data~0.base |main_#t~mem7.base|))) (= main_~data~0.offset main_~lItem~0.offset)), 32460#(and (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 32461#(and (or (= main_~lItem~0.base main_~data~0.base) (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= main_~lItem~0.offset main_~data~0.offset) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~data~0.offset))), 32462#(and (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 32463#(and (= main_~data~0.offset |main_#t~mem11.offset|) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)) (= main_~data~0.base |main_#t~mem11.base|))), 32464#(and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 32465#(and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 32466#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset))), 32467#(and (= 8 (select |#length| main_~data~0.base)) (not (= 0 |main_#t~mem17.base|)) (= main_~data~0.base |main_#t~mem17.base|) (= main_~data~0.offset 0) (= 0 |main_#t~mem17.offset|)), 32468#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (or (not (= main_~data~0.offset main_~item2~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 32469#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item2~0.offset)) (not (= main_~dst~0.base main_~item2~0.base))) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset) main_~data~0.offset)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~dst~0.base main_~data~0.base)), 32470#(and (or (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset) main_~data~0.offset))) (= main_~item~0.offset 0)) (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 main_~item~0.base))) (not (= main_~item~0.offset 0))) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item2~0.offset)) (not (= main_~dst~0.base main_~item2~0.base))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~dst~0.base main_~data~0.base)), 32471#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (or (and (= 8 (select |#length| main_~data~0.base)) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item2~0.offset)) (not (= main_~dst~0.base main_~item2~0.base))) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset) main_~data~0.offset)) (or (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)) (<= main_~item2~0.offset 0))) (= main_~item~0.offset 0)) (or (not (= main_~item~0.offset 0)) (and (= 8 (select |#length| main_~data~0.base)) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item2~0.offset)) (not (= main_~dst~0.base main_~item2~0.base))) (or (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)) (<= main_~item2~0.offset 0)) (not (= 0 main_~item~0.base)))) (= main_~dst~0.base main_~data~0.base)), 32472#(and (= main_~item2~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)) (= main_~data~0.offset 0) (or (and (not (= main_~item2~0.offset 0)) (or (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)) (<= main_~item2~0.offset 0))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset))) (or (not (= main_~item~0.offset 0)) (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (not (= 0 main_~item~0.base)))) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~dst~0.base main_~data~0.base) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~item2~0.base) main_~item2~0.offset))) (and (= main_~item2~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (not (= main_~data~0.offset main_~item2~0.offset))) (not (= main_~dst~0.base main_~item2~0.base))) (or (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~item2~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~data~0.offset))) (= main_~item~0.offset 0))), 32473#(and (or (and (or (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= |main_#t~mem23.offset| (select (select |#memory_$Pointer$.offset| main_~dst~0.base) (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~data~0.offset))) (= main_~item~0.offset 0)) (= 8 (select |#length| main_~data~0.base)) (or (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (<= 9 (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (or (not (= 0 |main_#t~mem23.base|)) (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~dst~0.base main_~data~0.base)), 32474#(and (or (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (<= 9 (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))) (or (not (= main_~item~0.offset 0)) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 main_~item~0.base)) (or (not (= 0 main_~item2~0.base)) (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))))) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~dst~0.base main_~data~0.base) (or (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~data~0.offset)) (or (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= main_~item2~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)))) (or (not (= 0 main_~item2~0.base)) (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))))) (= main_~item~0.offset 0))), 32475#(and (or (= main_~data~0.offset |main_#t~mem24.offset|) (<= 9 (select |#length| |main_#t~mem24.base|))) (= main_~data~0.offset 0) (or (not (= main_~item~0.offset 0)) (and (= 8 (select |#length| main_~data~0.base)) (or (not (= 0 main_~item2~0.base)) (not (= main_~data~0.base |main_#t~mem24.base|))) (not (= 0 main_~item~0.base)))) (or (and (= 8 (select |#length| main_~data~0.base)) (or (= main_~item2~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) |main_#t~mem24.offset|)) (not (= main_~data~0.base |main_#t~mem24.base|))) (or (not (= 0 main_~item2~0.base)) (not (= main_~data~0.base |main_#t~mem24.base|))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~item~0.offset 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 32476#(and (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (or (and (= 8 (select |#length| main_~data~0.base)) (or (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (and (= main_~data~0.base main_~dst~0.base) (= main_~item2~0.offset (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~data~0.base) main_~dst~0.offset))) (= main_~item~0.offset 0)) (= main_~data~0.offset 0) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (and (not (= 0 main_~item2~0.base)) (= main_~data~0.offset main_~dst~0.offset)))), 32477#(and (= 8 (select |#length| main_~data~0.base)) (or (and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~data~0.base) main_~data~0.offset))) (= main_~item~0.offset 0)) (= main_~data~0.offset 0) (or (not (= main_~item~0.offset 0)) (and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= 0 main_~item~0.base))))), 32478#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset))), 32479#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 32480#(and (= 8 (select |#length| |main_#t~mem27.base|)) (= (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) 0) |main_#t~mem27.base|) (or (= (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|) |main_#t~mem27.offset|) (not (= 0 |main_#t~mem27.offset|)))), 32481#(and (or (not (= main_~data~0.offset 0)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (or (not (= main_~data~0.offset 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select |#length| main_~data~0.base) 8)), 32482#(and (or (not (= main_~data~0.offset 0)) (and (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (<= 0 main_~data~0.offset) (or (not (= main_~data~0.offset 0)) (and (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= (select |#length| main_~data~0.base) 8)), 32483#(and (not (= main_~data~0.offset 0)) (<= 0 main_~data~0.offset) (= (select |#length| main_~data~0.base) 8)), 32447#true] [2018-02-04 02:15:08,867 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:08,867 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 02:15:08,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 02:15:08,867 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1187, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 02:15:08,867 INFO L87 Difference]: Start difference. First operand 347 states and 429 transitions. Second operand 37 states. [2018-02-04 02:15:10,743 WARN L146 SmtUtils]: Spent 147ms on a formula simplification. DAG size of input: 126 DAG size of output 80 [2018-02-04 02:15:10,990 WARN L146 SmtUtils]: Spent 201ms on a formula simplification. DAG size of input: 152 DAG size of output 95 [2018-02-04 02:15:11,259 WARN L146 SmtUtils]: Spent 153ms on a formula simplification. DAG size of input: 121 DAG size of output 74 [2018-02-04 02:15:11,525 WARN L146 SmtUtils]: Spent 219ms on a formula simplification. DAG size of input: 137 DAG size of output 88 [2018-02-04 02:15:12,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:15:12,658 INFO L93 Difference]: Finished difference Result 372 states and 454 transitions. [2018-02-04 02:15:12,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 02:15:12,659 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 86 [2018-02-04 02:15:12,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:15:12,660 INFO L225 Difference]: With dead ends: 372 [2018-02-04 02:15:12,660 INFO L226 Difference]: Without dead ends: 371 [2018-02-04 02:15:12,660 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1246 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=856, Invalid=4844, Unknown=0, NotChecked=0, Total=5700 [2018-02-04 02:15:12,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-02-04 02:15:12,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 353. [2018-02-04 02:15:12,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-02-04 02:15:12,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 435 transitions. [2018-02-04 02:15:12,662 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 435 transitions. Word has length 86 [2018-02-04 02:15:12,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:15:12,662 INFO L432 AbstractCegarLoop]: Abstraction has 353 states and 435 transitions. [2018-02-04 02:15:12,662 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 02:15:12,662 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 435 transitions. [2018-02-04 02:15:12,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 02:15:12,663 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:15:12,663 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:15:12,663 INFO L371 AbstractCegarLoop]: === Iteration 57 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:15:12,663 INFO L82 PathProgramCache]: Analyzing trace with hash 71208828, now seen corresponding path program 1 times [2018-02-04 02:15:12,664 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:15:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:15:12,681 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:15:14,068 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:14,068 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:15:14,068 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 02:15:14,068 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:15:14,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:14,068 INFO L182 omatonBuilderFactory]: Interpolants [33290#true, 33291#false, 33292#(and (= 8 (select |#length| |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (not (= 0 |main_#t~malloc5.base|))), 33293#(and (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (= 0 main_~lItem~0.offset)), 33294#(and (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= (select |#valid| main_~lItem~0.base) 1) (= main_~lItem~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))), 33295#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= (select |#valid| main_~lItem~0.base) 1) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 33296#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 33297#(and (= 8 (select |#length| main_~data~0.base)) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 33298#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 33299#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 33300#(and (or (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base |main_#t~malloc5.base|)) (= 0 main_~data~0.offset) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 33301#(and (or (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset)), 33302#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset |main_#t~mem7.offset|) (not (= 0 |main_#t~mem7.base|)) (= main_~data~0.base |main_#t~mem7.base|)) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 33303#(and (= main_~data~0.offset 0) (= main_~data~0.offset main_~lItem~0.offset) (or (= main_~lItem~0.base main_~data~0.base) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))))), 33304#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (= main_~lItem~0.offset main_~data~0.offset) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset)), 33305#(and (= main_~data~0.offset 0) (or (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 33306#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)) (= main_~data~0.base |main_#t~mem11.base|)) (= main_~data~0.offset |main_#t~mem11.offset|)), 33307#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 33308#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 33309#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset))), 33310#(and (= 8 (select |#length| main_~data~0.base)) (not (= 0 |main_#t~mem17.base|)) (= main_~data~0.offset |main_#t~mem17.offset|) (= main_~data~0.base |main_#t~mem17.base|) (= main_~data~0.offset 0)), 33311#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (or (not (= main_~data~0.offset main_~item~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 33312#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (= (select |#length| main_~dst~0.base) 8) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item~0.offset)) (not (= main_~item~0.base main_~dst~0.base))) (= main_~dst~0.base main_~data~0.base) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset) main_~data~0.offset))), 33313#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset 0) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (not (= main_~item~0.base main_~dst~0.base)) (not (= main_~item~0.offset main_~data~0.offset))) (not (= main_~data~0.offset main_~dst~0.offset)) (= (select |#length| main_~dst~0.base) 8) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset) main_~data~0.offset))), 33314#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~data~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (= (select |#length| main_~dst~0.base) 8) (= main_~dst~0.base main_~data~0.base) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) main_~data~0.offset)) (not (= main_~item~0.base main_~dst~0.base)))), 33315#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~data~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= (select |#length| main_~dst~0.base) 8) (= main_~dst~0.base main_~data~0.base) (or (not (= (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) main_~data~0.offset)) (not (= 0 |main_#t~mem21.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base)))), 33316#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~data~0.offset)) (= (select |#length| main_~dst~0.base) 8) (= main_~dst~0.base main_~data~0.base) (or (not (= (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) main_~data~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base)) (not (= 0 main_~item~0.base)))), 33317#(and (= main_~data~0.offset 0) (<= (+ |main_#t~mem24.offset| (select |#length| main_~data~0.base)) (select |#length| |main_#t~mem24.base|)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (or (not (= |main_#t~mem24.base| main_~data~0.base)) (not (= |main_#t~mem24.offset| main_~data~0.offset)) (not (= 0 main_~item~0.base)))), 33318#(and (= main_~data~0.offset 0) (or (and (or (not (= main_~data~0.offset main_~dst~0.offset)) (not (= 0 main_~item~0.base))) (<= main_~dst~0.offset 0)) (and (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))))), 33319#(and (= main_~data~0.offset 0) (or (and (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))) (and (or (not (= main_~item~0.offset 0)) (not (= main_~data~0.offset main_~dst~0.offset)) (not (= 0 main_~item~0.base))) (<= main_~dst~0.offset 0)))), 33320#(and (= main_~data~0.offset 0) (or (and (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))) (and (not (= main_~data~0.offset main_~dst~0.offset)) (<= main_~dst~0.offset 0)))), 33321#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 33322#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|))), 33323#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 33324#(= 1 (select |#valid| |main_#t~mem13.base|))] [2018-02-04 02:15:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:14,069 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 02:15:14,069 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 02:15:14,069 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1048, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 02:15:14,069 INFO L87 Difference]: Start difference. First operand 353 states and 435 transitions. Second operand 35 states. [2018-02-04 02:15:17,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:15:17,035 INFO L93 Difference]: Finished difference Result 362 states and 441 transitions. [2018-02-04 02:15:17,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 02:15:17,035 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 87 [2018-02-04 02:15:17,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:15:17,036 INFO L225 Difference]: With dead ends: 362 [2018-02-04 02:15:17,036 INFO L226 Difference]: Without dead ends: 362 [2018-02-04 02:15:17,036 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1178 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=778, Invalid=4478, Unknown=0, NotChecked=0, Total=5256 [2018-02-04 02:15:17,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2018-02-04 02:15:17,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 353. [2018-02-04 02:15:17,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-02-04 02:15:17,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 434 transitions. [2018-02-04 02:15:17,038 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 434 transitions. Word has length 87 [2018-02-04 02:15:17,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:15:17,039 INFO L432 AbstractCegarLoop]: Abstraction has 353 states and 434 transitions. [2018-02-04 02:15:17,039 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 02:15:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 434 transitions. [2018-02-04 02:15:17,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 02:15:17,039 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:15:17,039 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:15:17,039 INFO L371 AbstractCegarLoop]: === Iteration 58 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:15:17,039 INFO L82 PathProgramCache]: Analyzing trace with hash 71208829, now seen corresponding path program 1 times [2018-02-04 02:15:17,040 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:15:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:15:17,051 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:15:18,426 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:18,426 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:15:18,426 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 02:15:18,426 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:15:18,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:18,427 INFO L182 omatonBuilderFactory]: Interpolants [34119#true, 34120#false, 34121#(and (= 8 (select |#length| |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (not (= 0 |main_#t~malloc5.base|))), 34122#(and (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (= 0 main_~lItem~0.offset)), 34123#(and (= 1 (select |#valid| main_~lItem~0.base)) (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset) main_~lItem~0.offset) (= 0 main_~lItem~0.offset) (= (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset) main_~lItem~0.base)), 34124#(and (= main_~data~0.offset 0) (= 1 (select |#valid| main_~lItem~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 34125#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= 1 (select |#valid| main_~data~0.base)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 34126#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= |main_#t~malloc1.base| main_~data~0.base)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 34127#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (not (= main_~item~0.base main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 34128#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 34129#(and (or (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base |main_#t~malloc5.base|)) (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 34130#(and (or (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 34131#(and (or (= main_~lItem~0.base main_~data~0.base) (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= main_~data~0.offset |main_#t~mem7.offset|) (not (= 0 |main_#t~mem7.base|)) (= main_~data~0.base |main_#t~mem7.base|))) (= main_~data~0.offset main_~lItem~0.offset)), 34132#(and (or (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 34133#(and (or (= main_~lItem~0.base main_~data~0.base) (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= main_~lItem~0.offset main_~data~0.offset) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~data~0.offset))), 34134#(and (or (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 34135#(and (or (= main_~data~0.base |main_#t~mem11.base|) (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|))) (= main_~data~0.offset |main_#t~mem11.offset|)), 34136#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 34137#(and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (or (not (= main_~item~0.offset 0)) (= main_~data~0.offset main_~item~0.offset))), 34138#(and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (or (not (= main_~item~0.offset 0)) (= main_~data~0.offset main_~item~0.offset))), 34139#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset)) (or (not (= main_~item~0.offset 0)) (= main_~data~0.offset main_~item~0.offset))), 34140#(and (= main_~data~0.offset |main_#t~mem17.offset|) (= 8 (select |#length| main_~data~0.base)) (not (= 0 |main_#t~mem17.base|)) (= main_~data~0.base |main_#t~mem17.base|) (or (not (= main_~item~0.offset 0)) (= main_~data~0.offset main_~item~0.offset))), 34141#(and (= 8 (select |#length| main_~data~0.base)) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset main_~item~0.offset)) (not (= main_~item~0.offset 0))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 34142#(or (and (= 8 (select |#length| main_~data~0.base)) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset main_~item~0.offset)) (not (= main_~item~0.offset 0))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= 1 (select |#valid| main_~item2~0.base)))), 34143#(or (not (= 1 (select |#valid| main_~item2~0.base))) (and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (or (not (= main_~item~0.base main_~dst~0.base)) (and (= (select |#length| main_~dst~0.base) 8) (or (not (= main_~item~0.offset 0)) (and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (= main_~data~0.offset main_~item~0.offset))))) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~dst~0.base main_~data~0.base) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset) main_~data~0.offset)))), 34144#(or (and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (or (and (= (select |#length| main_~dst~0.base) 8) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (or (not (= main_~item~0.offset 0)) (and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (= main_~data~0.offset main_~item~0.offset)))) (not (= main_~item~0.base main_~dst~0.base))) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~dst~0.base main_~data~0.base) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset) main_~data~0.offset))) (not (= 1 (select |#valid| main_~item2~0.base)))), 34145#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (or (and (= (select |#length| main_~dst~0.base) 8) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (or (not (= main_~item~0.offset 0)) (and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (= main_~data~0.offset main_~item~0.offset)))) (not (= main_~item~0.base main_~dst~0.base))) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~dst~0.base main_~data~0.base) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset) main_~data~0.offset))), 34146#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~item~0.base) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~data~0.offset)) (= main_~dst~0.base main_~data~0.base) (or (and (not (= main_~item~0.offset 0)) (= (select |#length| main_~dst~0.base) 8) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= main_~item~0.base main_~dst~0.base)))), 34147#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (or (not (= 0 |main_#t~mem21.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base))) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~data~0.offset)) (= main_~dst~0.base main_~data~0.base)), 34148#(and (or (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base)) (not (= 0 main_~item~0.base))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~data~0.offset)) (= main_~dst~0.base main_~data~0.base)), 34149#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (or (not (= |main_#t~mem24.base| main_~data~0.base)) (not (= 0 main_~item~0.base)))), 34150#(or (and (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= 0 main_~item~0.base))), 34151#(or (not (= main_~item~0.offset 0)) (and (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= 0 main_~item~0.base))), 34152#(and (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))), 34153#(and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 34154#(and (= (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|) |main_#t~mem27.offset|) (= (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|) |main_#t~mem27.base|)), 34155#(and (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))] [2018-02-04 02:15:18,427 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:18,427 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 02:15:18,427 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 02:15:18,427 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1179, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 02:15:18,427 INFO L87 Difference]: Start difference. First operand 353 states and 434 transitions. Second operand 37 states. [2018-02-04 02:15:21,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:15:21,698 INFO L93 Difference]: Finished difference Result 315 states and 358 transitions. [2018-02-04 02:15:21,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 02:15:21,699 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 87 [2018-02-04 02:15:21,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:15:21,699 INFO L225 Difference]: With dead ends: 315 [2018-02-04 02:15:21,700 INFO L226 Difference]: Without dead ends: 315 [2018-02-04 02:15:21,700 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 9 SyntacticMatches, 3 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1240 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=887, Invalid=4813, Unknown=0, NotChecked=0, Total=5700 [2018-02-04 02:15:21,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-02-04 02:15:21,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 291. [2018-02-04 02:15:21,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2018-02-04 02:15:21,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 334 transitions. [2018-02-04 02:15:21,702 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 334 transitions. Word has length 87 [2018-02-04 02:15:21,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:15:21,702 INFO L432 AbstractCegarLoop]: Abstraction has 291 states and 334 transitions. [2018-02-04 02:15:21,702 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 02:15:21,702 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 334 transitions. [2018-02-04 02:15:21,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-02-04 02:15:21,702 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:15:21,702 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:15:21,703 INFO L371 AbstractCegarLoop]: === Iteration 59 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:15:21,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1348649262, now seen corresponding path program 1 times [2018-02-04 02:15:21,703 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:15:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:15:21,717 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:15:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:23,350 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:15:23,350 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-02-04 02:15:23,350 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:15:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:23,351 INFO L182 omatonBuilderFactory]: Interpolants [34880#(or (and (not (= 0 main_~data~0.base)) (= 1 (select (store |#valid| main_~data~0.base 0) |main_#t~mem28.base|))) (<= 1 main_~data~0.offset)), 34881#(or (<= 1 main_~data~0.offset) (and (= 1 (select (store |#valid| main_~data~0.base 0) main_~item~0.base)) (not (= 0 main_~data~0.base)))), 34882#(= 1 (select |#valid| main_~item~0.base)), 34844#true, 34845#false, 34846#(= 0 |main_#t~malloc1.offset|), 34847#(= main_~item~0.offset 0), 34848#(and (= |main_#t~malloc5.offset| 0) (= (select |#length| |main_#t~malloc5.base|) 8) (not (= 0 |main_#t~malloc5.base|)) (= main_~item~0.offset 0)), 34849#(and (not (= 0 main_~lItem~0.base)) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0) (= (select |#length| main_~lItem~0.base) 8)), 34850#(and (= (select |#valid| main_~lItem~0.base) 1) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= 0 main_~lItem~0.offset) (= (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset) main_~lItem~0.base) (= main_~item~0.offset 0) (= (select |#length| main_~lItem~0.base) 8)), 34851#(and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (= main_~item~0.offset 0) (= (select |#length| main_~lItem~0.base) 8) (= (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset) main_~data~0.base) (= main_~data~0.base main_~lItem~0.base)), 34852#(and (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select |#valid| main_~data~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base) (= (select |#length| main_~data~0.base) 8)), 34853#(and (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base) (= (select |#length| main_~data~0.base) 8)), 34854#(and (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (= (select |#length| main_~data~0.base) 8)), 34855#(and (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base) (= (select |#length| main_~data~0.base) 8)), 34856#(and (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base) (= (select |#length| main_~data~0.base) 8)) (= main_~data~0.base |main_#t~malloc5.base|)) (= 0 main_~data~0.offset) (= main_~data~0.offset |main_#t~malloc5.offset|)), 34857#(and (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base) (= (select |#length| main_~data~0.base) 8)) (= main_~lItem~0.base main_~data~0.base))), 34858#(and (= main_~data~0.offset 0) (or (= main_~lItem~0.base main_~data~0.base) (and (not (= 0 |main_#t~mem7.base|)) (= main_~data~0.base |main_#t~mem7.base|) (= (select |#length| main_~data~0.base) 8))) (= main_~data~0.offset main_~lItem~0.offset)), 34859#(and (= main_~data~0.offset 0) (or (and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (= (select |#length| main_~data~0.base) 8)) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 34860#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (or (= main_~lItem~0.base main_~data~0.base) (and (= main_~lItem~0.offset main_~data~0.offset) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= (select |#length| main_~data~0.base) 8))) (<= main_~data~0.offset main_~lItem~0.offset)), 34861#(and (= main_~data~0.offset 0) (or (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select |#length| main_~data~0.base) 8))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 34862#(and (= main_~data~0.offset 0) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|) (= (select |#length| main_~data~0.base) 8)) (= main_~data~0.base |main_#t~mem11.base|)) (= main_~data~0.offset |main_#t~mem11.offset|)), 34863#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= (select |#length| main_~data~0.base) 8)), 34864#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= (select |#length| main_~data~0.base) 8)), 34865#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset) main_~data~0.base) (= (select |#length| main_~data~0.base) 8)), 34866#(and (not (= 0 |main_#t~mem17.base|)) (= main_~data~0.offset 0) (= |main_#t~mem17.base| main_~data~0.base) (= (select |#length| main_~data~0.base) 8)), 34867#(and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (= (select |#length| main_~dst~0.base) 8) (= main_~dst~0.base main_~data~0.base) (= (+ main_~data~0.offset 4) main_~dst~0.offset)), 34868#(and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (= main_~data~0.offset 0) (or (not (= main_~item~0.offset 0)) (not (= main_~data~0.offset main_~item2~0.offset)) (not (= main_~dst~0.base main_~item2~0.base)) (not (= 0 main_~item~0.base))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (= (select |#length| main_~dst~0.base) 8) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (= main_~dst~0.base main_~data~0.base)), 34869#(and (<= (+ (select |#length| main_~data~0.base) main_~item2~0.offset) (select |#length| main_~item2~0.base)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (= main_~data~0.offset 0) (or (not (= main_~item~0.offset 0)) (not (= main_~data~0.offset main_~item2~0.offset)) (not (= main_~dst~0.base main_~item2~0.base)) (not (= 0 main_~item~0.base))) (= 1 (select |#valid| main_~item2~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (= (select |#length| main_~dst~0.base) 8) (= main_~dst~0.base main_~data~0.base) (= (+ main_~data~0.offset 4) main_~dst~0.offset)), 34870#(and (= main_~item2~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)) (<= (+ (select |#length| main_~data~0.base) main_~item2~0.offset) (select |#length| main_~item2~0.base)) (or (not (= main_~item~0.offset 0)) (not (= main_~data~0.offset main_~item2~0.offset)) (not (= main_~dst~0.base main_~item2~0.base)) (not (= 0 main_~item~0.base))) (= main_~data~0.offset 0) (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= 1 (select |#valid| main_~item2~0.base)) (= main_~item2~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (= (select |#length| main_~dst~0.base) 8) (= main_~dst~0.base main_~data~0.base) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)))), 34871#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) (select |#length| main_~data~0.base)) (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~data~0.offset 0) (or (and (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (not (= 0 |main_#t~mem23.base|))) (not (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset))) (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))) (= (select |#length| main_~dst~0.base) 8) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (= main_~dst~0.base main_~data~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)))), 34872#(and (= main_~data~0.base main_~dst~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= main_~data~0.offset 0) (<= (+ (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) (select |#length| main_~data~0.base)) (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= (select |#length| main_~dst~0.base) 8) (or (and (not (= 0 main_~item2~0.base)) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base)))) (not (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset))) (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)))), 34873#(and (= 8 (select |#length| main_~data~0.base)) (= |main_#t~mem24.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) (= main_~data~0.offset 0) (or (and (not (= 0 main_~item2~0.base)) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base)))) (not (= main_~data~0.base |main_#t~mem24.base|)) (not (= main_~data~0.offset |main_#t~mem24.offset|))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4)))) (<= (+ |main_#t~mem24.offset| 8) (select |#length| |main_#t~mem24.base|))), 34874#(and (or (and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) (+ 0 4)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset) (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) (+ 0 4))))) (< main_~dst~0.offset main_~data~0.offset) (and (not (= 0 main_~item2~0.base)) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (= (select |#length| main_~dst~0.base) 8) (= main_~data~0.offset main_~dst~0.offset))) (= main_~data~0.offset 0)), 34875#(and (or (and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) (+ 0 4)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset) (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) (+ 0 4))))) (< main_~dst~0.offset main_~data~0.offset)) (= main_~data~0.offset 0)), 34876#(and (= main_~data~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))))), 34877#(and (not (= 0 |main_#t~mem27.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4)))) (not (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))))), 34878#(or (<= (+ main_~data~0.offset 1) 0) (<= 1 main_~data~0.offset) (and (not (= 0 main_~data~0.base)) (= 1 (select (store |#valid| main_~data~0.base 0) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))))), 34879#(or (<= 1 main_~data~0.offset) (and (not (= 0 main_~data~0.base)) (= 1 (select (store |#valid| main_~data~0.base 0) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))))] [2018-02-04 02:15:23,351 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:23,351 INFO L409 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-02-04 02:15:23,351 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-02-04 02:15:23,351 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1370, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 02:15:23,351 INFO L87 Difference]: Start difference. First operand 291 states and 334 transitions. Second operand 39 states. [2018-02-04 02:15:26,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:15:26,536 INFO L93 Difference]: Finished difference Result 346 states and 392 transitions. [2018-02-04 02:15:26,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-02-04 02:15:26,536 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 88 [2018-02-04 02:15:26,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:15:26,537 INFO L225 Difference]: With dead ends: 346 [2018-02-04 02:15:26,537 INFO L226 Difference]: Without dead ends: 346 [2018-02-04 02:15:26,537 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2075 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=788, Invalid=7222, Unknown=0, NotChecked=0, Total=8010 [2018-02-04 02:15:26,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2018-02-04 02:15:26,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 303. [2018-02-04 02:15:26,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-02-04 02:15:26,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 348 transitions. [2018-02-04 02:15:26,539 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 348 transitions. Word has length 88 [2018-02-04 02:15:26,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:15:26,540 INFO L432 AbstractCegarLoop]: Abstraction has 303 states and 348 transitions. [2018-02-04 02:15:26,540 INFO L433 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-02-04 02:15:26,540 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 348 transitions. [2018-02-04 02:15:26,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-02-04 02:15:26,540 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:15:26,540 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:15:26,540 INFO L371 AbstractCegarLoop]: === Iteration 60 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:15:26,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1348649261, now seen corresponding path program 1 times [2018-02-04 02:15:26,541 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:15:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:15:26,558 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:15:28,130 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:28,130 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:15:28,130 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-02-04 02:15:28,130 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:15:28,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:28,131 INFO L182 omatonBuilderFactory]: Interpolants [35648#(and (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset main_~item~0.offset)), 35649#(and (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|) (= main_~data~0.offset main_~item~0.offset)), 35650#(and (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset main_~item~0.offset)) (= main_~lItem~0.base main_~data~0.base))), 35651#(and (= main_~data~0.offset 0) (or (= main_~lItem~0.base main_~data~0.base) (and (not (= 0 |main_#t~mem7.base|)) (= main_~data~0.base |main_#t~mem7.base|) (= main_~data~0.offset main_~item~0.offset))) (= main_~lItem~0.offset 0)), 35652#(and (= main_~data~0.offset 0) (or (and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset main_~item~0.offset)) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0)), 35653#(and (= main_~data~0.offset 0) (or (and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset main_~item~0.offset)) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset))), 35654#(and (= main_~data~0.offset 0) (or (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 35655#(and (= main_~data~0.offset 0) (= main_~data~0.offset |main_#t~mem11.offset|) (or (= main_~data~0.base |main_#t~mem11.base|) (and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)))), 35656#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 35657#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4))) (= |main_#t~mem13.offset| 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 35658#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset |main_#t~mem14.offset|) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 35659#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset main_~item2~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 35660#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= main_~data~0.offset main_~item2~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 35661#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.offset main_~item2~0.offset)), 35662#(and (not (= 0 |main_#t~mem17.base|)) (= main_~data~0.base |main_#t~mem17.base|) (= main_~data~0.offset 0) (= main_~data~0.offset main_~item2~0.offset)), 35663#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset main_~item2~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 35664#(and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (= main_~data~0.offset main_~item2~0.offset) (= main_~dst~0.base main_~data~0.base) (= (+ main_~data~0.offset 4) main_~dst~0.offset)), 35665#(and (= main_~data~0.offset 0) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (not (= 0 main_~item~0.base))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (= main_~data~0.offset main_~item2~0.offset) (or (and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base)))) (not (= main_~dst~0.base main_~item2~0.base))) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (= main_~dst~0.base main_~data~0.base)), 35666#(and (= main_~data~0.offset 0) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (not (= 0 main_~item~0.base))) (or (not (= main_~item~0.offset 0)) (not (= main_~dst~0.base main_~item2~0.base)) (not (= 0 main_~item~0.base))) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (not (= main_~dst~0.base main_~item2~0.base))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)) (= main_~data~0.offset main_~item2~0.offset) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (= main_~dst~0.base main_~data~0.base)), 35667#(and (= main_~item2~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (or (not (= 0 main_~item~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (= main_~dst~0.base main_~data~0.base) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~item2~0.base) main_~item2~0.offset))) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base)))) (not (= main_~dst~0.base main_~item2~0.base)))), 35668#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (or (not (= 0 main_~item~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (= main_~dst~0.base main_~data~0.base) (or (and (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (not (= 0 |main_#t~mem23.base|))) (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))))), 35669#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (or (not (= 0 main_~item~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (or (and (not (= 0 main_~item2~0.base)) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base)))) (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))) (= main_~dst~0.base main_~data~0.base) (= (+ main_~data~0.offset 4) main_~dst~0.offset)), 35670#(and (= |main_#t~mem24.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= 0 main_~item~0.base))) (= main_~data~0.offset 0) (= |main_#t~mem24.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ 0 4))) (= main_~data~0.offset |main_#t~mem24.offset|) (<= 8 (select |#length| |main_#t~mem24.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (or (and (not (= 0 main_~item2~0.base)) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base)))) (not (= main_~data~0.base |main_#t~mem24.base|)))), 35671#(and (= main_~data~0.offset 0) (or (and (not (= 0 main_~item2~0.base)) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base)))) (and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) (+ 0 4))) (< 7 (select |#length| main_~dst~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~data~0.base) (+ 0 4))))) (= main_~data~0.offset main_~dst~0.offset)), 35672#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) (+ 0 4))) (= main_~data~0.offset main_~dst~0.offset) (< 7 (select |#length| main_~dst~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~data~0.base) (+ 0 4)))), 35673#(and (= main_~data~0.offset 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ 0 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 35674#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) (+ 0 4)))), 35675#(or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))) (<= (+ main_~data~0.offset 1) 0) (<= 1 main_~data~0.offset)), 35676#(or (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))) (<= 1 main_~data~0.offset)), 35677#(or (and (= 0 |main_#t~mem28.offset|) (<= 8 (select |#length| |main_#t~mem28.base|))) (<= 1 main_~data~0.offset)), 35678#(or (and (<= 8 (select |#length| main_~item~0.base)) (= main_~item~0.offset 0)) (<= 1 main_~data~0.offset)), 35679#(and (<= 8 (select |#length| main_~item~0.base)) (= main_~item~0.offset 0)), 35637#true, 35638#false, 35639#(= 0 |main_#t~malloc1.offset|), 35640#(= main_~item~0.offset 0), 35641#(and (= |main_#t~malloc5.offset| 0) (not (= 0 |main_#t~malloc5.base|)) (= main_~item~0.offset 0)), 35642#(and (not (= 0 main_~lItem~0.base)) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 35643#(and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= main_~item~0.offset 0)), 35644#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (= main_~item~0.offset 0) (= main_~data~0.base main_~lItem~0.base)), 35645#(and (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 35646#(and (= main_~data~0.offset |main_#t~malloc1.offset|) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 35647#(and (= 0 main_~data~0.offset) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset main_~item~0.offset))] [2018-02-04 02:15:28,131 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:28,131 INFO L409 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-02-04 02:15:28,131 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-02-04 02:15:28,131 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1684, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 02:15:28,131 INFO L87 Difference]: Start difference. First operand 303 states and 348 transitions. Second operand 43 states. [2018-02-04 02:15:31,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:15:31,105 INFO L93 Difference]: Finished difference Result 324 states and 367 transitions. [2018-02-04 02:15:31,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-02-04 02:15:31,105 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 88 [2018-02-04 02:15:31,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:15:31,106 INFO L225 Difference]: With dead ends: 324 [2018-02-04 02:15:31,106 INFO L226 Difference]: Without dead ends: 324 [2018-02-04 02:15:31,107 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2343 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=903, Invalid=8027, Unknown=0, NotChecked=0, Total=8930 [2018-02-04 02:15:31,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2018-02-04 02:15:31,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 303. [2018-02-04 02:15:31,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-02-04 02:15:31,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 347 transitions. [2018-02-04 02:15:31,109 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 347 transitions. Word has length 88 [2018-02-04 02:15:31,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:15:31,109 INFO L432 AbstractCegarLoop]: Abstraction has 303 states and 347 transitions. [2018-02-04 02:15:31,109 INFO L433 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-02-04 02:15:31,109 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 347 transitions. [2018-02-04 02:15:31,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-02-04 02:15:31,109 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:15:31,109 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:15:31,109 INFO L371 AbstractCegarLoop]: === Iteration 61 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:15:31,110 INFO L82 PathProgramCache]: Analyzing trace with hash 777216190, now seen corresponding path program 1 times [2018-02-04 02:15:31,110 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:15:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:15:31,131 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:15:32,752 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:32,753 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:15:32,753 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-02-04 02:15:32,753 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:15:32,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:32,753 INFO L182 omatonBuilderFactory]: Interpolants [36416#(= 0 (select |#valid| 0)), 36417#(and (= 0 (select |#valid| 0)) (= 0 |main_#t~malloc1.offset|)), 36418#(and (= 0 (select |#valid| 0)) (= main_~item~0.offset 0)), 36419#(and (= 0 (select |#valid| 0)) (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.offset 0)), 36420#(and (= |main_#t~malloc5.offset| 0) (= 0 (select |#valid| 0)) (not (= 0 |main_#t~malloc5.base|)) (= main_~item~0.offset 0) (not (= |main_#t~malloc5.base| main_~item~0.base))), 36421#(and (not (= 0 main_~lItem~0.base)) (= 0 (select |#valid| 0)) (= 0 main_~lItem~0.offset) (not (= main_~lItem~0.base main_~item~0.base)) (= main_~item~0.offset 0)), 36422#(and (= 1 (select |#valid| main_~lItem~0.base)) (= 0 (select |#valid| 0)) (= 0 main_~lItem~0.offset) (= (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset) main_~lItem~0.base) (not (= main_~lItem~0.base main_~item~0.base)) (= main_~item~0.offset 0)), 36423#(and (= 1 (select |#valid| main_~lItem~0.base)) (not (= main_~data~0.base main_~item~0.base)) (= 0 (select |#valid| 0)) (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset) (= main_~item~0.offset 0) (= (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset) main_~data~0.base) (= main_~data~0.base main_~lItem~0.base)), 36424#(and (= 1 (select |#valid| main_~data~0.base)) (= 0 (select |#valid| 0)) (= 0 main_~data~0.offset) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 36425#(and (not (= |main_#t~malloc1.base| main_~data~0.base)) (= 0 (select |#valid| 0)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 36426#(and (not (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 (select |#valid| 0)) (not (= main_~item~0.base main_~data~0.base)) (= 0 main_~data~0.offset) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 36427#(and (= 0 (select |#valid| 0)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 36428#(and (= 0 (select |#valid| 0)) (= 0 main_~data~0.offset) (not (= 0 |main_#t~malloc5.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base) (= main_~data~0.offset |main_#t~malloc5.offset|) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 36429#(and (or (and (not (= 0 main_~lItem~0.base)) (= 0 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset)), 36430#(and (or (= main_~lItem~0.base main_~data~0.base) (and (not (= 0 main_~lItem~0.base)) (not (= 0 |main_#t~mem7.base|)) (= 0 (select |#valid| 0)) (= main_~data~0.base |main_#t~mem7.base|) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))))) (= main_~data~0.offset 0) (= main_~lItem~0.offset 0)), 36431#(and (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (or (and (not (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base) (+ main_~data~0.offset 4)))) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (not (= 0 main_~lItem~0.base)) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base main_~data~0.base))), 36432#(and (= main_~data~0.offset 0) (or (= main_~lItem~0.base main_~data~0.base) (and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= 0 (select |#valid| 0)) (not (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4)))))) (= main_~lItem~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset))), 36433#(and (= main_~data~0.offset 0) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 36434#(and (= main_~data~0.offset 0) (= main_~data~0.offset |main_#t~mem11.offset|) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))) (= main_~data~0.base |main_#t~mem11.base|))), 36435#(and (= main_~data~0.offset 0) (= 0 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 36436#(and (= main_~data~0.offset 0) (= 0 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= main_~data~0.base |main_#t~mem12.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 36437#(and (= main_~data~0.offset 0) (not (= main_~data~0.base main_~item~0.base)) (= 0 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 36438#(and (= main_~data~0.offset 0) (not (= main_~data~0.base main_~item~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= 0 (select |#valid| 0)) (not (= 0 |main_#t~mem15.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 36439#(and (= main_~data~0.offset 0) (not (= 0 main_~lItem~0.base)) (not (= main_~data~0.base main_~item~0.base)) (= 0 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset) main_~data~0.base)), 36440#(and (not (= 0 |main_#t~mem17.base|)) (= main_~data~0.offset 0) (= |main_#t~mem17.base| main_~data~0.base) (not (= 0 main_~lItem~0.base)) (not (= main_~data~0.base main_~item~0.base)) (= 0 (select |#valid| 0))), 36441#(and (= main_~data~0.offset 0) (or (not (= main_~data~0.offset main_~item~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (not (= 0 main_~lItem~0.base)) (not (= main_~data~0.base main_~item~0.base)) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base)), 36442#(and (= main_~data~0.offset 0) (or (not (= main_~data~0.offset main_~item~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (not (= main_~data~0.base main_~item~0.base)) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base)), 36443#(and (= main_~data~0.offset 0) (= main_~dst~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= 0 (select |#valid| 0)) (not (= main_~dst~0.base main_~item~0.base)) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base)), 36444#(and (= main_~data~0.offset 0) (= main_~dst~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= 0 (select |#valid| 0)) (not (= main_~dst~0.base main_~item~0.base)) (= (select |#valid| main_~item~0.base) 1) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base)), 36445#(and (= main_~data~0.offset 0) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)) (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= 0 (select |#valid| 0)) (= (select |#valid| main_~item~0.base) 1) (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base)), 36446#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= main_~data~0.offset 0) (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= 0 (select |#valid| 0)) (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base)), 36447#(and (= |main_#t~mem24.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) (= main_~data~0.offset 0) (= 0 (select |#valid| 0)) (not (= main_~data~0.base |main_#t~mem24.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))))), 36448#(and (= main_~data~0.offset 0) (or (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset) (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4)))) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))) (and (= main_~data~0.offset main_~dst~0.offset) (not (= 0 main_~item~0.base))))), 36449#(and (= main_~data~0.offset 0) (or (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset) (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4)))) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base)))), 36450#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset) (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4)))) (= main_~data~0.offset 0) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))), 36451#(and (= main_~data~0.offset 0) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))))), 36452#(and (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4)))) (not (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))))), 36453#(or (and (not (= main_~data~0.base 0)) (= 1 (select (store |#valid| main_~data~0.base 0) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))) (not (= 1 (select |#valid| main_~data~0.base))) (<= (+ main_~data~0.offset 1) 0) (<= 1 main_~data~0.offset)), 36454#(and (or (and (not (= main_~data~0.base 0)) (= 1 (select (store |#valid| main_~data~0.base 0) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))) (<= 1 main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 36455#(and (= (select |#valid| main_~data~0.base) 1) (or (<= 1 main_~data~0.offset) (and (not (= main_~data~0.base 0)) (= 1 (select (store |#valid| main_~data~0.base 0) |main_#t~mem28.base|))))), 36456#(and (or (and (= 1 (select (store |#valid| main_~data~0.base 0) main_~item~0.base)) (not (= main_~data~0.base 0))) (<= 1 main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 36457#(= 1 (select |#valid| main_~item~0.base)), 36414#true, 36415#false] [2018-02-04 02:15:32,754 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:32,754 INFO L409 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-02-04 02:15:32,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-02-04 02:15:32,754 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1737, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 02:15:32,754 INFO L87 Difference]: Start difference. First operand 303 states and 347 transitions. Second operand 44 states. [2018-02-04 02:15:37,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:15:37,173 INFO L93 Difference]: Finished difference Result 342 states and 383 transitions. [2018-02-04 02:15:37,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-02-04 02:15:37,173 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 89 [2018-02-04 02:15:37,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:15:37,174 INFO L225 Difference]: With dead ends: 342 [2018-02-04 02:15:37,174 INFO L226 Difference]: Without dead ends: 342 [2018-02-04 02:15:37,174 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2816 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=1316, Invalid=9396, Unknown=0, NotChecked=0, Total=10712 [2018-02-04 02:15:37,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2018-02-04 02:15:37,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 306. [2018-02-04 02:15:37,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2018-02-04 02:15:37,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 350 transitions. [2018-02-04 02:15:37,176 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 350 transitions. Word has length 89 [2018-02-04 02:15:37,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:15:37,176 INFO L432 AbstractCegarLoop]: Abstraction has 306 states and 350 transitions. [2018-02-04 02:15:37,176 INFO L433 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-02-04 02:15:37,176 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 350 transitions. [2018-02-04 02:15:37,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-02-04 02:15:37,177 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:15:37,177 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:15:37,177 INFO L371 AbstractCegarLoop]: === Iteration 62 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:15:37,177 INFO L82 PathProgramCache]: Analyzing trace with hash 777216191, now seen corresponding path program 1 times [2018-02-04 02:15:37,177 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:15:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:15:37,190 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:15:39,127 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:39,127 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:15:39,127 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-02-04 02:15:39,127 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:15:39,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:39,128 INFO L182 omatonBuilderFactory]: Interpolants [37248#(and (= 8 (select |#length| main_~data~0.base)) (not (= 0 |main_#t~mem17.base|)) (= main_~data~0.base |main_#t~mem17.base|) (= main_~data~0.offset 0)), 37249#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (or (not (= main_~data~0.offset main_~item~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 37250#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item~0.offset)) (not (= main_~dst~0.base main_~item~0.base))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base)), 37251#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item~0.offset)) (not (= main_~dst~0.base main_~item~0.base))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= main_~dst~0.offset 4) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base)), 37252#(and (= 8 (select |#length| main_~data~0.base)) (or (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset))) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)) (= main_~dst~0.offset 4) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base) (or (not (= main_~dst~0.base main_~item~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (and (not (= main_~data~0.offset main_~item~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset))))), 37253#(and (= 8 (select |#length| main_~data~0.base)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (or (and (or (not (= 0 |main_#t~mem21.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset))) (<= 9 (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base) (<= 0 (select (select |#memory_$Pointer$.offset| main_~dst~0.base) (+ 0 4)))), 37254#(and (= 8 (select |#length| main_~data~0.base)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~dst~0.offset 4) (or (and (or (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base)) (not (= 0 main_~item~0.base))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset))) (<= 9 (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))) (= main_~dst~0.base main_~data~0.base) (<= 0 (select (select |#memory_$Pointer$.offset| main_~dst~0.base) (+ 0 4)))), 37255#(and (= 8 (select |#length| main_~data~0.base)) (or (= main_~data~0.offset |main_#t~mem24.offset|) (<= 9 (select |#length| |main_#t~mem24.base|))) (= |main_#t~mem24.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) (= main_~data~0.offset 0) (= |main_#t~mem24.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ 0 4))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ 0 4))) (<= 8 (select |#length| |main_#t~mem24.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (or (not (= |main_#t~mem24.base| main_~data~0.base)) (not (= 0 main_~item~0.base)))), 37256#(and (= main_~data~0.offset 0) (or (and (= (select |#length| main_~dst~0.base) 8) (= main_~data~0.offset main_~dst~0.offset) (not (= 0 main_~item~0.base))) (and (or (= main_~data~0.offset main_~dst~0.offset) (and (<= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4))) (<= 9 (select |#length| main_~dst~0.base)) (<= (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4)) main_~dst~0.offset))) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4))) (< 7 (select |#length| main_~dst~0.base)) (or (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4))) (not (= main_~data~0.offset main_~dst~0.offset)) (not (= 0 main_~item~0.base))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))))), 37257#(and (= main_~data~0.offset 0) (or (and (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (= (select |#length| main_~dst~0.base) 8) (= main_~data~0.offset main_~dst~0.offset)) (and (or (= main_~data~0.offset main_~dst~0.offset) (and (<= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4))) (<= 9 (select |#length| main_~dst~0.base)) (<= (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4)) main_~dst~0.offset))) (or (not (= main_~item~0.offset 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4))) (not (= main_~data~0.offset main_~dst~0.offset)) (not (= 0 main_~item~0.base))) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4))) (< 7 (select |#length| main_~dst~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))))), 37258#(and (= main_~data~0.offset 0) (or (= main_~data~0.offset main_~dst~0.offset) (and (<= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4))) (<= 9 (select |#length| main_~dst~0.base)) (<= (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4)) main_~dst~0.offset))) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4))) (< 7 (select |#length| main_~dst~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset)) (or (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4))) (not (= main_~data~0.offset main_~dst~0.offset)))), 37259#(and (= main_~data~0.offset 0) (<= (+ (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ 0 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ 0 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 37260#(and (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) (+ 0 4))) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) (+ 0 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))))), 37261#(or (<= (+ main_~data~0.offset 1) 0) (<= 1 main_~data~0.offset) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (<= (+ (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))))), 37262#(or (<= 1 main_~data~0.offset) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (<= (+ (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))))), 37263#(or (and (<= 8 (select |#length| |main_#t~mem28.base|)) (<= 0 |main_#t~mem28.offset|) (<= (+ |main_#t~mem28.offset| 4) (select |#length| |main_#t~mem28.base|))) (<= 1 main_~data~0.offset)), 37264#(or (<= 1 main_~data~0.offset) (and (<= 0 main_~item~0.offset) (<= (+ main_~item~0.offset 4) (select |#length| main_~item~0.base)) (or (not (= main_~item~0.offset 0)) (<= 8 (select |#length| main_~item~0.base))))), 37265#(and (<= 0 main_~item~0.offset) (<= (+ main_~item~0.offset 4) (select |#length| main_~item~0.base)) (or (not (= main_~item~0.offset 0)) (<= 8 (select |#length| main_~item~0.base)))), 37226#true, 37227#false, 37228#(= 0 |main_#t~malloc1.offset|), 37229#(= main_~item~0.offset 0), 37230#(and (= 8 (select |#length| |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (not (= 0 |main_#t~malloc5.base|)) (= main_~item~0.offset 0)), 37231#(and (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 37232#(and (= 8 (select |#length| main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= main_~item~0.offset 0)), 37233#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base) (= main_~item~0.offset 0)), 37234#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 37235#(and (= 8 (select |#length| main_~data~0.base)) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 37236#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 37237#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 37238#(and (= 0 main_~data~0.offset) (or (= main_~data~0.base |main_#t~malloc5.base|) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset |main_#t~malloc5.offset|)), 37239#(and (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base))), 37240#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 |main_#t~mem7.base|)) (= main_~data~0.base |main_#t~mem7.base|)) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 37241#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 37242#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (= main_~lItem~0.offset main_~data~0.offset) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset)), 37243#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 37244#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)) (= main_~data~0.base |main_#t~mem11.base|)) (= main_~data~0.offset |main_#t~mem11.offset|)), 37245#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 37246#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 37247#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset))))] [2018-02-04 02:15:39,128 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:39,128 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-02-04 02:15:39,128 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-02-04 02:15:39,128 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1451, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 02:15:39,128 INFO L87 Difference]: Start difference. First operand 306 states and 350 transitions. Second operand 40 states. [2018-02-04 02:15:42,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:15:42,531 INFO L93 Difference]: Finished difference Result 322 states and 365 transitions. [2018-02-04 02:15:42,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-02-04 02:15:42,531 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 89 [2018-02-04 02:15:42,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:15:42,532 INFO L225 Difference]: With dead ends: 322 [2018-02-04 02:15:42,532 INFO L226 Difference]: Without dead ends: 322 [2018-02-04 02:15:42,532 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1601 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=758, Invalid=6382, Unknown=0, NotChecked=0, Total=7140 [2018-02-04 02:15:42,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2018-02-04 02:15:42,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 305. [2018-02-04 02:15:42,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-02-04 02:15:42,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 348 transitions. [2018-02-04 02:15:42,534 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 348 transitions. Word has length 89 [2018-02-04 02:15:42,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:15:42,534 INFO L432 AbstractCegarLoop]: Abstraction has 305 states and 348 transitions. [2018-02-04 02:15:42,534 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-02-04 02:15:42,534 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 348 transitions. [2018-02-04 02:15:42,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-02-04 02:15:42,534 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:15:42,534 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:15:42,534 INFO L371 AbstractCegarLoop]: === Iteration 63 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:15:42,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1141544394, now seen corresponding path program 1 times [2018-02-04 02:15:42,535 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:15:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:15:42,547 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:15:44,123 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:44,123 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:15:44,124 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-02-04 02:15:44,124 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:15:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:44,124 INFO L182 omatonBuilderFactory]: Interpolants [38016#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) (+ 0 4)) 0)) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~item2~0.base) main_~item2~0.offset))) (and (or (not (= main_~item2~0.base main_~dst~0.base)) (and (= 8 (select |#length| main_~data~0.base)) (not (= main_~item2~0.offset 0)) (<= main_~item2~0.offset 0))) (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~item2~0.base))) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~dst~0.base main_~data~0.base)), 38017#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (or (not (= 0 |main_#t~mem23.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base))) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) (+ 0 4)) 0)) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~dst~0.base main_~data~0.base)), 38018#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) (+ 0 4)) 0)) (not (= main_~data~0.offset main_~dst~0.offset)) (or (not (= 0 main_~item2~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base))) (= main_~dst~0.base main_~data~0.base)), 38019#(and (= main_~data~0.offset 0) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4)) 0)) (or (not (= 0 main_~item2~0.base)) (not (= |main_#t~mem24.base| main_~data~0.base))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 38020#(and (or (and (not (= 0 main_~item2~0.base)) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base)))) (and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) (+ 0 4)) 0)))) (= main_~data~0.offset 0)), 38021#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) (+ 0 4)) 0))), 38022#(and (= main_~data~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)) 0))), 38023#(not (= (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4)) 0)), 38024#(or (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) 0)) (<= (+ main_~data~0.offset 1) 0) (<= 1 main_~data~0.offset)), 38025#(or (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) 0)) (<= 1 main_~data~0.offset)), 38026#(or (not (= |main_#t~mem28.base| 0)) (<= 1 main_~data~0.offset)), 38027#(or (not (= main_~item~0.base 0)) (<= 1 main_~data~0.offset)), 38028#(not (= main_~item~0.base 0)), 37986#true, 37987#false, 37988#(= 0 (select |#valid| 0)), 37989#(and (= 0 (select |#valid| 0)) (= 0 |main_#t~malloc1.offset|)), 37990#(and (= 0 (select |#valid| 0)) (= main_~item~0.offset 0)), 37991#(and (= 8 (select |#length| |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= 0 (select |#valid| 0)) (not (= 0 |main_#t~malloc5.base|)) (= main_~item~0.offset 0)), 37992#(and (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (= 0 (select |#valid| 0)) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 37993#(and (= 8 (select |#length| main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (= 0 (select |#valid| 0)) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 37994#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= 8 (select |#length| main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (= 0 (select |#valid| 0)) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (= main_~item~0.offset 0) (= main_~data~0.base main_~lItem~0.base)), 37995#(and (= 8 (select |#length| main_~data~0.base)) (= 0 (select |#valid| 0)) (= 0 main_~data~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 37996#(and (= 8 (select |#length| main_~data~0.base)) (= 0 (select |#valid| 0)) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 37997#(and (= 8 (select |#length| main_~data~0.base)) (= 0 (select |#valid| 0)) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 37998#(and (= 8 (select |#length| main_~data~0.base)) (= 0 (select |#valid| 0)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 37999#(and (or (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base |main_#t~malloc5.base|)) (= 0 (select |#valid| 0)) (= 0 main_~data~0.offset) (not (= 0 |main_#t~malloc5.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 38000#(and (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 main_~lItem~0.base)) (= 0 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset)), 38001#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 main_~lItem~0.base)) (not (= 0 |main_#t~mem7.base|)) (= 0 (select |#valid| 0)) (= main_~data~0.base |main_#t~mem7.base|)) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 38002#(and (= main_~data~0.offset 0) (or (= main_~lItem~0.base main_~data~0.base) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (not (= 0 main_~lItem~0.base)) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)))) (= main_~data~0.offset main_~lItem~0.offset)), 38003#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.offset main_~data~0.offset) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= 0 (select |#valid| 0))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset)), 38004#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 38005#(and (or (= main_~data~0.base |main_#t~mem11.base|) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|))) (= main_~data~0.offset 0) (= main_~data~0.offset |main_#t~mem11.offset|)), 38006#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= 0 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 38007#(and (= main_~data~0.offset 0) (or (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.offset 0)) (= 0 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 38008#(and (= main_~data~0.offset 0) (or (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.offset 0)) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= 0 (select |#valid| 0)) (not (= 0 |main_#t~mem15.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 38009#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset 0) (or (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.offset 0)) (not (= 0 main_~lItem~0.base)) (= 0 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)))), 38010#(and (= main_~data~0.base |main_#t~mem17.base|) (not (= 0 |main_#t~mem17.base|)) (= main_~data~0.offset 0) (or (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.offset 0)) (not (= 0 main_~lItem~0.base)) (= 0 (select |#valid| 0))), 38011#(and (= main_~data~0.offset 0) (or (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.offset 0)) (or (not (= main_~data~0.offset main_~item2~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (not (= 0 main_~lItem~0.base)) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 38012#(and (= main_~data~0.offset 0) (or (not (= main_~item2~0.base 0)) (= 0 (select |#valid| main_~item2~0.base))) (or (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.offset 0)) (or (not (= main_~data~0.offset main_~item2~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 38013#(and (or (not (= main_~item2~0.base main_~dst~0.base)) (and (or (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.offset 0)) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item2~0.offset))))) (= main_~data~0.offset 0) (or (not (= main_~item2~0.base 0)) (= 0 (select |#valid| main_~item2~0.base))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base)), 38014#(and (= main_~data~0.offset 0) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (not (= main_~data~0.offset main_~dst~0.offset)) (or (= 0 (select |#valid| main_~item2~0.base)) (and (not (= main_~item2~0.base 0)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (= main_~dst~0.offset 4))) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= main_~item2~0.offset 0))) (not (= main_~item2~0.base main_~dst~0.base)) (and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (= main_~data~0.offset main_~item2~0.offset))) (= main_~dst~0.base main_~data~0.base)), 38015#(and (not (= main_~item2~0.base 0)) (or (not (= main_~item2~0.base main_~dst~0.base)) (= main_~data~0.offset main_~item2~0.offset) (and (= 8 (select |#length| main_~data~0.base)) (<= main_~item2~0.offset 0))) (= main_~data~0.offset 0) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base))] [2018-02-04 02:15:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:44,124 INFO L409 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-02-04 02:15:44,125 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-02-04 02:15:44,125 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1663, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 02:15:44,125 INFO L87 Difference]: Start difference. First operand 305 states and 348 transitions. Second operand 43 states. [2018-02-04 02:15:48,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:15:48,383 INFO L93 Difference]: Finished difference Result 329 states and 369 transitions. [2018-02-04 02:15:48,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-02-04 02:15:48,383 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 89 [2018-02-04 02:15:48,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:15:48,384 INFO L225 Difference]: With dead ends: 329 [2018-02-04 02:15:48,384 INFO L226 Difference]: Without dead ends: 329 [2018-02-04 02:15:48,385 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2410 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=1306, Invalid=8006, Unknown=0, NotChecked=0, Total=9312 [2018-02-04 02:15:48,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-02-04 02:15:48,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 294. [2018-02-04 02:15:48,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-02-04 02:15:48,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 336 transitions. [2018-02-04 02:15:48,387 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 336 transitions. Word has length 89 [2018-02-04 02:15:48,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:15:48,387 INFO L432 AbstractCegarLoop]: Abstraction has 294 states and 336 transitions. [2018-02-04 02:15:48,387 INFO L433 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-02-04 02:15:48,387 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 336 transitions. [2018-02-04 02:15:48,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 02:15:48,387 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:15:48,387 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:15:48,387 INFO L371 AbstractCegarLoop]: === Iteration 64 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:15:48,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1028187731, now seen corresponding path program 1 times [2018-02-04 02:15:48,388 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:15:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:15:48,402 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:15:50,001 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:50,001 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:15:50,001 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-02-04 02:15:50,001 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:15:50,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:50,002 INFO L182 omatonBuilderFactory]: Interpolants [38784#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.offset main_~item2~0.offset)), 38785#(and (not (= 0 |main_#t~mem17.base|)) (= main_~data~0.base |main_#t~mem17.base|) (= main_~data~0.offset 0) (= main_~data~0.offset main_~item2~0.offset)), 38786#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset main_~item2~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 38787#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (not (= main_~item2~0.base main_~dst~0.base))) (= main_~dst~0.offset 4) (= main_~data~0.offset main_~item2~0.offset) (= main_~dst~0.base main_~data~0.base)), 38788#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (or (not (= main_~item2~0.base main_~dst~0.base)) (and (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (= 0 main_~item~0.base)))) (= main_~dst~0.offset 4) (= main_~data~0.offset main_~item2~0.offset) (= main_~dst~0.base main_~data~0.base)), 38789#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (or (= main_~item2~0.base main_~dst~0.base) (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~item2~0.base)) (or (not (= main_~item2~0.base main_~dst~0.base)) (and (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (or (not (= 0 main_~item~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~item2~0.base) main_~item2~0.offset))) (= 0 main_~item~0.base)))) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base)), 38790#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (= main_~dst~0.offset 4) (or (and (or (not (= 0 |main_#t~mem23.base|)) (= 0 main_~item~0.base)) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base)))) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base))) (= main_~dst~0.base main_~data~0.base)), 38791#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (or (and (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (or (not (= 0 main_~item2~0.base)) (= 0 main_~item~0.base))) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base))) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base)), 38792#(and (= main_~data~0.offset 0) (= main_~data~0.offset |main_#t~mem24.offset|) (or (not (= |main_#t~mem24.base| main_~data~0.base)) (and (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (or (not (= 0 main_~item2~0.base)) (= 0 main_~item~0.base)))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ 0 4)) |main_#t~mem24.offset|) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 38793#(and (= main_~data~0.offset 0) (= main_~data~0.offset main_~dst~0.offset) (or (and (= main_~data~0.base main_~dst~0.base) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (or (not (= 0 main_~item2~0.base)) (= 0 main_~item~0.base))) (and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~data~0.base) (+ 0 4)))))), 38794#(and (= main_~data~0.offset 0) (= main_~data~0.offset main_~dst~0.offset) (or (and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~data~0.base) (+ 0 4)))) (and (= main_~data~0.base main_~dst~0.base) (not (= main_~item~0.offset 0)) (= 0 main_~item~0.base)))), 38795#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ 0 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (and (not (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset 0)), 38796#(or (and (= 0 |main_#t~mem27.base|) (not (= |main_#t~mem27.offset| 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) (+ 0 4)))), 38797#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (<= (+ main_~data~0.offset 1) 0) (<= 1 main_~data~0.offset)), 38798#(or (not (= main_~data~0.offset 0)) (and (= |main_#t~mem28.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))))), 38799#(or (not (= main_~data~0.offset 0)) (and (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))))), 38800#(= 0 main_~item2~0.offset), 38760#true, 38761#false, 38762#(= 0 |main_#t~malloc1.offset|), 38763#(= main_~item~0.offset 0), 38764#(and (= |main_#t~malloc5.offset| 0) (not (= 0 |main_#t~malloc5.base|)) (= main_~item~0.offset 0)), 38765#(and (not (= 0 main_~lItem~0.base)) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 38766#(and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= main_~item~0.offset 0)), 38767#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (= main_~item~0.offset 0) (= main_~data~0.base main_~lItem~0.base)), 38768#(and (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 38769#(and (= main_~data~0.offset |main_#t~malloc1.offset|) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 38770#(and (= 0 main_~data~0.offset) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset main_~item~0.offset)), 38771#(and (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset main_~item~0.offset)), 38772#(and (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|) (= main_~data~0.offset main_~item~0.offset)), 38773#(and (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset main_~item~0.offset)) (= main_~lItem~0.base main_~data~0.base))), 38774#(and (= main_~data~0.offset 0) (or (= main_~lItem~0.base main_~data~0.base) (and (not (= 0 |main_#t~mem7.base|)) (= main_~data~0.base |main_#t~mem7.base|) (= main_~data~0.offset main_~item~0.offset))) (= main_~lItem~0.offset 0)), 38775#(and (= main_~data~0.offset 0) (or (and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset main_~item~0.offset)) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0)), 38776#(and (= main_~data~0.offset 0) (or (and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset main_~item~0.offset)) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset))), 38777#(and (= main_~data~0.offset 0) (or (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 38778#(and (= main_~data~0.offset 0) (or (= main_~data~0.base |main_#t~mem11.base|) (and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)))) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 38779#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 38780#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4))) (= |main_#t~mem13.offset| 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 38781#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset |main_#t~mem14.offset|) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 38782#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset main_~item2~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 38783#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= main_~data~0.offset main_~item2~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))] [2018-02-04 02:15:50,002 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:50,002 INFO L409 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-02-04 02:15:50,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-02-04 02:15:50,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1523, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 02:15:50,003 INFO L87 Difference]: Start difference. First operand 294 states and 336 transitions. Second operand 41 states. [2018-02-04 02:15:52,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:15:52,999 INFO L93 Difference]: Finished difference Result 356 states and 399 transitions. [2018-02-04 02:15:52,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-02-04 02:15:52,999 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 90 [2018-02-04 02:15:52,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:15:53,000 INFO L225 Difference]: With dead ends: 356 [2018-02-04 02:15:53,000 INFO L226 Difference]: Without dead ends: 356 [2018-02-04 02:15:53,001 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 5 SyntacticMatches, 5 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2191 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=792, Invalid=7764, Unknown=0, NotChecked=0, Total=8556 [2018-02-04 02:15:53,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-02-04 02:15:53,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 308. [2018-02-04 02:15:53,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-02-04 02:15:53,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 350 transitions. [2018-02-04 02:15:53,004 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 350 transitions. Word has length 90 [2018-02-04 02:15:53,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:15:53,004 INFO L432 AbstractCegarLoop]: Abstraction has 308 states and 350 transitions. [2018-02-04 02:15:53,004 INFO L433 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-02-04 02:15:53,004 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 350 transitions. [2018-02-04 02:15:53,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-02-04 02:15:53,005 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:15:53,005 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:15:53,005 INFO L371 AbstractCegarLoop]: === Iteration 65 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:15:53,005 INFO L82 PathProgramCache]: Analyzing trace with hash -419545793, now seen corresponding path program 1 times [2018-02-04 02:15:53,005 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:15:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:15:53,018 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:15:54,351 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:54,351 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:15:54,351 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-02-04 02:15:54,352 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:15:54,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:54,352 INFO L182 omatonBuilderFactory]: Interpolants [39572#true, 39573#false, 39574#(= 0 |main_#t~malloc1.offset|), 39575#(= 0 main_~item~0.offset), 39576#(and (= |main_#t~malloc5.offset| 0) (not (= 0 |main_#t~malloc5.base|)) (= main_~item~0.offset 0)), 39577#(and (not (= 0 main_~lItem~0.base)) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 39578#(and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= main_~item~0.offset 0)), 39579#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (= main_~item~0.offset 0) (= main_~data~0.base main_~lItem~0.base)), 39580#(and (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 39581#(and (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 39582#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 39583#(and (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 39584#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 39585#(and (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (or (= main_~lItem~0.base main_~data~0.base) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))))), 39586#(and (= main_~data~0.offset 0) (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset |main_#t~mem7.offset|)) main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 |main_#t~mem7.base|)) (= main_~data~0.base |main_#t~mem7.base|)) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 39587#(and (= main_~data~0.offset 0) (or (and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset) (+ main_~data~0.offset 4))) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 39588#(and (= main_~data~0.offset 0) (or (and (= main_~lItem~0.offset main_~data~0.offset) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) (+ main_~data~0.offset 4))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset)), 39589#(and (= main_~data~0.offset 0) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 39590#(and (= main_~data~0.offset 0) (= main_~data~0.offset |main_#t~mem11.offset|) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)) (= main_~data~0.base |main_#t~mem11.base|))), 39591#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 39592#(and (= main_~data~0.offset 0) (= 0 |main_#t~mem12.offset|) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 39593#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~item~0.offset 0)), 39594#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= main_~item~0.offset 0)), 39595#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset))) (= main_~item~0.offset 0)), 39596#(and (not (= 0 |main_#t~mem17.base|)) (= main_~data~0.base |main_#t~mem17.base|) (= main_~data~0.offset 0) (= main_~item~0.offset 0)), 39597#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~item~0.offset 0)), 39598#(and (= main_~data~0.offset 0) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (not (= main_~dst~0.base main_~item~0.base))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (= main_~dst~0.base main_~data~0.base) (= main_~item~0.offset 0)), 39599#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (or (and (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~item~0.base) (not (= main_~dst~0.base main_~item~0.base))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~dst~0.base) (+ 0 4))) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (= main_~dst~0.base main_~data~0.base)), 39600#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (or (not (= 0 |main_#t~mem21.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base))) (= 0 (select (select |#memory_$Pointer$.offset| main_~dst~0.base) (+ 0 4))) (= main_~dst~0.base main_~data~0.base) (= (+ main_~data~0.offset 4) main_~dst~0.offset)), 39601#(and (or (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base)) (not (= 0 main_~item~0.base))) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~dst~0.base) (+ 0 4))) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (= main_~dst~0.base main_~data~0.base)), 39602#(and (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ 0 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (or (not (= |main_#t~mem24.base| main_~data~0.base)) (not (= 0 main_~item~0.base)))), 39603#(and (= main_~data~0.offset 0) (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= 0 main_~item~0.base)))), 39604#(and (= main_~data~0.offset 0) (or (not (= main_~item~0.offset 0)) (and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= 0 main_~item~0.base)))), 39605#(and (= main_~data~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))), 39606#(and (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ 0 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 39607#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) (+ 0 4))), 39608#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (<= (+ main_~data~0.offset 1) 0) (<= 1 main_~data~0.offset)), 39609#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (<= 1 main_~data~0.offset)), 39610#(or (and (= |main_#t~mem28.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))) (<= 1 main_~data~0.offset)), 39611#(or (<= 1 main_~data~0.offset) (and (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))))), 39612#(= 0 main_~item2~0.offset)] [2018-02-04 02:15:54,352 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:54,352 INFO L409 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-02-04 02:15:54,352 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-02-04 02:15:54,352 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1499, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 02:15:54,353 INFO L87 Difference]: Start difference. First operand 308 states and 350 transitions. Second operand 41 states. [2018-02-04 02:15:57,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:15:57,858 INFO L93 Difference]: Finished difference Result 358 states and 401 transitions. [2018-02-04 02:15:57,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-02-04 02:15:57,858 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 91 [2018-02-04 02:15:57,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:15:57,859 INFO L225 Difference]: With dead ends: 358 [2018-02-04 02:15:57,859 INFO L226 Difference]: Without dead ends: 358 [2018-02-04 02:15:57,859 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1985 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1067, Invalid=7489, Unknown=0, NotChecked=0, Total=8556 [2018-02-04 02:15:57,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-02-04 02:15:57,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 296. [2018-02-04 02:15:57,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-02-04 02:15:57,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 338 transitions. [2018-02-04 02:15:57,861 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 338 transitions. Word has length 91 [2018-02-04 02:15:57,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:15:57,861 INFO L432 AbstractCegarLoop]: Abstraction has 296 states and 338 transitions. [2018-02-04 02:15:57,861 INFO L433 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-02-04 02:15:57,861 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 338 transitions. [2018-02-04 02:15:57,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-02-04 02:15:57,861 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:15:57,861 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:15:57,862 INFO L371 AbstractCegarLoop]: === Iteration 66 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:15:57,862 INFO L82 PathProgramCache]: Analyzing trace with hash 252943311, now seen corresponding path program 1 times [2018-02-04 02:15:57,862 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:15:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:15:57,875 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:15:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 42 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:58,302 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:15:58,302 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 02:15:58,302 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:15:58,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:58,303 INFO L182 omatonBuilderFactory]: Interpolants [40384#(and (not (= main_~lItem~0.base main_~data~0.base)) (= (select |#valid| main_~data~0.base) 1)), 40385#(and (not (= main_~lItem~0.base main_~data~0.base)) (= (select |#valid| main_~data~0.base) (select |#valid| main_~lItem~0.base)) (= (select |#valid| main_~data~0.base) 1)), 40386#(and (not (= main_~lItem~0.base main_~data~0.base)) (= (select |#valid| main_~data~0.base) (select |#valid| main_~lItem~0.base)) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 40387#(and (= (select |#valid| main_~data~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select |#valid| main_~data~0.base) 1)), 40388#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= (select |#valid| main_~data~0.base) 1)), 40389#(and (not (= main_~data~0.base main_~item~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= (select |#valid| main_~data~0.base) 1)), 40390#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) |main_#t~malloc5.base|)) (not (= main_~data~0.base |main_#t~malloc5.base|)) (not (= main_~data~0.base main_~item~0.base)) (not (= 0 |main_#t~malloc5.base|)) (= (select |#valid| |main_#t~malloc5.base|) 1)), 40391#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (not (= main_~data~0.base main_~item~0.base)) (not (= main_~data~0.base main_~lItem~0.base))), 40392#(and (not (= |main_#t~mem7.base| main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (not (= main_~data~0.base main_~item~0.base)) (not (= main_~data~0.base main_~lItem~0.base)) (= 1 (select |#valid| |main_#t~mem7.base|))), 40393#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset) main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (not (= main_~data~0.base main_~lItem~0.base))), 40394#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset) (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= main_~data~0.base main_~lItem~0.base)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) 1)), 40395#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) 1) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 40396#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|) |main_#t~mem15.base|)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= 0 |main_#t~mem15.base|))), 40397#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) 1) (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= 1 (select (store |#valid| main_~lItem~0.base 0) (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset))) (not (= 0 main_~lItem~0.base))), 40398#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) 1) (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= 1 (select (store |#valid| main_~lItem~0.base 0) |main_#t~mem17.base|)) (not (= 0 main_~lItem~0.base))), 40399#(and (not (= 0 main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (= 1 (select (store |#valid| main_~lItem~0.base 0) (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 40400#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 40401#(and (= main_~data~0.base main_~dst~0.base) (not (= main_~data~0.offset main_~dst~0.offset)) (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)))), 40402#(= 1 (select |#valid| |main_#t~mem27.base|)), 40374#true, 40375#false, 40376#(= (select |#valid| main_~lItem~0.base) 1), 40377#(and (= (select |#valid| main_~lItem~0.base) 1) (= main_~data~0.base main_~lItem~0.base)), 40378#(= (select |#valid| main_~data~0.base) 1), 40379#(or (= main_~data~0.base |main_#t~malloc1.base|) (= (select |#valid| main_~data~0.base) 1)), 40380#(or (= main_~item~0.base main_~data~0.base) (= (select |#valid| main_~data~0.base) 1)), 40381#(and (= (select |#valid| main_~item~0.base) 1) (= (select |#valid| main_~data~0.base) 1)), 40382#(not (= main_~data~0.base |main_#t~malloc5.base|)), 40383#(not (= main_~lItem~0.base main_~data~0.base))] [2018-02-04 02:15:58,303 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 42 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:15:58,303 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 02:15:58,303 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 02:15:58,303 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=690, Unknown=0, NotChecked=0, Total=812 [2018-02-04 02:15:58,303 INFO L87 Difference]: Start difference. First operand 296 states and 338 transitions. Second operand 29 states. [2018-02-04 02:15:59,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:15:59,697 INFO L93 Difference]: Finished difference Result 329 states and 361 transitions. [2018-02-04 02:15:59,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 02:15:59,697 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 91 [2018-02-04 02:15:59,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:15:59,698 INFO L225 Difference]: With dead ends: 329 [2018-02-04 02:15:59,698 INFO L226 Difference]: Without dead ends: 329 [2018-02-04 02:15:59,698 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 7 SyntacticMatches, 4 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1051 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=665, Invalid=2875, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 02:15:59,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-02-04 02:15:59,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 305. [2018-02-04 02:15:59,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-02-04 02:15:59,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 348 transitions. [2018-02-04 02:15:59,700 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 348 transitions. Word has length 91 [2018-02-04 02:15:59,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:15:59,700 INFO L432 AbstractCegarLoop]: Abstraction has 305 states and 348 transitions. [2018-02-04 02:15:59,700 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 02:15:59,700 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 348 transitions. [2018-02-04 02:15:59,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-02-04 02:15:59,700 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:15:59,700 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:15:59,700 INFO L371 AbstractCegarLoop]: === Iteration 67 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:15:59,701 INFO L82 PathProgramCache]: Analyzing trace with hash 252943312, now seen corresponding path program 1 times [2018-02-04 02:15:59,701 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:15:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:15:59,716 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:16:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 39 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:00,280 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:16:00,280 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 02:16:00,280 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:16:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:00,281 INFO L182 omatonBuilderFactory]: Interpolants [41104#true, 41105#false, 41106#(= (select |#valid| main_~lItem~0.base) 1), 41107#(and (= (select |#valid| main_~lItem~0.base) 1) (= main_~data~0.base main_~lItem~0.base)), 41108#(= (select |#valid| main_~data~0.base) 1), 41109#(or (= main_~data~0.base |main_#t~malloc1.base|) (= (select |#valid| main_~data~0.base) 1)), 41110#(or (= main_~item~0.base main_~data~0.base) (= (select |#valid| main_~data~0.base) 1)), 41111#(and (= (select |#valid| main_~item~0.base) 1) (= (select |#valid| main_~data~0.base) 1)), 41112#(and (= 0 |main_#t~malloc5.offset|) (= 8 (select |#length| |main_#t~malloc5.base|)) (not (= main_~data~0.base |main_#t~malloc5.base|))), 41113#(and (not (= main_~lItem~0.base main_~data~0.base)) (= 0 main_~lItem~0.offset) (= (select |#length| main_~lItem~0.base) 8)), 41114#(and (not (= main_~lItem~0.base main_~data~0.base)) (= 0 main_~lItem~0.offset) (= (select |#valid| main_~data~0.base) 1) (= (select |#length| main_~lItem~0.base) 8)), 41115#(and (not (= main_~lItem~0.base main_~data~0.base)) (= (select |#valid| main_~data~0.base) (select |#valid| main_~lItem~0.base)) (= 0 main_~lItem~0.offset) (= (select |#valid| main_~data~0.base) 1) (= (select |#length| main_~lItem~0.base) 8)), 41116#(and (not (= main_~lItem~0.base main_~data~0.base)) (= (select |#valid| main_~data~0.base) (select |#valid| main_~lItem~0.base)) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1) (= (select |#length| main_~lItem~0.base) 8)), 41117#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select |#valid| main_~data~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 41118#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 41119#(and (= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (not (= main_~data~0.base main_~item~0.base)) (= (select |#valid| main_~data~0.base) 1)), 41120#(and (or (and (<= 8 (select |#length| |main_#t~malloc5.base|)) (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (not (= main_~data~0.base |main_#t~malloc5.base|)) (not (= main_~data~0.base main_~item~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 41121#(and (not (= main_~data~0.base main_~item~0.base)) (not (= main_~data~0.base main_~lItem~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 41122#(and (not (= main_~data~0.base main_~item~0.base)) (not (= main_~data~0.base main_~lItem~0.base)) (<= 8 (select |#length| |main_#t~mem7.base|)) (= 0 |main_#t~mem7.offset|)), 41123#(and (not (= main_~data~0.base main_~item~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset)) (not (= main_~data~0.base main_~lItem~0.base)) (<= 8 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)))), 41124#(and (= main_~lItem~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (not (= main_~data~0.base main_~item~0.base)) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= main_~data~0.base main_~lItem~0.base)) (<= 8 (select |#length| (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)))), 41125#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 41126#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 41127#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)))), 41128#(and (= 0 |main_#t~mem17.offset|) (<= 8 (select |#length| |main_#t~mem17.base|))), 41129#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 41130#(and (= main_~data~0.base main_~dst~0.base) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset) main_~data~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (<= 8 (select |#length| (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)))), 41131#(and (= 0 |main_#t~mem27.offset|) (<= 8 (select |#length| |main_#t~mem27.base|))), 41132#(and (= main_~data~0.offset 0) (<= 8 (select |#length| main_~data~0.base)))] [2018-02-04 02:16:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 39 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:00,281 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 02:16:00,281 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 02:16:00,281 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=713, Unknown=0, NotChecked=0, Total=812 [2018-02-04 02:16:00,281 INFO L87 Difference]: Start difference. First operand 305 states and 348 transitions. Second operand 29 states. [2018-02-04 02:16:02,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:16:02,336 INFO L93 Difference]: Finished difference Result 429 states and 485 transitions. [2018-02-04 02:16:02,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 02:16:02,336 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 91 [2018-02-04 02:16:02,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:16:02,337 INFO L225 Difference]: With dead ends: 429 [2018-02-04 02:16:02,337 INFO L226 Difference]: Without dead ends: 429 [2018-02-04 02:16:02,337 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 916 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=618, Invalid=3164, Unknown=0, NotChecked=0, Total=3782 [2018-02-04 02:16:02,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2018-02-04 02:16:02,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 366. [2018-02-04 02:16:02,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-02-04 02:16:02,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 447 transitions. [2018-02-04 02:16:02,339 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 447 transitions. Word has length 91 [2018-02-04 02:16:02,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:16:02,339 INFO L432 AbstractCegarLoop]: Abstraction has 366 states and 447 transitions. [2018-02-04 02:16:02,339 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 02:16:02,339 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 447 transitions. [2018-02-04 02:16:02,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-04 02:16:02,340 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:16:02,340 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:16:02,340 INFO L371 AbstractCegarLoop]: === Iteration 68 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:16:02,340 INFO L82 PathProgramCache]: Analyzing trace with hash -965911708, now seen corresponding path program 1 times [2018-02-04 02:16:02,341 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:16:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:16:02,365 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:16:04,471 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:04,471 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:16:04,471 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-02-04 02:16:04,471 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:16:04,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:04,472 INFO L182 omatonBuilderFactory]: Interpolants [41999#true, 42000#false, 42001#(= 0 (select |#valid| 0)), 42002#(and (= 0 (select |#valid| 0)) (= 0 |main_#t~malloc1.offset|) (= 1 (select |#valid| |main_#t~malloc1.base|))), 42003#(and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~item~0.base)) (= main_~item~0.offset 0)), 42004#(and (= |main_#t~malloc5.offset| 0) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~item~0.base)) (not (= main_~item~0.base |main_#t~malloc5.base|)) (= main_~item~0.offset 0)), 42005#(and (not (= main_~item~0.base main_~lItem~0.base)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~item~0.base)) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 42006#(and (not (= main_~item~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= (select |#valid| main_~lItem~0.base) 1) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~item~0.base)) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= main_~item~0.offset 0)), 42007#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (not (= main_~item~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= (select |#valid| main_~lItem~0.base) 1) (= 0 (select |#valid| 0)) (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset) (= 1 (select |#valid| main_~item~0.base)) (= main_~data~0.base main_~lItem~0.base) (= main_~item~0.offset 0)), 42008#(and (= 0 (select |#valid| 0)) (= 0 main_~data~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select |#valid| main_~data~0.base) 1)), 42009#(and (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) |main_#t~malloc1.base|)) (= |main_#t~malloc1.offset| 0) (= 0 (select |#valid| 0)) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 42010#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.base)) (not (= main_~data~0.base main_~item~0.base)) (= 0 (select |#valid| 0)) (= 0 main_~data~0.offset) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~item~0.offset 0)), 42011#(and (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.base)) (not (= main_~data~0.base main_~item~0.base)) (= 0 (select |#valid| 0)) (= 0 main_~data~0.offset) (not (= 0 |main_#t~malloc5.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset |main_#t~malloc5.offset|) (= main_~item~0.offset 0)), 42012#(and (or (= main_~lItem~0.base main_~data~0.base) (and (not (= 0 main_~lItem~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.base)) (not (= main_~data~0.base main_~item~0.base)) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~item~0.offset 0))) (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset)), 42013#(and (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (or (and (not (= 0 main_~lItem~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.base)) (not (= main_~data~0.base main_~item~0.base)) (= 0 (select |#valid| 0)) (= main_~data~0.base |main_#t~mem7.base|) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) |main_#t~mem7.base|)) (= main_~item~0.offset 0)) (= main_~lItem~0.base main_~data~0.base))), 42014#(and (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (or (and (not (= (select (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base) (+ main_~data~0.offset 4)) main_~item~0.base)) (not (= 0 main_~lItem~0.base)) (not (= main_~data~0.base main_~item~0.base)) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~item~0.offset 0) (not (= (select (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base) (+ main_~data~0.offset 4)) (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)))) (= main_~lItem~0.base main_~data~0.base))), 42015#(and (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4)) (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= main_~data~0.base main_~item~0.base)) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= 0 (select |#valid| 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.base)) (= main_~item~0.offset 0)) (= main_~lItem~0.base main_~data~0.base))), 42016#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (or (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)) 0) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 42017#(and (= main_~data~0.offset 0) (= main_~data~0.offset |main_#t~mem11.offset|) (or (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)) 0) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)) (= main_~data~0.base |main_#t~mem11.base|))), 42018#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)) 0) (= main_~data~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= 0 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 42019#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)) 0) (= main_~data~0.offset 0) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= 0 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 42020#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)) 0) (= main_~data~0.offset 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= 0 (select |#valid| 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 42021#(and (= main_~data~0.offset 0) (= |main_#t~mem13.offset| 0) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ |main_#t~mem13.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4)) 0) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ |main_#t~mem13.offset| 4)))) (= 0 (select |#valid| 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 42022#(and (= main_~data~0.offset 0) (not (= main_~item~0.base |main_#t~mem14.base|)) (= |main_#t~mem14.offset| 0) (= 0 (select |#valid| 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (not (= main_~data~0.base |main_#t~mem14.base|))), 42023#(and (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (not (= main_~item~0.base main_~item2~0.base)) (= 0 (select |#valid| 0)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= main_~data~0.base main_~item2~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 42024#(and (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (not (= main_~item~0.base main_~item2~0.base)) (= 0 (select |#valid| 0)) (not (= 0 |main_#t~mem15.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (not (= main_~data~0.base main_~item2~0.base))), 42025#(and (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (not (= 0 main_~lItem~0.base)) (not (= main_~item~0.base main_~item2~0.base)) (= 0 (select |#valid| 0)) (not (= main_~data~0.base main_~item2~0.base))), 42026#(and (= main_~data~0.base |main_#t~mem17.base|) (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (not (= main_~item~0.base |main_#t~mem17.base|)) (not (= 0 main_~lItem~0.base)) (not (= main_~item~0.base main_~item2~0.base)) (= 0 (select |#valid| 0)) (not (= main_~data~0.base main_~item2~0.base))), 42027#(and (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= 0 main_~lItem~0.base)) (not (= main_~item~0.base main_~item2~0.base)) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= main_~data~0.base main_~item2~0.base))), 42028#(and (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= main_~item~0.base main_~item2~0.base)) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= main_~data~0.base main_~item2~0.base))), 42029#(and (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (not (= main_~item~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (not (= main_~item~0.base main_~item2~0.base)) (= 0 (select |#valid| 0)) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (not (= main_~dst~0.base main_~item2~0.base)) (= main_~dst~0.base main_~data~0.base)), 42030#(and (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (not (= main_~item~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (not (= main_~item~0.base main_~item2~0.base)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~item~0.base)) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (not (= main_~dst~0.base main_~item2~0.base)) (= main_~dst~0.base main_~data~0.base)), 42031#(and (= main_~data~0.offset 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) (+ 0 4)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 0) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~item~0.base)) (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= main_~dst~0.base main_~data~0.base) (= (+ main_~data~0.offset 4) main_~dst~0.offset)), 42032#(and (= |main_#t~mem24.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) (= main_~data~0.offset 0) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select |#valid| 0)) (= |main_#t~mem24.offset| 0) (= 1 (select |#valid| main_~item~0.base)) (not (= main_~data~0.base |main_#t~mem24.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))))), 42033#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) (+ 0 4))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~item~0.base)) (= main_~dst~0.offset 0) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) (+ 0 4))))), 42034#(and (= main_~data~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) 0) (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 42035#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))) 0) |main_#t~mem27.base|)) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))))), 42036#(or (not (= 1 (select |#valid| main_~data~0.base))) (and (= 1 (select (store |#valid| main_~data~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0))) (not (= main_~data~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))) (<= (+ main_~data~0.offset 1) 0) (<= 1 main_~data~0.offset)), 42037#(and (or (and (= 1 (select (store |#valid| main_~data~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0))) (not (= main_~data~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))) (<= 1 main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 42038#(and (or (and (not (= main_~data~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem28.base|) 0) |main_#t~mem28.base|)) (= 1 (select (store |#valid| main_~data~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem28.base|) 0)))) (<= 1 main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 42039#(and (or (and (not (= main_~data~0.base 0)) (or (not (= main_~item~0.offset 0)) (and (= 1 (select (store |#valid| main_~data~0.base 0) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset) main_~item~0.base))))) (<= 1 main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 42040#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset) main_~item~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (not (= main_~item~0.offset 0))), 42041#(and (or (not (= main_~item2~0.offset 0)) (= 1 (select (store |#valid| main_~item2~0.base 0) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (or (not (= 0 main_~item2~0.base)) (not (= main_~item2~0.offset 0)))), 42042#(and (or (not (= 0 main_~item2~0.base)) (not (= main_~item2~0.offset 0))) (or (= 1 (select (store |#valid| main_~item2~0.base 0) |main_#t~mem29.base|)) (not (= main_~item2~0.offset 0)))), 42043#(and (or (not (= 0 main_~item2~0.base)) (not (= main_~item2~0.offset 0))) (or (not (= main_~item2~0.offset 0)) (= 1 (select (store |#valid| main_~item2~0.base 0) main_~item~0.base)))), 42044#(= 1 (select |#valid| main_~item~0.base))] [2018-02-04 02:16:04,472 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:04,472 INFO L409 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-02-04 02:16:04,472 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-02-04 02:16:04,472 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1925, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 02:16:04,472 INFO L87 Difference]: Start difference. First operand 366 states and 447 transitions. Second operand 46 states. [2018-02-04 02:16:08,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:16:08,591 INFO L93 Difference]: Finished difference Result 407 states and 486 transitions. [2018-02-04 02:16:08,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-02-04 02:16:08,591 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 93 [2018-02-04 02:16:08,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:16:08,592 INFO L225 Difference]: With dead ends: 407 [2018-02-04 02:16:08,592 INFO L226 Difference]: Without dead ends: 407 [2018-02-04 02:16:08,592 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2406 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=737, Invalid=9163, Unknown=0, NotChecked=0, Total=9900 [2018-02-04 02:16:08,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-02-04 02:16:08,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 383. [2018-02-04 02:16:08,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-02-04 02:16:08,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 465 transitions. [2018-02-04 02:16:08,595 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 465 transitions. Word has length 93 [2018-02-04 02:16:08,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:16:08,595 INFO L432 AbstractCegarLoop]: Abstraction has 383 states and 465 transitions. [2018-02-04 02:16:08,595 INFO L433 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-02-04 02:16:08,595 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 465 transitions. [2018-02-04 02:16:08,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-04 02:16:08,595 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:16:08,595 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:16:08,595 INFO L371 AbstractCegarLoop]: === Iteration 69 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:16:08,595 INFO L82 PathProgramCache]: Analyzing trace with hash -965911707, now seen corresponding path program 1 times [2018-02-04 02:16:08,596 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:16:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:16:08,620 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:16:11,312 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:11,313 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:16:11,313 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-02-04 02:16:11,313 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:16:11,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:11,313 INFO L182 omatonBuilderFactory]: Interpolants [42944#false, 42945#(and (= 0 |main_#t~malloc1.offset|) (not (= 0 |main_#t~malloc1.base|))), 42946#(and (not (= 0 main_~item~0.base)) (= main_~item~0.offset 0)), 42947#(and (= 8 (select |#length| |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (not (= 0 |main_#t~malloc5.base|)) (not (= 0 main_~item~0.base)) (= main_~item~0.offset 0)), 42948#(and (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (= 0 main_~lItem~0.offset) (not (= 0 main_~item~0.base)) (= main_~item~0.offset 0)), 42949#(and (= 1 (select |#valid| main_~lItem~0.base)) (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (not (= 0 main_~item~0.base)) (= main_~item~0.offset 0)), 42950#(and (= 1 (select |#valid| main_~lItem~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset) (not (= 0 main_~item~0.base)) (= main_~item~0.offset 0) (= main_~data~0.base main_~lItem~0.base)), 42951#(and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 1 (select |#valid| main_~data~0.base)) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 42952#(and (= 8 (select |#length| main_~data~0.base)) (not (= |main_#t~malloc1.base| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 42953#(and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 42954#(and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 42955#(and (or (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base |main_#t~malloc5.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 42956#(and (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base))), 42957#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset |main_#t~mem7.offset|)) main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 |main_#t~mem7.base|)) (= main_~data~0.base |main_#t~mem7.base|)) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset main_~lItem~0.offset)), 42958#(and (= main_~data~0.offset 0) (= main_~data~0.offset main_~lItem~0.offset) (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset) (+ main_~data~0.offset 4))) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base) (+ main_~data~0.offset 4))))) (= main_~lItem~0.base main_~data~0.base))), 42959#(and (= main_~data~0.offset 0) (or (= main_~lItem~0.base main_~data~0.base) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4)))) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.offset main_~data~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) (+ main_~data~0.offset 4))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (<= main_~data~0.offset main_~lItem~0.offset)), 42960#(and (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 42961#(and (or (= main_~data~0.base |main_#t~mem11.base|) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|))) (= main_~data~0.offset 0) (= main_~data~0.offset |main_#t~mem11.offset|)), 42962#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 42963#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= 0 |main_#t~mem12.offset|) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 |main_#t~mem12.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 42964#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (or (and (= 0 main_~item~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 main_~item~0.base))) (<= (select |#length| main_~item~0.base) 3)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 42965#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (or (and (= 0 main_~item~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (not (= 0 main_~item~0.base))) (<= (select |#length| main_~item~0.base) 3)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 42966#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset 0) (or (and (= 0 main_~item~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset))) (not (= 0 main_~item~0.base))) (<= (select |#length| main_~item~0.base) 3))), 42967#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base |main_#t~mem17.base|) (= main_~data~0.offset 0) (or (and (not (= 0 |main_#t~mem17.base|)) (= 0 main_~item~0.offset) (not (= 0 main_~item~0.base))) (<= (select |#length| main_~item~0.base) 3))), 42968#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (or (<= (select |#length| main_~item~0.base) 3) (and (= 0 main_~item~0.offset) (or (not (= main_~data~0.offset main_~item2~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (not (= 0 main_~item~0.base))))), 42969#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (or (and (= 0 main_~item~0.offset) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item2~0.offset)) (not (= main_~dst~0.base main_~item2~0.base))) (not (= 0 main_~item~0.base))) (<= (select |#length| main_~item~0.base) 3)) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base)), 42970#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~item~0.offset) (= main_~data~0.offset 0) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item2~0.offset)) (not (= main_~dst~0.base main_~item2~0.base))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (= main_~dst~0.offset 4) (<= 4 (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base) (not (= 0 main_~item~0.base))), 42971#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~item~0.offset) (= main_~data~0.offset 0) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item2~0.offset)) (not (= main_~dst~0.base main_~item2~0.base))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)) (= main_~dst~0.offset 4) (<= 4 (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base) (not (= 0 main_~item~0.base))), 42972#(and (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~item2~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)) (= main_~dst~0.offset 4) (or (and (= 0 main_~item~0.offset) (or (not (= main_~data~0.offset main_~item2~0.offset)) (not (= main_~dst~0.base main_~item2~0.base)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~item2~0.base) main_~item2~0.offset)))) (<= 4 (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base) (not (= 0 main_~item~0.base))), 42973#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (or (not (= 0 |main_#t~mem23.base|)) (and (= 0 main_~item~0.offset) (or (not (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset))) (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))))) (<= (+ (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= main_~dst~0.offset 4) (<= 4 (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base) (not (= 0 main_~item~0.base))), 42974#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (or (not (= 0 main_~item2~0.base)) (and (= 0 main_~item~0.offset) (or (not (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset))) (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))))) (= main_~dst~0.offset 4) (<= 4 (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base) (not (= 0 main_~item~0.base))), 42975#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (or (not (= 0 main_~item2~0.base)) (and (= |main_#t~mem24.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) (= 0 main_~item~0.offset) (or (not (= main_~data~0.base |main_#t~mem24.base|)) (not (= main_~data~0.offset |main_#t~mem24.offset|))))) (= |main_#t~mem24.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ 0 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (<= (+ |main_#t~mem24.offset| 8) (select |#length| |main_#t~mem24.base|)) (<= 4 (select |#length| main_~item~0.base)) (not (= 0 main_~item~0.base))), 42976#(and (= main_~data~0.offset 0) (or (not (= main_~data~0.offset main_~dst~0.offset)) (and (or (not (= 0 main_~item2~0.base)) (and (= 0 main_~item~0.offset) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) (+ 0 4))))) (<= 4 (select |#length| main_~item~0.base)) (not (= 0 main_~item~0.base)))) (or (= main_~data~0.offset main_~dst~0.offset) (and (or (and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~data~0.base) (+ 0 4))))) (= (select |#length| main_~dst~0.base) 8)) (or (not (= (select |#length| main_~dst~0.base) 8)) (< main_~dst~0.offset main_~data~0.offset))))), 42977#(and (= main_~data~0.offset 0) (or (and (= 0 main_~item~0.offset) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) (+ 0 4))) (<= 4 (select |#length| main_~item~0.base)) (not (= 0 main_~item~0.base))) (not (= main_~data~0.offset main_~dst~0.offset))) (or (= main_~data~0.offset main_~dst~0.offset) (and (or (and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~data~0.base) (+ 0 4))))) (= (select |#length| main_~dst~0.base) 8)) (or (not (= (select |#length| main_~dst~0.base) 8)) (< main_~dst~0.offset main_~data~0.offset))))), 42978#(and (= main_~data~0.offset 0) (or (not (= main_~data~0.offset main_~dst~0.offset)) (and (= 0 main_~item~0.offset) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) (+ 0 4))) (<= 4 (select |#length| main_~item~0.base)))) (or (= main_~data~0.offset main_~dst~0.offset) (and (or (and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~data~0.base) (+ 0 4))))) (= (select |#length| main_~dst~0.base) 8)) (or (not (= (select |#length| main_~dst~0.base) 8)) (< main_~dst~0.offset main_~data~0.offset))))), 42979#(and (= main_~data~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) 0)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))))), 42980#(or (and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))) 0))) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) (+ 0 4))))), 42981#(or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))) (not (= 1 (select |#valid| main_~data~0.base))) (<= (+ main_~data~0.offset 1) 0) (<= 1 main_~data~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0))))), 42982#(and (or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))) (<= 1 main_~data~0.offset) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0))))) (= (select |#valid| main_~data~0.base) 1)), 42983#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem28.base|) 0)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem28.base|) 0)))) (<= 1 main_~data~0.offset) (not (= 0 |main_#t~mem28.offset|))) (= (select |#valid| main_~data~0.base) 1)), 42984#(and (or (not (= 0 main_~item~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) 0)))) (<= 1 main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 42985#(or (not (= 0 main_~item~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) 0))))), 42986#(or (and (= main_~item~0.offset main_~item2~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) 0)))) (not (= 0 main_~item2~0.offset))), 42987#(and (or (= 0 |main_#t~mem29.offset|) (not (= main_~item2~0.offset 0))) (or (not (= 0 main_~item2~0.offset)) (<= 4 (select |#length| |main_#t~mem29.base|)))), 42988#(and (or (not (= main_~item2~0.offset 0)) (= main_~item~0.offset 0)) (or (not (= 0 main_~item2~0.offset)) (<= 4 (select |#length| main_~item~0.base)))), 42989#(and (<= 4 (select |#length| main_~item~0.base)) (= main_~item~0.offset 0)), 42943#true] [2018-02-04 02:16:11,313 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:11,314 INFO L409 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-02-04 02:16:11,314 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-02-04 02:16:11,314 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=2042, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 02:16:11,314 INFO L87 Difference]: Start difference. First operand 383 states and 465 transitions. Second operand 47 states. [2018-02-04 02:16:16,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:16:16,537 INFO L93 Difference]: Finished difference Result 399 states and 480 transitions. [2018-02-04 02:16:16,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-02-04 02:16:16,538 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 93 [2018-02-04 02:16:16,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:16:16,539 INFO L225 Difference]: With dead ends: 399 [2018-02-04 02:16:16,539 INFO L226 Difference]: Without dead ends: 399 [2018-02-04 02:16:16,539 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2114 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=803, Invalid=9499, Unknown=0, NotChecked=0, Total=10302 [2018-02-04 02:16:16,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-02-04 02:16:16,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 383. [2018-02-04 02:16:16,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-02-04 02:16:16,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 464 transitions. [2018-02-04 02:16:16,541 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 464 transitions. Word has length 93 [2018-02-04 02:16:16,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:16:16,541 INFO L432 AbstractCegarLoop]: Abstraction has 383 states and 464 transitions. [2018-02-04 02:16:16,541 INFO L433 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-02-04 02:16:16,541 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 464 transitions. [2018-02-04 02:16:16,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-04 02:16:16,542 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:16:16,542 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:16:16,542 INFO L371 AbstractCegarLoop]: === Iteration 70 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:16:16,542 INFO L82 PathProgramCache]: Analyzing trace with hash -401338229, now seen corresponding path program 2 times [2018-02-04 02:16:16,542 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:16:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:16:16,581 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:16:18,143 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-04 02:16:18,143 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:16:18,143 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 02:16:18,143 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:16:18,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:18,144 INFO L182 omatonBuilderFactory]: Interpolants [43904#(and (= main_~data~0.offset 0) (not (= (select |#valid| main_~lItem~0.base) 0)) (not (= 0 main_~lItem~0.base)) (not (= main_~data~0.base main_~item~0.base)) (not (= main_~data~0.base main_~lItem~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))) (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 43905#(and (= main_~data~0.offset 0) (not (= main_~data~0.base main_~item~0.base)) (not (= main_~data~0.base main_~lItem~0.base)) (or (and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset) main_~data~0.base)) (and (or (= (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset) (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4))) (and (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4))) 0)))) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) (+ main_~data~0.offset 4)))))), 43906#(and (= main_~data~0.offset 0) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base)) (and (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0))) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))))), 43907#(and (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base)) (and (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) 0)) (= 0 |main_#t~mem12.offset|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) |main_#t~mem12.base|) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem12.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem12.base|) 0)))))) (= main_~data~0.offset 0)), 43908#(and (= main_~data~0.offset 0) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base)) (and (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) 0)) (or (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~item~0.offset 0)))), 43909#(and (= main_~data~0.offset 0) (or (and (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) 0)) (or (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= 0 |main_#t~mem15.base|)) (= main_~item~0.offset 0)) (and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= 0 |main_#t~mem15.base|)) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base)))), 43910#(and (= main_~data~0.offset 0) (or (and (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) 0)) (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (or (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (not (= 0 main_~lItem~0.base)) (= main_~item~0.offset 0)) (and (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= 0 main_~lItem~0.base)) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base)))), 43911#(and (= main_~data~0.offset 0) (or (and (or (= main_~lItem~0.base main_~item~0.base) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~data~0.base)))) (not (= (select |#valid| main_~lItem~0.base) 0)) (not (= 0 main_~lItem~0.base)) (= main_~item~0.offset 0)) (and (not (= 0 main_~lItem~0.base)) (= main_~lItem~0.base main_~data~0.base)))), 43912#(and (= main_~data~0.offset 0) (or (and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~data~0.base))) (not (= 1 (select |#valid| main_~item~0.base)))) (= main_~item~0.offset 0)) (not (= 1 (select |#valid| main_~data~0.base))))), 43913#(or (and (or (and (= 0 (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~item~0.base) main_~item~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~item~0.base) main_~item~0.offset))) (not (= 1 (select |#valid| main_~item~0.base)))) (= main_~item~0.offset 0)) (not (= 1 (select |#valid| main_~dst~0.base)))), 43914#(or (and (= 0 (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~item~0.base) main_~item~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~item~0.base) main_~item~0.offset))) (not (= 1 (select |#valid| main_~dst~0.base))) (not (= 1 (select |#valid| main_~item~0.base)))), 43915#(or (and (= 0 (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~item~0.base) main_~item~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~item~0.base) main_~item~0.offset)) (= (select |#valid| main_~item~0.base) 1)) (not (= 1 (select |#valid| main_~dst~0.base)))), 43916#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= (select |#valid| main_~item~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))), 43917#(and (= 0 |main_#t~mem21.offset|) (= 0 |main_#t~mem21.base|)), 43918#(and (= 0 main_~item~0.base) (= main_~item~0.offset 0)), 43884#true, 43885#false, 43886#(and (= (select |#valid| |main_#t~malloc1.base|) 1) (= 0 |main_#t~malloc1.offset|)), 43887#(and (= (select |#valid| main_~item~0.base) 1) (= main_~item~0.offset 0)), 43888#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= (select |#valid| main_~item~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset 0)), 43889#(and (= 0 |main_#t~malloc5.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (= (select |#valid| main_~item~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base |main_#t~malloc5.base|)) (= main_~item~0.offset 0)), 43890#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset)) (not (= main_~item~0.base main_~lItem~0.base)) (= (select |#valid| main_~item~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 43891#(and (not (= main_~item~0.base main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (= (select |#valid| main_~item~0.base) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~item~0.base) main_~item~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~item~0.base) main_~item~0.offset)) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 43892#(and (= (select |#valid| main_~lItem~0.base) 1) (= main_~lItem~0.offset 0) (= (select |#valid| main_~item~0.base) 1) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (= main_~lItem~0.base main_~data~0.base) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~item~0.base) main_~item~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~item~0.base) main_~item~0.offset)) (= main_~item~0.offset 0)), 43893#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 1) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= (select |#valid| main_~data~0.base) 1) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 43894#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 1) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) |main_#t~malloc1.base|)) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= (select |#valid| main_~data~0.base) 1) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 43895#(and (= (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))) (not (= main_~item~0.base main_~data~0.base)) (= 0 main_~data~0.offset) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4)) main_~data~0.base)) (= (select |#valid| main_~data~0.base) 1) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))))), 43896#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 1) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) |main_#t~malloc5.base|)) (not (= main_~data~0.base |main_#t~malloc5.base|)) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 43897#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= main_~lItem~0.base main_~data~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 1) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (not (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 43898#(and (not (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset |main_#t~mem7.offset|)) main_~data~0.base) (+ main_~data~0.offset 4))) (= (select |#valid| main_~data~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset |main_#t~mem7.base|)) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= (select |#valid| main_~data~0.base) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset |main_#t~mem7.offset|)) (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (not (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 43899#(and (not (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) (+ main_~data~0.offset 4))) (= (select |#valid| main_~data~0.base) (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4)))) (= (select |#valid| main_~data~0.base) 1)), 43900#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= main_~data~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) |main_#t~malloc1.base|)) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= (select |#valid| main_~data~0.base) 1) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 43901#(and (= main_~data~0.offset 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= main_~data~0.base main_~item~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))) (= (select |#valid| main_~data~0.base) 1) (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4)) main_~data~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))))), 43902#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= main_~data~0.offset 0) (not (= main_~data~0.base main_~item~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= (select |#valid| main_~data~0.base) 1) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))), 43903#(and (not (= (select |#valid| |main_#t~malloc5.base|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (= main_~data~0.offset 0) (not (= main_~data~0.base |main_#t~malloc5.base|)) (not (= main_~data~0.base main_~item~0.base)) (not (= 0 |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))))] [2018-02-04 02:16:18,144 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-04 02:16:18,144 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 02:16:18,144 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 02:16:18,145 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1091, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 02:16:18,145 INFO L87 Difference]: Start difference. First operand 383 states and 464 transitions. Second operand 35 states. [2018-02-04 02:16:18,962 WARN L146 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 137 DAG size of output 90 [2018-02-04 02:16:19,137 WARN L146 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 149 DAG size of output 94 [2018-02-04 02:16:19,332 WARN L146 SmtUtils]: Spent 149ms on a formula simplification. DAG size of input: 188 DAG size of output 95 [2018-02-04 02:16:20,245 WARN L146 SmtUtils]: Spent 148ms on a formula simplification. DAG size of input: 184 DAG size of output 98 [2018-02-04 02:16:20,657 WARN L146 SmtUtils]: Spent 153ms on a formula simplification. DAG size of input: 191 DAG size of output 97 [2018-02-04 02:16:21,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:16:21,668 INFO L93 Difference]: Finished difference Result 355 states and 418 transitions. [2018-02-04 02:16:21,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 02:16:21,668 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 93 [2018-02-04 02:16:21,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:16:21,669 INFO L225 Difference]: With dead ends: 355 [2018-02-04 02:16:21,669 INFO L226 Difference]: Without dead ends: 355 [2018-02-04 02:16:21,670 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 11 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1157 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=644, Invalid=4326, Unknown=0, NotChecked=0, Total=4970 [2018-02-04 02:16:21,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-02-04 02:16:21,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2018-02-04 02:16:21,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-02-04 02:16:21,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 418 transitions. [2018-02-04 02:16:21,672 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 418 transitions. Word has length 93 [2018-02-04 02:16:21,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:16:21,672 INFO L432 AbstractCegarLoop]: Abstraction has 355 states and 418 transitions. [2018-02-04 02:16:21,672 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 02:16:21,672 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 418 transitions. [2018-02-04 02:16:21,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-02-04 02:16:21,672 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:16:21,672 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:16:21,672 INFO L371 AbstractCegarLoop]: === Iteration 71 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:16:21,673 INFO L82 PathProgramCache]: Analyzing trace with hash -333738760, now seen corresponding path program 1 times [2018-02-04 02:16:21,673 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:16:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:16:21,688 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:16:22,847 WARN L146 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 90 DAG size of output 63 [2018-02-04 02:16:25,374 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:25,375 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:16:25,375 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-02-04 02:16:25,375 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:16:25,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:25,375 INFO L182 omatonBuilderFactory]: Interpolants [44703#true, 44704#false, 44705#(= 0 (select |#valid| 0)), 44706#(and (= 0 (select |#valid| 0)) (= 0 |main_#t~malloc1.offset|) (= 1 (select |#valid| |main_#t~malloc1.base|))), 44707#(and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~item~0.base)) (= main_~item~0.offset 0)), 44708#(and (= 8 (select |#length| |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (not (= 0 |main_#t~malloc5.base|)) (= main_~item~0.offset 0) (or (and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~item~0.base))) (= main_~item~0.base |main_#t~malloc5.base|))), 44709#(and (or (= main_~item~0.base main_~lItem~0.base) (and (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~item~0.base)))) (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (= main_~lItem~0.offset 0) (= main_~item~0.offset 0)), 44710#(and (= 1 (select |#valid| main_~lItem~0.base)) (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.offset 0) (or (= main_~item~0.base main_~lItem~0.base) (and (= (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset) main_~lItem~0.offset) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~item~0.base)) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)))) (= main_~item~0.offset 0)), 44711#(and (= 1 (select |#valid| main_~lItem~0.base)) (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset) (= main_~item~0.offset 0) (= main_~data~0.base main_~lItem~0.base) (or (= main_~item~0.base main_~data~0.base) (and (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~item~0.base)) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))))), 44712#(and (= 8 (select |#length| main_~data~0.base)) (= 1 (select |#valid| main_~data~0.base)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) main_~data~0.base) (and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))))), 44713#(and (= 8 (select |#length| main_~data~0.base)) (not (= |main_#t~malloc1.base| main_~data~0.base)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) main_~data~0.base) (and (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) |main_#t~malloc1.base|)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select |#valid| 0)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))))), 44714#(and (= 8 (select |#length| main_~data~0.base)) (or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.base)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4)) main_~data~0.base)) (= 0 main_~data~0.offset) (not (= main_~item~0.base main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)))), 44715#(and (= 8 (select |#length| main_~data~0.base)) (or (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) main_~data~0.base) (and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.base)) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~item~0.base)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 44716#(and (or (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) main_~data~0.base) (and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.base)) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~item~0.base)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base |main_#t~malloc5.base|)) (= 0 main_~data~0.offset) (not (= 0 |main_#t~malloc5.base|)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 44717#(and (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset) (or (and (= 8 (select |#length| main_~data~0.base)) (or (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) main_~data~0.base) (and (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.base)) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~item~0.base)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (not (= 0 main_~lItem~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= main_~lItem~0.base main_~data~0.base))), 44718#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (or (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) main_~data~0.base) (and (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset |main_#t~mem7.offset|)) main_~data~0.base) (+ main_~data~0.offset 4))) (= main_~data~0.offset |main_#t~mem7.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem7.offset|) (= 0 (select |#valid| 0)) (= main_~data~0.base |main_#t~mem7.base|) (not (= |main_#t~mem7.base| main_~item~0.base)))) (not (= 0 main_~lItem~0.base)) (not (= 0 |main_#t~mem7.base|))) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0)), 44719#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (not (= 0 main_~lItem~0.base)) (or (and (not (= (select (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base) (+ main_~data~0.offset 4)) main_~item~0.base)) (= main_~data~0.offset (select (store (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset) main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset)) (+ main_~data~0.offset 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset) main_~item~0.base)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset)) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= (select (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base) (+ main_~data~0.offset 4)) main_~data~0.base))) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0)), 44720#(and (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (or (not (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset))) (or (= main_~lItem~0.base main_~data~0.base) (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (or (= (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4)) main_~data~0.base) (and (= main_~data~0.offset (select (store (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (+ main_~data~0.offset 4))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= 0 (select |#valid| 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.base)) (not (= (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset) main_~item~0.base)))))) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset))), 44721#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) main_~data~0.base) (and (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (+ main_~data~0.offset 4))) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 44722#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) main_~data~0.base) (and (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (+ main_~data~0.offset 4))) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)) (= main_~data~0.base |main_#t~mem11.base|)) (= main_~data~0.offset |main_#t~mem11.offset|)), 44723#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (or (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) main_~data~0.base) (and (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (+ main_~data~0.offset 4))) (= 0 (select |#valid| 0)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 44724#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (or (and (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (+ main_~data~0.offset 4))) (not (= |main_#t~mem12.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) |main_#t~mem12.offset|) (= 0 (select |#valid| 0)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= |main_#t~mem12.base| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 44725#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (or (= 8 (select |#length| main_~data~0.base)) (= main_~item~0.offset 0)) (or (= main_~item~0.base main_~data~0.base) (and (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (+ main_~data~0.offset 4))) (= 0 (select |#valid| 0)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.offset)))), 44726#(and (= main_~data~0.offset 0) (= |main_#t~mem13.offset| 0) (or (= main_~item~0.base main_~data~0.base) (and (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (+ main_~data~0.offset 4))) (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4)))) (= |main_#t~mem13.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ |main_#t~mem13.offset| 4)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (or (= 8 (select |#length| main_~data~0.base)) (= main_~item~0.offset 0))), 44727#(and (or (= main_~item~0.base main_~data~0.base) (and (not (= main_~item~0.base |main_#t~mem14.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) |main_#t~mem14.base|)) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (+ main_~data~0.offset 4))) (= 0 (select |#valid| 0)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.offset))) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (or (= 8 (select |#length| main_~data~0.base)) (= main_~item~0.offset 0))), 44728#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (or (= main_~item~0.base main_~data~0.base) (and (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (+ main_~data~0.offset 4))) (not (= main_~item~0.base main_~item2~0.base)) (= 0 (select |#valid| 0)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) main_~item2~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (or (= 8 (select |#length| main_~data~0.base)) (= main_~item~0.offset 0))), 44729#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (not (= 0 |main_#t~mem15.base|)) (or (= 8 (select |#length| main_~data~0.base)) (= main_~item~0.offset 0)) (or (= main_~item~0.base main_~data~0.base) (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|) main_~item2~0.base)) (not (= main_~item~0.base main_~item2~0.base)) (= 0 (select |#valid| 0)) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (+ main_~data~0.offset 4))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.offset)))), 44730#(and (= main_~data~0.offset 0) (not (= 0 main_~lItem~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset))) (or (and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset) main_~item2~0.base)) (not (= main_~item~0.base main_~item2~0.base)) (= 0 (select |#valid| 0)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.offset) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset)) (+ main_~data~0.offset 4)))) (= main_~item~0.base main_~data~0.base)) (or (= 8 (select |#length| main_~data~0.base)) (= main_~item~0.offset 0))), 44731#(and (not (= 0 |main_#t~mem17.base|)) (= main_~data~0.offset 0) (not (= 0 main_~lItem~0.base)) (or (= main_~item~0.base main_~data~0.base) (and (= main_~data~0.offset |main_#t~mem17.offset|) (= main_~data~0.base |main_#t~mem17.base|) (not (= |main_#t~mem17.base| main_~item2~0.base)) (= main_~data~0.offset (select (store (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset |main_#t~mem17.offset|) main_~data~0.offset |main_#t~mem17.offset|) (+ main_~data~0.offset 4))) (not (= main_~item~0.base main_~item2~0.base)) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) main_~item~0.offset))) (or (= 8 (select |#length| main_~data~0.base)) (= main_~item~0.offset 0))), 44732#(and (= main_~data~0.offset 0) (or (not (= main_~data~0.offset main_~item~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (not (= 0 main_~lItem~0.base)) (or (= 8 (select |#length| main_~data~0.base)) (= main_~item~0.offset 0)) (or (and (= main_~item~0.offset (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (+ main_~data~0.offset 4))) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (+ main_~data~0.offset 4))) (not (= main_~item~0.base main_~item2~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~item2~0.base)) (= 0 (select |#valid| 0)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~item~0.base main_~data~0.base))), 44733#(and (= main_~data~0.offset 0) (or (not (= main_~data~0.offset main_~item~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (or (= 8 (select |#length| main_~data~0.base)) (= main_~item~0.offset 0)) (or (and (= main_~item~0.offset (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (+ main_~data~0.offset 4))) (= main_~data~0.offset (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (+ main_~data~0.offset 4))) (not (= main_~item~0.base main_~item2~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~item2~0.base)) (= 0 (select |#valid| 0)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~item~0.base main_~data~0.base))), 44734#(and (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item~0.offset)) (not (= main_~dst~0.base main_~item~0.base))) (= main_~data~0.offset 0) (not (= main_~data~0.offset main_~dst~0.offset)) (or (= main_~dst~0.base main_~item~0.base) (and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (not (= main_~item~0.base main_~item2~0.base)) (= 0 (select |#valid| 0)) (not (= (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset) main_~item2~0.base)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~dst~0.base) main_~dst~0.offset)) (= main_~dst~0.offset 4))) (= main_~dst~0.base main_~data~0.base) (or (= 8 (select |#length| main_~data~0.base)) (= main_~item~0.offset 0))), 44735#(and (= main_~data~0.offset 0) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item~0.offset)) (not (= main_~dst~0.base main_~item~0.base))) (or (and (= 8 (select |#length| main_~data~0.base)) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base))) (= main_~data~0.offset main_~item~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (or (= main_~dst~0.base main_~item~0.base) (and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (not (= main_~item~0.base main_~item2~0.base)) (= 0 (select |#valid| 0)) (not (= (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset) main_~item2~0.base)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~dst~0.base) main_~dst~0.offset)) (= main_~dst~0.offset 4))) (= main_~dst~0.base main_~data~0.base)), 44736#(and (= main_~data~0.offset 0) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item~0.offset)) (not (= main_~dst~0.base main_~item~0.base))) (or (and (= 8 (select |#length| main_~data~0.base)) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base))) (= main_~data~0.offset main_~item~0.offset)) (not (= main_~data~0.offset main_~dst~0.offset)) (or (= main_~dst~0.base main_~item~0.base) (and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= 1 (select |#valid| main_~item2~0.base)) (not (= main_~item~0.base main_~item2~0.base)) (= 0 (select |#valid| 0)) (not (= (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset) main_~item2~0.base)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item~0.offset)) main_~dst~0.base) main_~dst~0.offset)) (= main_~dst~0.offset 4))) (= main_~dst~0.base main_~data~0.base)), 44737#(and (or (and (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~item~0.base) (or (not (= main_~dst~0.base main_~item~0.base)) (and (not (= main_~data~0.offset main_~item~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)))) (or (and (= 8 (select |#length| main_~data~0.base)) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~data~0.offset 0) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~dst~0.base main_~data~0.base) (or (and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= 1 (select |#valid| main_~item2~0.base)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset) main_~item2~0.base)) (= 0 (select |#valid| 0)) (= main_~dst~0.offset 4) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) (+ 0 4)) main_~item2~0.base))) (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))), 44738#(and (= main_~data~0.offset 0) (or (not (= 0 |main_#t~mem21.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base))) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~dst~0.base main_~data~0.base) (or (and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= 1 (select |#valid| main_~item2~0.base)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset) main_~item2~0.base)) (= 0 (select |#valid| 0)) (= main_~dst~0.offset 4) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) (+ 0 4)) main_~item2~0.base))) (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))), 44739#(and (or (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base)) (not (= 0 main_~item~0.base))) (= main_~data~0.offset 0) (not (= main_~data~0.offset main_~dst~0.offset)) (= main_~dst~0.base main_~data~0.base) (or (and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= 1 (select |#valid| main_~item2~0.base)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset) main_~item2~0.base)) (= 0 (select |#valid| 0)) (= main_~dst~0.offset 4) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) (+ 0 4)) main_~item2~0.base))) (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))), 44740#(and (= main_~data~0.offset 0) (or (and (= |main_#t~mem24.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4)) main_~item2~0.base)) (= 1 (select |#valid| main_~item2~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~item2~0.base)) (= main_~data~0.offset |main_#t~mem24.offset|) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= 0 main_~item~0.base))) (or (not (= |main_#t~mem24.base| main_~data~0.base)) (not (= 0 main_~item~0.base)))), 44741#(and (= main_~data~0.offset 0) (or (and (not (= (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset) main_~item2~0.base)) (= 1 (select |#valid| main_~item2~0.base)) (= 0 (select |#valid| 0)) (= main_~data~0.offset main_~dst~0.offset) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4)) main_~item2~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= 0 main_~item~0.base)))), 44742#(and (= main_~data~0.offset 0) (or (not (= main_~item~0.offset 0)) (and (not (= (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset) main_~item2~0.base)) (= 1 (select |#valid| main_~item2~0.base)) (= 0 (select |#valid| 0)) (= main_~data~0.offset main_~dst~0.offset) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4)) main_~item2~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= 0 main_~item~0.base)))), 44743#(and (= main_~data~0.offset 0) (not (= (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset) main_~item2~0.base)) (= 1 (select |#valid| main_~item2~0.base)) (= 0 (select |#valid| 0)) (= main_~data~0.offset main_~dst~0.offset) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4))) (not (= (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4)) main_~item2~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))), 44744#(and (= main_~data~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) 0))) (= 0 (select |#valid| 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) 0)))), 44745#(and (or (not (= |main_#t~mem27.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))) 0))) (not (= |main_#t~mem27.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))) 0))))) (= 0 (select |#valid| 0))), 44746#(or (and (not (= main_~data~0.base 0)) (or (and (= 1 (select (store |#valid| main_~data~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)))) (not (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))))) (not (= 1 (select |#valid| main_~data~0.base))) (<= (+ main_~data~0.offset 1) 0) (<= 1 main_~data~0.offset)), 44747#(and (= (select |#valid| main_~data~0.base) 1) (or (and (not (= main_~data~0.base 0)) (or (not (= main_~data~0.offset |main_#t~mem11.offset|)) (and (= 1 (select (store |#valid| main_~data~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)))))) (<= 1 main_~data~0.offset))), 44748#(and (or (and (= 1 (select (store |#valid| main_~data~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0))) (not (= main_~data~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)))) (<= 1 main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 44749#(and (or (<= 1 main_~data~0.offset) (and (not (= main_~data~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| |main_#t~mem28.base|) 0))) (= |main_#t~mem28.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) (= 1 (select (store |#valid| main_~data~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem28.base|) 0))))) (= (select |#valid| main_~data~0.base) 1)), 44750#(and (or (<= 1 main_~data~0.offset) (and (or (not (= main_~item~0.offset 0)) (and (= 1 (select (store |#valid| main_~data~0.base 0) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4)) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))))) (not (= main_~data~0.base 0)))) (= (select |#valid| main_~data~0.base) 1)), 44751#(or (and (not (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (not (= main_~item~0.offset 0))), 44752#(and (or (not (= main_~item2~0.offset 0)) (= 1 (select (store |#valid| main_~item2~0.base 0) (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (or (not (= 0 main_~item2~0.base)) (not (= main_~item2~0.offset 0)))), 44753#(and (or (not (= 0 main_~item2~0.base)) (not (= main_~item2~0.offset 0))) (or (= 1 (select (store |#valid| main_~item2~0.base 0) |main_#t~mem29.base|)) (not (= main_~item2~0.offset 0)))), 44754#(and (or (not (= 0 main_~item2~0.base)) (not (= main_~item2~0.offset 0))) (or (not (= main_~item2~0.offset 0)) (= 1 (select (store |#valid| main_~item2~0.base 0) main_~item~0.base)))), 44755#(= 1 (select |#valid| main_~item~0.base))] [2018-02-04 02:16:25,376 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:25,376 INFO L409 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-02-04 02:16:25,376 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-02-04 02:16:25,376 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=2625, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 02:16:25,376 INFO L87 Difference]: Start difference. First operand 355 states and 418 transitions. Second operand 53 states. [2018-02-04 02:16:27,011 WARN L146 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 145 DAG size of output 71 [2018-02-04 02:16:27,256 WARN L146 SmtUtils]: Spent 151ms on a formula simplification. DAG size of input: 164 DAG size of output 82 [2018-02-04 02:16:27,443 WARN L146 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 149 DAG size of output 91 [2018-02-04 02:16:27,950 WARN L146 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 152 DAG size of output 93 [2018-02-04 02:16:30,660 WARN L146 SmtUtils]: Spent 143ms on a formula simplification. DAG size of input: 136 DAG size of output 87 [2018-02-04 02:16:33,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:16:33,412 INFO L93 Difference]: Finished difference Result 392 states and 453 transitions. [2018-02-04 02:16:33,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-02-04 02:16:33,412 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 94 [2018-02-04 02:16:33,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:16:33,413 INFO L225 Difference]: With dead ends: 392 [2018-02-04 02:16:33,413 INFO L226 Difference]: Without dead ends: 392 [2018-02-04 02:16:33,413 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2736 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=946, Invalid=12164, Unknown=0, NotChecked=0, Total=13110 [2018-02-04 02:16:33,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2018-02-04 02:16:33,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 358. [2018-02-04 02:16:33,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-02-04 02:16:33,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 422 transitions. [2018-02-04 02:16:33,415 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 422 transitions. Word has length 94 [2018-02-04 02:16:33,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:16:33,415 INFO L432 AbstractCegarLoop]: Abstraction has 358 states and 422 transitions. [2018-02-04 02:16:33,415 INFO L433 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-02-04 02:16:33,415 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 422 transitions. [2018-02-04 02:16:33,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-02-04 02:16:33,416 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:16:33,416 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:16:33,416 INFO L371 AbstractCegarLoop]: === Iteration 72 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:16:33,416 INFO L82 PathProgramCache]: Analyzing trace with hash -333738759, now seen corresponding path program 1 times [2018-02-04 02:16:33,416 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:16:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:16:33,432 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:16:35,736 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:35,736 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:16:35,736 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-02-04 02:16:35,736 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:16:35,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:35,737 INFO L182 omatonBuilderFactory]: Interpolants [45630#true, 45631#false, 45632#(= 0 |main_#t~malloc1.offset|), 45633#(= main_~item~0.offset 0), 45634#(and (= 8 (select |#length| |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (not (= 0 |main_#t~malloc5.base|)) (= main_~item~0.offset 0)), 45635#(and (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 45636#(and (= 8 (select |#length| main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= main_~item~0.offset 0)), 45637#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= (select |#valid| main_~lItem~0.base) 1) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (= main_~item~0.offset 0) (= main_~data~0.base main_~lItem~0.base)), 45638#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 45639#(and (= 8 (select |#length| main_~data~0.base)) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (= 0 |main_#t~malloc1.offset|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 45640#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~item~0.offset) (= 0 main_~data~0.offset) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 45641#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~item~0.offset) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 45642#(and (or (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base |main_#t~malloc5.base|)) (= 0 main_~item~0.offset) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 45643#(and (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~item~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset)), 45644#(and (= main_~data~0.offset 0) (or (= main_~lItem~0.base main_~data~0.base) (and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~item~0.offset) (not (= 0 |main_#t~mem7.base|)) (= main_~data~0.base |main_#t~mem7.base|))) (= main_~lItem~0.offset 0)), 45645#(and (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~item~0.offset) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base main_~data~0.base))), 45646#(and (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~item~0.offset) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset))), 45647#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 45648#(and (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base |main_#t~mem11.base|)) (= main_~data~0.offset 0) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 45649#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 45650#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= |main_#t~mem13.offset| 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 45651#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= 0 |main_#t~mem14.offset|) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 45652#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= 0 main_~item2~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 45653#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= 0 main_~item2~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 45654#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset))) (= 0 main_~item2~0.offset)), 45655#(and (= 8 (select |#length| main_~data~0.base)) (not (= 0 |main_#t~mem17.base|)) (= main_~data~0.base |main_#t~mem17.base|) (= main_~data~0.offset 0) (= 0 main_~item2~0.offset)), 45656#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (or (not (= main_~data~0.offset main_~item~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= 0 main_~item2~0.offset)), 45657#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset 0) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item~0.offset)) (not (= main_~item~0.base main_~dst~0.base))) (= main_~dst~0.offset 4) (or (= main_~item~0.base main_~dst~0.base) (= 0 main_~item2~0.offset)) (= main_~dst~0.base main_~data~0.base)), 45658#(and (or (and (or (and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (= main_~data~0.offset main_~item~0.offset)) (not (= main_~item~0.base main_~dst~0.base))) (or (= main_~item~0.base main_~dst~0.base) (and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base) (= 0 main_~item2~0.offset) (= main_~item~0.offset 0)))) (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base) (not (= main_~item~0.offset main_~data~0.offset)))) (= main_~data~0.offset 0) (not (= main_~data~0.offset main_~dst~0.offset))), 45659#(and (= main_~data~0.offset 0) (or (and (or (and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (= main_~data~0.offset main_~item~0.offset)) (not (= main_~item~0.base main_~dst~0.base))) (or (= main_~item~0.base main_~dst~0.base) (and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base) (= 0 main_~item2~0.offset) (= main_~item~0.offset 0)))) (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= main_~dst~0.offset 4) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base) (not (= main_~item~0.offset main_~data~0.offset)))) (not (= main_~data~0.offset main_~dst~0.offset))), 45660#(and (= main_~data~0.offset 0) (not (= main_~data~0.offset main_~dst~0.offset)) (or (and (or (and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base) (= 0 main_~item2~0.offset) (= main_~item~0.offset 0)) (= main_~item~0.base main_~dst~0.base)) (or (and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (= main_~data~0.offset main_~item~0.offset)) (not (= main_~item~0.base main_~dst~0.base)))) (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= main_~dst~0.offset 4) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base) (not (= main_~item~0.offset main_~data~0.offset))))), 45661#(and (= main_~data~0.offset 0) (or (and (or (= main_~item~0.base main_~dst~0.base) (and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~item~0.base) (= (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 0) (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base) (= 0 main_~item2~0.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset))) (not (= main_~item~0.base main_~dst~0.base)))) (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~dst~0.base) (+ 0 4)) 0)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) main_~data~0.offset)) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base))) (not (= main_~data~0.offset main_~dst~0.offset))), 45662#(and (= main_~data~0.offset 0) (not (= main_~data~0.offset main_~dst~0.offset)) (or (and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 0) (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base) (= 0 main_~item2~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base))) (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~dst~0.base) (+ 0 4)) 0)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) main_~data~0.offset)) (= main_~dst~0.base main_~data~0.base)) (not (= 0 |main_#t~mem21.base|)))), 45663#(and (= main_~data~0.offset 0) (not (= main_~data~0.offset main_~dst~0.offset)) (or (and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 0) (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base) (= 0 main_~item2~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base))) (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (not (= (select (select |#memory_$Pointer$.offset| main_~dst~0.base) (+ 0 4)) 0)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) main_~data~0.offset)) (= main_~dst~0.base main_~data~0.base)) (not (= 0 main_~item~0.base)))), 45664#(and (= main_~data~0.offset 0) (or (and (= |main_#t~mem24.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) (not (= |main_#t~mem24.base| main_~data~0.base)) (= |main_#t~mem24.offset| 0) (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= 0 main_~item2~0.offset)) (and (= 8 (select |#length| main_~data~0.base)) (not (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ 0 4)) 0)) (not (= |main_#t~mem24.offset| main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (<= (+ |main_#t~mem24.offset| 8) (select |#length| |main_#t~mem24.base|))) (not (= 0 main_~item~0.base)))), 45665#(and (= main_~data~0.offset 0) (or (and (= (select |#length| main_~dst~0.base) 8) (< main_~dst~0.offset main_~data~0.offset)) (and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4)) 0))) (and (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4))) (= main_~dst~0.offset 0) (= 0 main_~item2~0.offset) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= 0 main_~item~0.base)))), 45666#(and (= main_~data~0.offset 0) (or (and (= (select |#length| main_~dst~0.base) 8) (< main_~dst~0.offset main_~data~0.offset)) (not (= main_~item~0.offset 0)) (and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4)) 0))) (and (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4))) (= main_~dst~0.offset 0) (= 0 main_~item2~0.offset) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))) (not (= 0 main_~item~0.base)))), 45667#(and (= main_~data~0.offset 0) (or (and (= (select |#length| main_~dst~0.base) 8) (< main_~dst~0.offset main_~data~0.offset)) (and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4)) 0))) (and (<= (+ main_~item2~0.offset 8) (select |#length| main_~item2~0.base)) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4))) (= main_~dst~0.offset 0) (= 0 main_~item2~0.offset) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))))), 45668#(and (= main_~data~0.offset 0) (or (and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) 0) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)) 0)))), 45669#(or (and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))) 0) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))) 0))) (not (= (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) (+ 0 4)) 0))), 45670#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)))) (not (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) 0)) (<= (+ main_~data~0.offset 1) 0) (<= 1 main_~data~0.offset)), 45671#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0) 8) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)))) (not (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) 0)) (<= 1 main_~data~0.offset)), 45672#(or (and (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem28.base|) 0) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem28.base|) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem28.base|) 0))) (<= 1 main_~data~0.offset) (and (= |main_#t~mem28.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) 0)))), 45673#(or (and (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)) 0))) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0))) (<= 1 main_~data~0.offset)), 45674#(or (not (= main_~item~0.offset 0)) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0)))), 45675#(or (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~item~0.base) 0))) (= main_~item~0.offset main_~item2~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0))) (not (= main_~item2~0.offset 0))), 45676#(or (not (= 0 main_~item2~0.offset)) (and (= 0 |main_#t~mem29.offset|) (<= (+ |main_#t~mem29.offset| 8) (select |#length| |main_#t~mem29.base|)))), 45677#(or (not (= 0 main_~item2~0.offset)) (and (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~item~0.offset 0))), 45678#(and (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~item~0.offset 0))] [2018-02-04 02:16:35,737 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:35,737 INFO L409 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-02-04 02:16:35,737 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-02-04 02:16:35,737 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=2228, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 02:16:35,737 INFO L87 Difference]: Start difference. First operand 358 states and 422 transitions. Second operand 49 states. [2018-02-04 02:16:38,727 WARN L146 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 121 DAG size of output 70 [2018-02-04 02:16:39,084 WARN L146 SmtUtils]: Spent 191ms on a formula simplification. DAG size of input: 125 DAG size of output 83 [2018-02-04 02:16:41,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:16:41,330 INFO L93 Difference]: Finished difference Result 376 states and 439 transitions. [2018-02-04 02:16:41,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-02-04 02:16:41,330 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 94 [2018-02-04 02:16:41,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:16:41,331 INFO L225 Difference]: With dead ends: 376 [2018-02-04 02:16:41,331 INFO L226 Difference]: Without dead ends: 376 [2018-02-04 02:16:41,332 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3106 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=898, Invalid=11312, Unknown=0, NotChecked=0, Total=12210 [2018-02-04 02:16:41,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2018-02-04 02:16:41,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 341. [2018-02-04 02:16:41,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2018-02-04 02:16:41,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 404 transitions. [2018-02-04 02:16:41,334 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 404 transitions. Word has length 94 [2018-02-04 02:16:41,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:16:41,334 INFO L432 AbstractCegarLoop]: Abstraction has 341 states and 404 transitions. [2018-02-04 02:16:41,334 INFO L433 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-02-04 02:16:41,334 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 404 transitions. [2018-02-04 02:16:41,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 02:16:41,334 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:16:41,334 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:16:41,334 INFO L371 AbstractCegarLoop]: === Iteration 73 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:16:41,334 INFO L82 PathProgramCache]: Analyzing trace with hash -528210331, now seen corresponding path program 1 times [2018-02-04 02:16:41,335 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:16:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:16:41,350 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:16:43,230 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:43,230 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:16:43,350 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-02-04 02:16:43,351 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:16:43,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:43,351 INFO L182 omatonBuilderFactory]: Interpolants [46528#(and (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 46529#(and (= 8 (select |#length| main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= main_~item~0.offset 0)), 46530#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= (select |#valid| main_~lItem~0.base) 1) (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset) (= main_~item~0.offset 0) (= main_~data~0.base main_~lItem~0.base)), 46531#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 46532#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset |main_#t~malloc1.offset|) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 46533#(and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 main_~data~0.offset) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset main_~item~0.offset)), 46534#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset main_~item~0.offset)), 46535#(and (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base |main_#t~malloc5.base|)) (= 0 main_~data~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|) (= main_~data~0.offset main_~item~0.offset)), 46536#(and (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset) (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset main_~item~0.offset)) (= main_~lItem~0.base main_~data~0.base))), 46537#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset |main_#t~mem7.offset|)) main_~data~0.base) (+ main_~data~0.offset 4))) (not (= 0 |main_#t~mem7.base|)) (= main_~data~0.base |main_#t~mem7.base|) (= main_~data~0.offset main_~item~0.offset)) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0)), 46538#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset) (+ main_~data~0.offset 4))) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset main_~item~0.offset)) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0)), 46539#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) (+ main_~data~0.offset 4))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset main_~item~0.offset)) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset))), 46540#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 46541#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|)) (= main_~data~0.base |main_#t~mem11.base|)) (= main_~data~0.offset |main_#t~mem11.offset|)), 46542#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 46543#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= 0 |main_#t~mem12.offset|) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 46544#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~item~0.offset 0)), 46545#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4))) (= |main_#t~mem13.offset| 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~item~0.offset 0)), 46546#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset |main_#t~mem14.offset|) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~item~0.offset 0)), 46547#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.offset main_~item2~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~item~0.offset 0)), 46548#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= main_~data~0.offset main_~item2~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= main_~item~0.offset 0)), 46549#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.offset main_~item2~0.offset) (= main_~item~0.offset 0)), 46550#(and (not (= 0 |main_#t~mem17.base|)) (= main_~data~0.base |main_#t~mem17.base|) (= main_~data~0.offset 0) (= main_~data~0.offset main_~item2~0.offset) (= main_~item~0.offset 0)), 46551#(and (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset main_~item2~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~item~0.offset 0)), 46552#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (not (= main_~dst~0.base main_~item2~0.base))) (= main_~data~0.offset main_~item2~0.offset) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (= main_~dst~0.base main_~data~0.base) (= main_~item~0.offset 0)), 46553#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))) (not (= main_~dst~0.base main_~item2~0.base))) (= main_~data~0.offset main_~item2~0.offset) (= main_~dst~0.base main_~data~0.base) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (not (= 0 main_~item~0.base)) (= main_~item~0.offset 0)), 46554#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (or (not (= 0 (select (select |#memory_$Pointer$.base| main_~item2~0.base) main_~item2~0.offset))) (and (= main_~item2~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)) (not (= main_~dst~0.base main_~item2~0.base)))) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (= main_~dst~0.base main_~data~0.base) (not (= 0 main_~item~0.base)) (= main_~item~0.offset 0)), 46555#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (or (not (= 0 |main_#t~mem23.base|)) (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (= main_~dst~0.base main_~data~0.base) (not (= 0 main_~item~0.base)) (= main_~item~0.offset 0)), 46556#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (= (+ main_~data~0.offset 4) main_~dst~0.offset) (= main_~dst~0.base main_~data~0.base) (not (= 0 main_~item~0.base)) (or (not (= 0 main_~item2~0.base)) (not (= main_~dst~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)))) (= main_~item~0.offset 0)), 46557#(and (= |main_#t~mem24.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) (= main_~data~0.offset 0) (= main_~data~0.offset |main_#t~mem24.offset|) (or (not (= 0 main_~item2~0.base)) (not (= main_~data~0.base |main_#t~mem24.base|))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (not (= 0 main_~item~0.base)) (= main_~item~0.offset 0)), 46558#(and (= main_~data~0.offset 0) (or (and (not (= 0 main_~item2~0.base)) (or (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (= main_~data~0.offset main_~dst~0.offset)) (and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) (+ 0 4))) (= main_~dst~0.offset 0) (= main_~item~0.offset 0)))), 46559#(and (= main_~data~0.offset 0) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base)) main_~data~0.base) (+ 0 4))) (= main_~dst~0.offset 0) (= main_~item~0.offset 0)), 46560#(and (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 46561#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))) 0)), 46562#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (<= (+ main_~data~0.offset 1) 0) (<= 1 main_~data~0.offset)), 46563#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (<= 1 main_~data~0.offset)), 46564#(or (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem28.base|) 0)) (<= 1 main_~data~0.offset)), 46565#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0)) (<= 1 main_~data~0.offset)), 46566#(= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0)), 46567#(and (= main_~item~0.offset main_~item2~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0))), 46568#(or (= 0 |main_#t~mem29.offset|) (not (= 0 main_~item2~0.offset))), 46569#(or (= 0 main_~item~0.offset) (not (= 0 main_~item2~0.offset))), 46570#(= 0 main_~item2~0.offset), 46523#true, 46524#false, 46525#(= 0 |main_#t~malloc1.offset|), 46526#(= 0 main_~item~0.offset), 46527#(and (= 8 (select |#length| |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (not (= 0 |main_#t~malloc5.base|)) (= main_~item~0.offset 0))] [2018-02-04 02:16:43,351 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:43,351 INFO L409 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-02-04 02:16:43,352 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-02-04 02:16:43,352 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=2092, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 02:16:43,352 INFO L87 Difference]: Start difference. First operand 341 states and 404 transitions. Second operand 48 states. [2018-02-04 02:16:47,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:16:47,707 INFO L93 Difference]: Finished difference Result 408 states and 473 transitions. [2018-02-04 02:16:47,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-02-04 02:16:47,707 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 95 [2018-02-04 02:16:47,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:16:47,708 INFO L225 Difference]: With dead ends: 408 [2018-02-04 02:16:47,708 INFO L226 Difference]: Without dead ends: 408 [2018-02-04 02:16:47,709 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 5 SyntacticMatches, 5 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3205 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=1158, Invalid=10614, Unknown=0, NotChecked=0, Total=11772 [2018-02-04 02:16:47,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-02-04 02:16:47,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 360. [2018-02-04 02:16:47,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-02-04 02:16:47,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 423 transitions. [2018-02-04 02:16:47,711 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 423 transitions. Word has length 95 [2018-02-04 02:16:47,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:16:47,711 INFO L432 AbstractCegarLoop]: Abstraction has 360 states and 423 transitions. [2018-02-04 02:16:47,711 INFO L433 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-02-04 02:16:47,711 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 423 transitions. [2018-02-04 02:16:47,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 02:16:47,711 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:16:47,712 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 02:16:47,712 INFO L371 AbstractCegarLoop]: === Iteration 74 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:16:47,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1399603961, now seen corresponding path program 1 times [2018-02-04 02:16:47,712 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:16:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:16:47,726 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:16:49,665 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:49,665 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:16:49,665 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-02-04 02:16:49,665 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:16:49,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:49,665 INFO L182 omatonBuilderFactory]: Interpolants [47488#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)))), 47489#(and (= main_~data~0.base |main_#t~mem17.base|) (= 8 (select |#length| main_~data~0.base)) (not (= 0 |main_#t~mem17.base|)) (= main_~item2~0.offset 0) (= main_~data~0.offset 0)), 47490#(and (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (or (not (= main_~data~0.offset main_~item~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 47491#(and (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.offset 0) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item~0.offset)) (not (= main_~dst~0.base main_~item~0.base))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= main_~data~0.offset 0) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base)), 47492#(and (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (or (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset))) (not (= main_~data~0.offset main_~item~0.offset)) (not (= main_~dst~0.base main_~item~0.base))) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item~0.base) main_~data~0.offset)) (= main_~dst~0.offset 4) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base)), 47493#(and (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~item~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset)) (= main_~item~0.offset (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset)) (or (not (= main_~data~0.offset main_~item~0.offset)) (not (= main_~dst~0.base main_~item~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset)))) (= main_~dst~0.offset 4) (<= (+ main_~item~0.offset 8) (select |#length| main_~item~0.base)) (= main_~dst~0.base main_~data~0.base)), 47494#(and (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset))) (not (= 0 |main_#t~mem21.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base))) (<= (+ (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base)), 47495#(and (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.offset 0) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~data~0.offset)) (= main_~data~0.offset 0) (or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset) main_~dst~0.base)) (not (= 0 main_~item~0.base))) (<= (+ (select (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset))) (= main_~dst~0.offset 4) (= main_~dst~0.base main_~data~0.base)), 47496#(and (= 8 (select |#length| main_~data~0.base)) (= |main_#t~mem24.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (= |main_#t~mem24.offset| (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ 0 4))) (or (not (= 0 |main_#t~mem24.offset|)) (not (= |main_#t~mem24.base| main_~data~0.base)) (not (= 0 main_~item~0.base))) (<= (+ |main_#t~mem24.offset| 8) (select |#length| |main_#t~mem24.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 47497#(and (= main_~data~0.offset 0) (or (and (<= (+ main_~dst~0.offset 8) (select |#length| main_~dst~0.base)) (or (not (= 0 main_~dst~0.offset)) (not (= 0 main_~item~0.base))) (or (= (select |#length| main_~dst~0.base) 8) (= 0 main_~dst~0.offset))) (and (or (and (= main_~dst~0.offset (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))) (= 0 main_~dst~0.offset)) (or (not (= 0 main_~dst~0.offset)) (and (= main_~item2~0.offset 0) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))))))), 47498#(and (= main_~data~0.offset 0) (or (and (or (and (= main_~dst~0.offset (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))) (= 0 main_~dst~0.offset)) (or (not (= 0 main_~dst~0.offset)) (and (= main_~item2~0.offset 0) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))))) (and (<= (+ main_~dst~0.offset 8) (select |#length| main_~dst~0.base)) (or (not (= 0 main_~dst~0.offset)) (not (= main_~item~0.offset 0)) (not (= 0 main_~item~0.base))) (or (= (select |#length| main_~dst~0.base) 8) (= 0 main_~dst~0.offset))))), 47499#(and (= main_~data~0.offset 0) (or (and (<= (+ main_~dst~0.offset 8) (select |#length| main_~dst~0.base)) (not (= main_~dst~0.offset 0)) (= (select |#length| main_~dst~0.base) 8)) (and (or (and (= main_~dst~0.offset (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) main_~data~0.base) (+ 0 4))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))) (= 0 main_~dst~0.offset)) (or (not (= 0 main_~dst~0.offset)) (and (= main_~item2~0.offset 0) (= main_~dst~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) (+ 0 4))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) main_~data~0.base) main_~data~0.offset))))))), 47500#(and (= main_~data~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ 0 4))) 0)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4)))))), 47501#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) (+ 0 4))) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) (+ 0 4))))), 47502#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))) (not (= 1 (select |#valid| main_~data~0.base))) (<= (+ main_~data~0.offset 1) 0) (<= 1 main_~data~0.offset)), 47503#(and (or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) (+ main_~data~0.offset 4))) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) (+ main_~data~0.offset 4)))) (<= 1 main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 47504#(and (or (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem28.base|) 0)) (<= 1 main_~data~0.offset) (not (= 0 |main_#t~mem28.offset|))) (= (select |#valid| main_~data~0.base) 1)), 47505#(and (or (not (= 0 main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0)) (<= 1 main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 47506#(or (not (= 0 main_~item~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0))), 47507#(or (and (= main_~item~0.offset main_~item2~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~item~0.base) 0))) (not (= 0 main_~item2~0.offset))), 47508#(or (= 0 |main_#t~mem29.offset|) (not (= 0 main_~item2~0.offset))), 47509#(or (= 0 main_~item~0.offset) (not (= 0 main_~item2~0.offset))), 47510#(= 0 main_~item2~0.offset), 47464#true, 47465#false, 47466#(= 0 |main_#t~malloc1.offset|), 47467#(= main_~item~0.offset 0), 47468#(and (= 8 (select |#length| |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (not (= 0 |main_#t~malloc5.base|)) (= main_~item~0.offset 0)), 47469#(and (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 main_~lItem~0.base)) (= 0 main_~lItem~0.offset) (= main_~item~0.offset 0)), 47470#(and (= 1 (select |#valid| main_~lItem~0.base)) (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= 0 main_~lItem~0.offset) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= main_~item~0.offset 0)), 47471#(and (= 1 (select |#valid| main_~lItem~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= 8 (select |#length| main_~lItem~0.base)) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= 0 main_~data~0.offset) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base) (= main_~item~0.offset 0)), 47472#(and (= 8 (select |#length| main_~data~0.base)) (= 1 (select |#valid| main_~data~0.base)) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 47473#(and (= 8 (select |#length| main_~data~0.base)) (not (= |main_#t~malloc1.base| main_~data~0.base)) (= 0 main_~data~0.offset) (= 0 |main_#t~malloc1.offset|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 47474#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~item~0.offset) (= 0 main_~data~0.offset) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 47475#(and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~item~0.offset) (= 0 main_~data~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 47476#(and (= 0 main_~item~0.offset) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base |main_#t~malloc5.base|)) (= 0 main_~data~0.offset) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.offset |main_#t~malloc5.offset|)), 47477#(and (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~item~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~lItem~0.offset 0) (= 0 main_~data~0.offset)), 47478#(and (= main_~data~0.offset 0) (or (= main_~lItem~0.base main_~data~0.base) (and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~item~0.offset) (not (= 0 |main_#t~mem7.base|)) (= main_~data~0.base |main_#t~mem7.base|))) (= main_~lItem~0.offset 0)), 47479#(and (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~item~0.offset) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base main_~data~0.base))), 47480#(and (= main_~data~0.offset 0) (= main_~lItem~0.offset 0) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~data~0.offset)) (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 main_~item~0.offset) (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset))), 47481#(and (= main_~data~0.offset 0) (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.offset (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 47482#(and (= main_~data~0.offset 0) (or (= main_~data~0.base |main_#t~mem11.base|) (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset) |main_#t~mem11.offset|))) (= main_~data~0.offset |main_#t~mem11.offset|)), 47483#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (+ 0 4))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 47484#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= |main_#t~mem13.offset| 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem13.base|) (+ |main_#t~mem13.offset| 4))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 47485#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.offset 0) (= 0 |main_#t~mem14.offset|) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 47486#(and (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 47487#(and (= 8 (select |#length| main_~data~0.base)) (= main_~item2~0.offset 0) (= main_~data~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))] [2018-02-04 02:16:49,666 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:49,666 INFO L409 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-02-04 02:16:49,666 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-02-04 02:16:49,666 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=2024, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 02:16:49,666 INFO L87 Difference]: Start difference. First operand 360 states and 423 transitions. Second operand 47 states. [2018-02-04 02:16:53,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:16:53,697 INFO L93 Difference]: Finished difference Result 410 states and 475 transitions. [2018-02-04 02:16:53,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-02-04 02:16:53,697 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 96 [2018-02-04 02:16:53,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:16:53,698 INFO L225 Difference]: With dead ends: 410 [2018-02-04 02:16:53,698 INFO L226 Difference]: Without dead ends: 410 [2018-02-04 02:16:53,698 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 7 SyntacticMatches, 5 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2981 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=977, Invalid=10365, Unknown=0, NotChecked=0, Total=11342 [2018-02-04 02:16:53,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-02-04 02:16:53,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 343. [2018-02-04 02:16:53,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-02-04 02:16:53,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 406 transitions. [2018-02-04 02:16:53,701 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 406 transitions. Word has length 96 [2018-02-04 02:16:53,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:16:53,701 INFO L432 AbstractCegarLoop]: Abstraction has 343 states and 406 transitions. [2018-02-04 02:16:53,701 INFO L433 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-02-04 02:16:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 406 transitions. [2018-02-04 02:16:53,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 02:16:53,701 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:16:53,701 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2018-02-04 02:16:53,701 INFO L371 AbstractCegarLoop]: === Iteration 75 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:16:53,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1201870594, now seen corresponding path program 1 times [2018-02-04 02:16:53,702 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:16:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:16:53,717 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:16:54,588 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 29 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:54,588 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:16:54,588 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 02:16:54,588 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:16:54,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:54,588 INFO L182 omatonBuilderFactory]: Interpolants [48387#true, 48388#false, 48389#(and (= (select |#valid| main_~lItem~0.base) 1) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))), 48390#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 48391#(and (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 48392#(and (not (= main_~data~0.base |main_#t~malloc1.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 48393#(and (not (= main_~item~0.base main_~data~0.base)) (= (select |#valid| main_~data~0.base) 1) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 48394#(and (= (select |#valid| main_~item~0.base) 1) (not (= main_~item~0.base main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 48395#(and (not (= main_~data~0.base |main_#t~malloc5.base|)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 48396#(and (not (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 48397#(and (not (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.base |main_#t~mem7.base|) (= (select |#valid| main_~data~0.base) 1)), 48398#(and (not (= main_~lItem~0.base main_~data~0.base)) (= (select |#valid| main_~data~0.base) (select |#valid| main_~lItem~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 48399#(and (not (= main_~lItem~0.base main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= (select |#valid| main_~data~0.base) (select |#valid| main_~lItem~0.base)) (= main_~lItem~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 48400#(and (= (select |#valid| main_~data~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select |#valid| main_~data~0.base) 1) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 48401#(and (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) |main_#t~malloc1.base|)) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= (select |#valid| main_~data~0.base) 1) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 48402#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset) main_~data~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (not (= main_~data~0.base main_~item~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= (select |#valid| main_~data~0.base) 1)), 48403#(and (not (= main_~data~0.base main_~item~0.base)) (= (select |#valid| main_~data~0.base) 1) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 48404#(and (not (= main_~data~0.base |main_#t~malloc5.base|)) (not (= main_~data~0.base main_~item~0.base)) (not (= 0 |main_#t~malloc5.base|)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 48405#(and (or (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (and (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))))) (not (= 0 main_~lItem~0.base)) (not (= main_~data~0.base main_~item~0.base)) (not (= main_~data~0.base main_~lItem~0.base))), 48406#(and (not (= 0 main_~lItem~0.base)) (not (= main_~data~0.base main_~item~0.base)) (not (= main_~data~0.base main_~lItem~0.base)) (or (and (not (= main_~data~0.base |main_#t~mem7.base|)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset |main_#t~mem7.base|)) |main_#t~mem7.base|) |main_#t~mem7.offset|))) (= main_~lItem~0.base |main_#t~mem7.base|))), 48407#(and (not (= 0 main_~lItem~0.base)) (not (= main_~data~0.base main_~item~0.base)) (not (= main_~data~0.base main_~lItem~0.base)) (or (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset))) (not (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)))))), 48408#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (not (= main_~data~0.base main_~item~0.base)) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= main_~data~0.base main_~lItem~0.base)) (or (and (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset))) (not (= (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset) main_~data~0.base))) (= (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset) (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)))), 48409#(and (or (and (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) main_~data~0.base))) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 48410#(and (not (= 0 |main_#t~mem15.base|)) (or (and (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))))), 48411#(and (not (= 0 main_~lItem~0.base)) (or (and (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset) main_~data~0.base))) (and (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset))))), 48412#(and (not (= 0 main_~lItem~0.base)) (or (and (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) |main_#t~mem17.base|) (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (and (not (= |main_#t~mem17.base| main_~data~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset |main_#t~mem17.base|)) |main_#t~mem17.base|) |main_#t~mem17.offset|))))), 48413#(and (not (= 0 main_~lItem~0.base)) (or (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))))), 48414#(or (not (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (and (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))))), 48415#(and (= main_~data~0.base main_~dst~0.base) (not (= main_~data~0.offset main_~dst~0.offset)) (or (not (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset) main_~data~0.offset))))), 48416#(or (not (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 48417#(or (not (= 1 (select |#valid| |main_#t~mem27.base|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)))), 48418#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (not (= 1 (select |#valid| main_~data~0.base)))), 48419#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= (select |#valid| main_~data~0.base) 1)), 48420#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 48421#(= 1 (select |#valid| |main_#t~mem13.base|))] [2018-02-04 02:16:54,589 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 29 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:54,589 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 02:16:54,589 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 02:16:54,589 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1069, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 02:16:54,589 INFO L87 Difference]: Start difference. First operand 343 states and 406 transitions. Second operand 35 states. [2018-02-04 02:16:56,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 02:16:56,501 INFO L93 Difference]: Finished difference Result 441 states and 508 transitions. [2018-02-04 02:16:56,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 02:16:56,501 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 96 [2018-02-04 02:16:56,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 02:16:56,502 INFO L225 Difference]: With dead ends: 441 [2018-02-04 02:16:56,502 INFO L226 Difference]: Without dead ends: 441 [2018-02-04 02:16:56,503 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 755 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=419, Invalid=3487, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 02:16:56,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-02-04 02:16:56,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 394. [2018-02-04 02:16:56,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2018-02-04 02:16:56,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 461 transitions. [2018-02-04 02:16:56,505 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 461 transitions. Word has length 96 [2018-02-04 02:16:56,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 02:16:56,505 INFO L432 AbstractCegarLoop]: Abstraction has 394 states and 461 transitions. [2018-02-04 02:16:56,505 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 02:16:56,505 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 461 transitions. [2018-02-04 02:16:56,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 02:16:56,505 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 02:16:56,506 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2018-02-04 02:16:56,506 INFO L371 AbstractCegarLoop]: === Iteration 76 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 02:16:56,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1201870595, now seen corresponding path program 1 times [2018-02-04 02:16:56,506 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 02:16:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 02:16:56,533 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 02:16:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 25 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:57,681 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 02:16:57,681 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 02:16:57,681 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 02:16:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:57,682 INFO L182 omatonBuilderFactory]: Interpolants [49344#(or (not (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))) (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))))), 49345#(and (= main_~data~0.base main_~dst~0.base) (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~dst~0.base (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset)) (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~dst~0.base (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base)) (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset)) (select (store (select |#memory_$Pointer$.offset| main_~dst~0.base) main_~dst~0.offset main_~item2~0.offset) main_~data~0.offset)))) (not (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| main_~dst~0.base) main_~dst~0.offset main_~item2~0.base) main_~data~0.offset))))) (not (= main_~data~0.offset main_~dst~0.offset))), 49346#(or (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))))), 49347#(or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem27.base|) |main_#t~mem27.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem27.base|) |main_#t~mem27.offset|)))) (not (= 1 (select |#valid| |main_#t~mem27.base|)))), 49348#(or (not (= 1 (select |#valid| main_~data~0.base))) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 49349#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 49350#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))), 49351#(and (= |main_#t~mem13.offset| 0) (= 8 (select |#length| |main_#t~mem13.base|))), 49316#true, 49317#false, 49318#(and (= 0 |main_#t~malloc5.offset|) (= 8 (select |#length| |main_#t~malloc5.base|))), 49319#(and (= 8 (select |#length| main_~lItem~0.base)) (= 0 main_~lItem~0.offset)), 49320#(and (= 8 (select |#length| main_~lItem~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= main_~lItem~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))), 49321#(and (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= 8 (select |#length| main_~lItem~0.base)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (= main_~data~0.offset main_~lItem~0.offset) (= main_~data~0.base main_~lItem~0.base)), 49322#(and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 49323#(and (= 8 (select |#length| main_~data~0.base)) (not (= main_~data~0.base |main_#t~malloc1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 49324#(and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (not (= main_~item~0.base main_~data~0.base)) (= (select |#valid| main_~data~0.base) 1) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))), 49325#(and (= 8 (select |#length| main_~data~0.base)) (not (= main_~data~0.base |main_#t~malloc5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 49326#(and (= 8 (select |#length| main_~data~0.base)) (not (= main_~data~0.base main_~lItem~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))), 49327#(and (= 8 (select |#length| main_~data~0.base)) (not (= main_~lItem~0.base main_~data~0.base)) (= 0 |main_#t~mem7.offset|) (= main_~data~0.base |main_#t~mem7.base|) (= (select |#valid| main_~data~0.base) 1)), 49328#(and (= 8 (select |#length| main_~data~0.base)) (= (select |#valid| main_~lItem~0.base) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset)) (not (= main_~data~0.base main_~lItem~0.base)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (= (select |#valid| main_~data~0.base) 1)), 49329#(and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (= main_~lItem~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset)) (= (select |#valid| main_~lItem~0.base) 1) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (not (= main_~data~0.base main_~lItem~0.base)) (= (select |#valid| main_~data~0.base) 1)), 49330#(and (= 8 (select |#length| main_~data~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) 1) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (= (select |#valid| main_~data~0.base) 1) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 49331#(and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (not (= (select |#valid| main_~data~0.base) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) |main_#t~malloc1.base|)) (not (= main_~data~0.base |main_#t~malloc1.base|)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 49332#(and (= 8 (select |#length| main_~data~0.base)) (not (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~item~0.base (store (select |#memory_$Pointer$.offset| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset))) (not (= (select |#valid| main_~data~0.base) 0)) (not (= main_~data~0.base main_~item~0.base)) (not (= main_~item~0.base (select (select (store |#memory_$Pointer$.base| main_~item~0.base (store (select |#memory_$Pointer$.base| main_~item~0.base) main_~item~0.offset 0)) main_~data~0.base) main_~data~0.offset)))), 49333#(and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (not (= (select |#valid| main_~data~0.base) 0)) (not (= main_~data~0.base main_~item~0.base)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 49334#(and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (not (= main_~data~0.base |main_#t~malloc5.base|)) (not (= main_~data~0.base main_~item~0.base)) (not (= 0 |main_#t~malloc5.base|)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))), 49335#(and (or (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))))) (not (= 0 main_~lItem~0.base)) (not (= main_~data~0.base main_~item~0.base)) (not (= main_~data~0.base main_~lItem~0.base))), 49336#(and (not (= 0 main_~lItem~0.base)) (or (and (= 8 (select |#length| main_~data~0.base)) (not (= main_~data~0.base |main_#t~mem7.base|)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset |main_#t~mem7.base|)) |main_#t~mem7.base|) |main_#t~mem7.offset|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset |main_#t~mem7.offset|)) |main_#t~mem7.base|) |main_#t~mem7.offset|))) (= main_~lItem~0.base |main_#t~mem7.base|)) (not (= main_~data~0.base main_~item~0.base)) (not (= main_~data~0.base main_~lItem~0.base))), 49337#(and (not (= 0 main_~lItem~0.base)) (not (= main_~data~0.base main_~item~0.base)) (not (= main_~data~0.base main_~lItem~0.base)) (or (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset main_~lItem~0.offset)) main_~lItem~0.base) main_~lItem~0.offset))) (not (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset main_~lItem~0.base)) main_~lItem~0.base) main_~lItem~0.offset)))))), 49338#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset))) (= main_~lItem~0.offset (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) main_~data~0.base) main_~data~0.offset)) (not (= main_~data~0.base main_~item~0.base)) (= main_~lItem~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset)) (or (= (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) main_~data~0.base) main_~data~0.offset) (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~lItem~0.base (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset)) (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset))) (not (= main_~data~0.base (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset))) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~lItem~0.base (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base)) (select (store (select |#memory_$Pointer$.base| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.base) main_~lItem~0.offset)) (select (store (select |#memory_$Pointer$.offset| main_~lItem~0.base) (+ main_~lItem~0.offset 4) main_~item~0.offset) main_~lItem~0.offset))))) (not (= main_~data~0.base main_~lItem~0.base))), 49339#(and (or (and (= 8 (select |#length| main_~data~0.base)) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))))) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)))), 49340#(and (or (and (= 8 (select |#length| main_~data~0.base)) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (not (= 0 |main_#t~mem15.base|))), 49341#(and (or (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)) (select (select |#memory_$Pointer$.offset| main_~lItem~0.base) main_~lItem~0.offset))) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)))) (and (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) (select (select |#memory_$Pointer$.base| main_~lItem~0.base) main_~lItem~0.offset)))) (not (= 0 main_~lItem~0.base))), 49342#(and (or (and (= (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset) |main_#t~mem17.base|) (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (and (= 8 (select |#length| main_~data~0.base)) (not (= main_~data~0.base |main_#t~mem17.base|)) (= main_~data~0.base (select (select (store |#memory_$Pointer$.base| main_~data~0.base (store (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset |main_#t~mem17.base|)) |main_#t~mem17.base|) |main_#t~mem17.offset|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~data~0.base (store (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset |main_#t~mem17.offset|)) |main_#t~mem17.base|) |main_#t~mem17.offset|)))) (not (= 0 main_~lItem~0.base))), 49343#(and (or (= main_~lItem~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (and (= 8 (select |#length| main_~data~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))) (not (= main_~data~0.base (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset))) (= main_~data~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~data~0.base) main_~data~0.offset)) (select (select |#memory_$Pointer$.offset| main_~data~0.base) main_~data~0.offset))))) (not (= 0 main_~lItem~0.base)))] [2018-02-04 02:16:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 25 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 02:16:57,682 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 02:16:57,682 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 02:16:57,682 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1146, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 02:16:57,682 INFO L87 Difference]: Start difference. First operand 394 states and 461 transitions. Second operand 36 states. Received shutdown request... [2018-02-04 02:16:57,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 02:16:57,995 WARN L491 AbstractCegarLoop]: Verification canceled [2018-02-04 02:16:58,004 WARN L185 ceAbstractionStarter]: Timeout [2018-02-04 02:16:58,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 02:16:58 BoogieIcfgContainer [2018-02-04 02:16:58,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 02:16:58,005 INFO L168 Benchmark]: Toolchain (without parser) took 181526.13 ms. Allocated memory was 394.3 MB in the beginning and 813.7 MB in the end (delta: 419.4 MB). Free memory was 348.3 MB in the beginning and 452.1 MB in the end (delta: -103.8 MB). Peak memory consumption was 315.7 MB. Max. memory is 5.3 GB. [2018-02-04 02:16:58,006 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 394.3 MB. Free memory is still 357.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 02:16:58,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.55 ms. Allocated memory is still 394.3 MB. Free memory was 348.3 MB in the beginning and 337.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 02:16:58,006 INFO L168 Benchmark]: Boogie Preprocessor took 32.31 ms. Allocated memory is still 394.3 MB. Free memory was 337.7 MB in the beginning and 335.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 02:16:58,006 INFO L168 Benchmark]: RCFGBuilder took 433.12 ms. Allocated memory is still 394.3 MB. Free memory was 335.1 MB in the beginning and 297.9 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 5.3 GB. [2018-02-04 02:16:58,007 INFO L168 Benchmark]: TraceAbstraction took 180894.29 ms. Allocated memory was 394.3 MB in the beginning and 813.7 MB in the end (delta: 419.4 MB). Free memory was 296.6 MB in the beginning and 452.1 MB in the end (delta: -155.5 MB). Peak memory consumption was 264.0 MB. Max. memory is 5.3 GB. [2018-02-04 02:16:58,008 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 394.3 MB. Free memory is still 357.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 163.55 ms. Allocated memory is still 394.3 MB. Free memory was 348.3 MB in the beginning and 337.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.31 ms. Allocated memory is still 394.3 MB. Free memory was 337.7 MB in the beginning and 335.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 433.12 ms. Allocated memory is still 394.3 MB. Free memory was 335.1 MB in the beginning and 297.9 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 180894.29 ms. Allocated memory was 394.3 MB in the beginning and 813.7 MB in the end (delta: 419.4 MB). Free memory was 296.6 MB in the beginning and 452.1 MB in the end (delta: -155.5 MB). Peak memory consumption was 264.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 679). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 656). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 683). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 654). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 655). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 664). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 660). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 673). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 657). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 637). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 652). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 677). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 646). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 640). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 661). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 683). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 653). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 667). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 660). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 684). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 656). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 670). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 667). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 640). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 679). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 662). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 640). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 646). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 662). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 657). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 660). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 654). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 665). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 684). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 677). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 664). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 653). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 656). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 637). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 680). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 670). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 654). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 655). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 660). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 656). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 641). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 628]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 628). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 680). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 640). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 654). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 641). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 661). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 673). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 652). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 665). Cancelled while BasicCegarLoop was constructing difference of abstraction (394states) and interpolant automaton (currently 9 states, 36 states before enhancement), while ReachableStatesComputation was computing reachable states (30 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 137 locations, 59 error locations. TIMEOUT Result, 180.8s OverallTime, 76 OverallIterations, 4 TraceHistogramMax, 121.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7250 SDtfs, 30586 SDslu, 69251 SDs, 0 SdLazy, 104146 SolverSat, 7104 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4110 GetRequests, 324 SyntacticMatches, 193 SemanticMatches, 3593 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62783 ImplicationChecksByTransitivity, 118.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=394occurred in iteration=75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 925/1667 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 75 MinimizatonAttempts, 3100 StatesRemovedByMinimization, 70 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 57.1s InterpolantComputationTime, 5044 NumberOfCodeBlocks, 5044 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 4968 ConstructedInterpolants, 0 QuantifiedInterpolants, 10121121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 76 InterpolantComputations, 21 PerfectInterpolantSequences, 925/1667 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0513_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_02-16-58-015.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0513_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_02-16-58-015.csv Completed graceful shutdown